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1. Hybrid immunity from severe acute respiratory syndrome coronavirus 2 infection and vaccination in Canadian adults: A cohort study

Author

Patrick E Brown, Sze Hang Fu, Leslie Newcombe, Xuyang Tang, Nico Nagelkerke, H Chaim Birnboim, Aiyush Bansal, Karen Colwill, Geneviève Mailhot, Melanie Delgado-Brand, Tulunay Tursun, Freda Qi, Anne-Claude Gingras, Arthur S Slutsky, Maria D Pasic, Jeffrey Companion, Isaac I Bogoch, Ed Morawski, Teresa Lam, Angus Reid, Prabhat Jha, and Ab-C Study Collaborators

Subjects
COVID-19, epidemiology, immunology, public health, infectious diseases, Medicine, Science, Biology (General), QH301-705.5
Abstract

Background: Few national-level studies have evaluated the impact of ‘hybrid’ immunity (vaccination coupled with recovery from infection) from the Omicron variants of the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). Methods: From May 2020 to December 2022, we conducted serial assessments (each of ~4000–9000 adults) examining SARS-CoV-2 antibodies within a mostly representative Canadian cohort drawn from a national online polling platform. Adults, most of whom were vaccinated, reported viral test-confirmed infections and mailed self-collected dried blood spots (DBSs) to a central lab. Samples underwent highly sensitive and specific antibody assays to spike and nucleocapsid protein antigens, the latter triggered only by infection. We estimated cumulative SARS-CoV-2 incidence prior to the Omicron period and during the BA.1/1.1 and BA.2/5 waves. We assessed changes in antibody levels and in age-specific active immunity levels. Results: Spike levels were higher in infected than in uninfected adults, regardless of vaccination doses. Among adults vaccinated at least thrice and infected more than 6 months earlier, spike levels fell notably and continuously for the 9-month post-vaccination. In contrast, among adults infected within 6 months, spike levels declined gradually. Declines were similar by sex, age group, and ethnicity. Recent vaccination attenuated declines in spike levels from older infections. In a convenience sample, spike antibody and cellular responses were correlated. Near the end of 2022, about 35% of adults above age 60 had their last vaccine dose more than 6 months ago, and about 25% remained uninfected. The cumulative incidence of SARS-CoV-2 infection rose from 13% (95% confidence interval 11–14%) before omicron to 78% (76–80%) by December 2022, equating to 25 million infected adults cumulatively. However, the coronavirus disease 2019 (COVID-19) weekly death rate during the BA.2/5 waves was less than half of that during the BA.1/1.1 wave, implying a protective role for hybrid immunity. Conclusions: Strategies to maintain population-level hybrid immunity require up-to-date vaccination coverage, including among those recovering from infection. Population-based, self-collected DBSs are a practicable biological surveillance platform. Funding: Funding was provided by the COVID-19 Immunity Task Force, Canadian Institutes of Health Research, Pfizer Global Medical Grants, and St. Michael’s Hospital Foundation. PJ and ACG are funded by the Canada Research Chairs Program.

Published
2024
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2. Consensus statements on the utility of defining ARDS and the utility of past and current definitions of ARDS—protocol for a Delphi study

Author

Arthur S Slutsky, Marcus J Schultz, Ary Serpa Neto, Lieuwe D Bos, Elisa Estenssoro, Frank MP van Haren, Prashant Nasa, and Patricia RM Rocco

Subjects
Medicine
Abstract

Introduction Acute respiratory distress syndrome (ARDS), marked by acute hypoxemia and bilateral pulmonary infiltrates, has been defined in multiple ways since its first description. This Delphi study aims to collect global opinions on the conceptual framework of ARDS, assess the usefulness of components within current and past definitions and investigate the role of subphenotyping. The varied expertise of the panel will provide valuable insights for refining future ARDS definitions and improving clinical management.Methods A diverse panel of 35–40 experts will be selected based on predefined criteria. Multiple choice questions (MCQs) or 7-point Likert-scale statements will be used in the iterative Delphi rounds to achieve consensus on key aspects related to the utility of definitions and subphenotyping. The Delphi rounds will be continued until a stable agreement or disagreement is achieved for all statements.Analysis Consensus will be considered as reached when a choice in MCQs or Likert-scale statement achieved ≥80% of votes for agreement or disagreement. The stability will be checked by non-parametric χ2 tests or Kruskal Wallis test starting from the second round of Delphi process. A p-value ≥0.05 will be used to define stability.Ethics and dissemination The study will be conducted in full concordance with the principles of the Declaration of Helsinki and will be reported according to CREDES guidance. This study has been granted an ethical approval waiver by the NMC Healthcare Regional Research Ethics Committee, Dubai (NMCHC/CR/DXB/REC/APP/002), owing to the nature of the research. Informed consent will be obtained from all panellists before the start of the Delphi process. The study will be published in a peer-review journal with the authorship agreed as per ICMJE requirements.Trial registration number NCT06159465.

Published
2024
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3. Clinical relevance of timing of assessment of ICU mortality in patients with moderate-to-severe Acute Respiratory Distress Syndrome

Author

Jesús Villar, Jesús M. González-Martin, José M. Añón, Carlos Ferrando, Juan A. Soler, Fernando Mosteiro, Juan M. Mora-Ordoñez, Alfonso Ambrós, Lorena Fernández, Raquel Montiel, Anxela Vidal, Tomás Muñoz, Lina Pérez-Méndez, Pedro Rodríguez-Suárez, Cristina Fernández, Rosa L. Fernández, Tamas Szakmany, Karen E. A. Burns, Ewout W. Steyerberg, and Arthur S. Slutsky

Subjects
Medicine, Science
Abstract

Abstract Mortality is a frequently reported outcome in clinical studies of acute respiratory distress syndrome (ARDS). However, timing of mortality assessment has not been well characterized. We aimed to identify a crossing-point between cumulative survival and death in the intensive care unit (ICU) of patients with moderate-to-severe ARDS, beyond which the number of survivors would exceed the number of deaths. We hypothesized that this intersection would occur earlier in a successful clinical trial vs. observational studies of moderate/severe ARDS and predict treatment response. We conducted an ancillary study of 1580 patients with moderate-to-severe ARDS managed with lung-protective ventilation to assess the relevance and timing of measuring ICU mortality rates at different time-points during ICU stay. First, we analyzed 1303 patients from four multicenter, observational cohorts enrolling consecutive patients with moderate/severe ARDS. We assessed cumulative ICU survival from the time of moderate/severe ARDS diagnosis to ventilatory support discontinuation within 7-days, 28-days, 60-days, and at ICU discharge. Then, we compared these findings to those of a successful randomized trial of 277 moderate/severe ARDS patients. In the observational cohorts, ICU mortality (487/1303, 37.4%) and 28-day mortality (425/1102, 38.6%) were similar (p = 0.549). Cumulative proportion of ICU survivors and non-survivors crossed at day-7; after day-7, the number of ICU survivors was progressively higher compared to non-survivors. Measures of oxygenation, lung mechanics, and severity scores were different between survivors and non-survivors at each point-in-time (p

Published
2023
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4. Inhalation of ACE2 as a therapeutic target on sex-bias differences in SARS-CoV-2 infection and variant of concern

Author

Yu Onodera, Jady Liang, Yuchong Li, Bryan Griffin, Thenuka Thanabalasingam, Cong Lu, JiaYi Zhu, Mingyao Liu, Theo Moraes, Wenhua Zheng, Jasmin Khateeb, Julie Khang, Yongbo Huang, Mirjana Jerkic, Masaki Nakane, Andrew Baker, Beverley Orser, Ya-Wen Chen, Gerald Wirnsberger, Josef M. Penninger, Ori D. Rotstein, Arthur S. Slutsky, Yimin Li, Samira Mubareka, and Haibo Zhang

Subjects
Biological sciences, Immune response, Virology, Biology of gender, Science
Abstract

Summary: Despite similar infection rates, COVID-19 has resulted in more deaths in men than women. To understand the underlying mechanisms behind this sex-biased difference in disease severity, we infected K18-human angiotensin converting enzyme 2 (ACE2) mice of both sexes with SARS-CoV-2. Our study revealed a unique protein expression profile in the lung microenvironment of female mice. As a result, they were less vulnerable to severe infection, with higher ACE2 expression and a higher estrogen receptor α (ERα)/androgen receptor (AR) ratio that led to increased antiviral factor levels. In male mice, inhaling recombinant ACE2 neutralized the virus and maintained the ERα/AR ratio, thereby protecting the lungs. Our findings suggest that inhaling recombinant ACE2 could serve as a decoy receptor against SARS-CoV-2 and protect male mice by offsetting ERα-associated protective mechanisms. Additionally, our study supports the potential effectiveness of recombinant ACE2 therapy in human lung organoids infected with the Delta variant.

Published
2023
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5. The Potential Protective Role of GS-441524, a Metabolite of the Prodrug Remdesivir, in Vaccine Breakthrough SARS-CoV-2 Infections

Author

JiaYi Zhu, Yuchong Li, Jady Liang, Samira Mubareka, Arthur S. Slutsky, and Haibo Zhang

Subjects
Delta variant, Omicron variant, Non-structural proteins, RNA-dependent RNA polymerase, Variants of concerns, Medical emergencies. Critical care. Intensive care. First aid, RC86-88.9, Medicine
Abstract

Abstract Cases of vaccine breakthrough, especially in variants of concern (VOCs) infections, are emerging in coronavirus disease (COVID-19). Due to mutations of structural proteins (SPs) (e.g., Spike proteins), increased transmissibility and risk of escaping from vaccine-induced immunity have been reported amongst the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). Remdesivir was the first to be granted emergency use authorization but showed little impact on survival in patients with severe COVID-19. Remdesivir is a prodrug of the nucleoside analogue GS-441524 which is converted into the active nucleotide triphosphate to disrupt viral genome of the conserved non-structural proteins (NSPs) and thus block viral replication. GS-441524 exerts a number of pharmacological advantages over Remdesivir: (1) it needs fewer conversions for bioactivation to nucleotide triphosphate; (2) it requires only nucleoside kinase, while Remdesivir requires several hepato-renal enzymes, for bioactivation; (3) it is a smaller molecule and has a potency for aerosol and oral administration; (4) it is less toxic allowing higher pulmonary concentrations; (5) it is easier to be synthesized. The current article will focus on the discussion of interactions between GS-441524 and NSPs of VOCs to suggest potential application of GS-441524 in breakthrough SARS-CoV-2 infections.

Published
2022
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6. Strategies for lung- and diaphragm-protective ventilation in acute hypoxemic respiratory failure: a physiological trial

Author

Jose Dianti, Samira Fard, Jenna Wong, Timothy C. Y. Chan, Lorenzo Del Sorbo, Eddy Fan, Marcelo B. Passos Amato, John Granton, Lisa Burry, W. Darlene Reid, Binghao Zhang, Damian Ratano, Shaf Keshavjee, Arthur S. Slutsky, Laurent J. Brochard, Niall D. Ferguson, and Ewan C. Goligher

Subjects
Hypoxemic respiratory failure, Lung-protective ventilation, Diaphragm-protective ventilation, Mechanical ventilation, Medical emergencies. Critical care. Intensive care. First aid, RC86-88.9
Abstract

Abstract Background Insufficient or excessive respiratory effort during acute hypoxemic respiratory failure (AHRF) increases the risk of lung and diaphragm injury. We sought to establish whether respiratory effort can be optimized to achieve lung- and diaphragm-protective (LDP) targets (esophageal pressure swing − 3 to − 8 cm H2O; dynamic transpulmonary driving pressure ≤ 15 cm H2O) during AHRF. Methods In patients with early AHRF, spontaneous breathing was initiated as soon as passive ventilation was not deemed mandatory. Inspiratory pressure, sedation, positive end-expiratory pressure (PEEP), and sweep gas flow (in patients receiving veno-venous extracorporeal membrane oxygenation (VV-ECMO)) were systematically titrated to achieve LDP targets. Additionally, partial neuromuscular blockade (pNMBA) was administered in patients with refractory excessive respiratory effort. Results Of 30 patients enrolled, most had severe AHRF; 16 required VV-ECMO. Respiratory effort was absent in all at enrolment. After initiating spontaneous breathing, most exhibited high respiratory effort and only 6/30 met LDP targets. After titrating ventilation, sedation, and sweep gas flow, LDP targets were achieved in 20/30. LDP targets were more likely to be achieved in patients on VV-ECMO (median OR 10, 95% CrI 2, 81) and at the PEEP level associated with improved dynamic compliance (median OR 33, 95% CrI 5, 898). Administration of pNMBA to patients with refractory excessive effort was well-tolerated and effectively achieved LDP targets. Conclusion Respiratory effort is frequently absent under deep sedation but becomes excessive when spontaneous breathing is permitted in patients with moderate or severe AHRF. Systematically titrating ventilation and sedation can optimize respiratory effort for lung and diaphragm protection in most patients. VV-ECMO can greatly facilitate the delivery of a LDP strategy. Trial registration: This trial was registered in Clinicaltrials.gov in August 2018 (NCT03612583).

Published
2022
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7. Computer clinical decision support that automates personalized clinical care: a challenging but needed healthcare delivery strategy.

Author

Alan H. Morris, Christopher Horvat, Brian Stagg, David W. Grainger, Michael Lanspa, James Orme, Terry P. Clemmer, Lindell K. Weaver, Frank Thomas, Colin K. Grissom, Ellie Hirshberg, Thomas D. East, Carrie Jane Wallace, Michael P. Young, Dean F. Sittig, Mary Suchyta, James E. Pearl, Antinio Pesenti, Michela Bombino, Eduardo Beck, Katherine A. Sward, Charlene R. Weir, Shobha Phansalkar, Gordon R. Bernard, B. Taylor Thompson, Roy Brower, Jonathon D. Truwit, Jay S. Steingrub, R. Duncan Hite, Douglas F. Willson, Jerry J. Zimmerman, Vinay Nadkarni, Adrienne G. Randolph, Martha A. Q. Curley, Christopher J. L. Newth, Jacques Lacroix, Michael S. D. Agus, Kang Hoe Lee, Bennett P. deBoisblanc, Frederick Alan Moore, R. Scott Evans, Dean K. Sorenson, Anthony Wong, Michael V. Boland, Willard H. Dere, Alan S. Crandall, Julio C. Facelli, Stanley M. Huff, Peter J. Haug, Ulrike Pielmeier, Stephen Edward Rees, Dan S. Karbing, Steen Andreassen, Eddy Fan, Roberta M. Goldring, Kenneth I Berger, Beno W. Oppenheimer, Eugene Wesley Ely, Brian W. Pickering, David A. Schoenfeld, Irena Tocino, Russell S. Gonnering, Peter J. Pronovost, Lucy A. Savitz, Didier Dreyfuss, Arthur S. Slutsky, James D. Crapo, Michael R. Pinsky, Brent James, and Donald M. Berwick

Published
2022
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8. The PANDORA Study: Prevalence and Outcome of Acute Hypoxemic Respiratory Failure in the Pre-COVID-19 Era

Author

Jesús Villar, MD, PhD, FCCM, Juan M. Mora-Ordoñez, MD, Juan A. Soler, MD, PhD, Fernando Mosteiro, MD, PhD, Anxela Vidal, MD, Alfonso Ambrós, MD, PhD, Lorena Fernández, MD, Isabel Murcia, MD, Belén Civantos, MD, Miguel A. Romera, MD, Adrián Mira, MD, Francisco J. Díaz-Domínguez, MD, Dácil Parrilla, MD, J. Francisco Martínez-Carmona, MD, Domingo Martínez, MD, Lidia Pita-García, MD, Denis Robaglia, MD, Ana Bueno-González, MD, Jesús Sánchez-Ballesteros, MD, Ángel E. Pereyra, MD, Mónica Hernández, MD, Carlos Chamorro-Jambrina, MD, Pilar Cobeta, MD, Raúl I. González-Luengo, MD, Raquel Montiel, MD, Leonor Nogales, MD, M. Mar Fernández, MD, PhD, Blanca Arocas, MD, Álvaro Valverde-Montoro, MD, Ana M. del Saz-Ortiz, MD, Victoria Olea-Jiménez, MD, José M. Añón, MD, PhD, Pedro Rodríguez-Suárez, MD, Rosa L. Fernández, MSc, Cristina Fernández, MSc, Tamas Szakmany, MD, PhD, Jesús M. González-Martín, PhD, Carlos Ferrando, MD, PhD, Robert M. Kacmarek, PhD, RTT, Arthur S. Slutsky, MD, for the Prevalence AND Outcome of acute hypoxemic Respiratory fAilure (PANDORA) Network, José M. Añón, Belén Civantos, Mónica Hernández, Elena González, Rosario Solano, F. Javier Díaz-Domínguez, Demetrio Carriedo, Raul I. González Luengo, Carlos Ferrando, Blanca Arocas, Javier Belda, Marina Soro, Gerardo Aguilar, Ernesto Pastor, Lorena Fernández, Jesús Sánchez-Ballesteros, Arturo Muriel, Pablo Blanco-Schweizer, José Ángel de Ayala, Jesús Blanco, César Aldecoa, Alba Pérez, Jesús Rico-Feijoo, Leonor Nogales, David Andaluz, Laura Parra, Juan A. Soler, Domingo Martínez, Ana M. del Saz-Ortiz, Alfonso Ambrós, Ana Bueno-González, Carmen Hornos-López, Raquel Montiel, Dácil Parrilla, Eduardo Peinado, Isidro Prieto, Mario Chico, Miguel A. Romera, Carlos Chamorro-Jambrina, Juan M. Mora-Ordoñez, J. Francisco Martínez-Carmona, Álvaro Valverde-Montoro, Victoria Olea-Jiménez, Paco Alba, Ruth Corpas, Fernando Mosteiro, Lidia Pita-García, Eleuterio Merayo, Chanel Martínez, Ángeles de Célis-Álvarez, Carmen Martín-Delgado, Adrián Mira, Pilar Cobeta, David Pestaña, María del Mar Fernández, Concepción Tarancón, Silvia Cortés-Díaz, Anxela Vidal, Denis Robaglia, César Pérez, Isabel Murcia, Ángel E. Pereyra-Pache, Tamas Szakmany, Jesús Villar, Rosa L. Fernández, Cristina Fernández, Pedro Rodríguez-Pérez, Jesús M. González-Martín, Robert M. Kacmarek, and Arthur S. Slutsky

Subjects
Medical emergencies. Critical care. Intensive care. First aid, RC86-88.9
Abstract

OBJECTIVES:. To establish the epidemiological characteristics, ventilator management, and outcomes in patients with acute hypoxemic respiratory failure (AHRF), with or without acute respiratory distress syndrome (ARDS), in the era of lung-protective mechanical ventilation (MV). DESIGN:. A 6-month prospective, epidemiological, observational study. SETTING:. A network of 22 multidisciplinary ICUs in Spain. PATIENTS:. Consecutive mechanically ventilated patients with AHRF (defined as Pao2/Fio2 ≤ 300 mm Hg on positive end-expiratory pressure [PEEP] ≥ 5 cm H2O and Fio2 ≥ 0.3) and followed-up until hospital discharge. INTERVENTIONS:. None. MEASUREMENTS AND MAIN RESULTS:. Primary outcomes were prevalence of AHRF and ICU mortality. Secondary outcomes included prevalence of ARDS, ventilatory management, and use of adjunctive therapies. During the study period, 9,803 patients were admitted: 4,456 (45.5%) received MV, 1,271 (13%) met AHRF criteria (1,241 were included into the study: 333 [26.8%] met Berlin ARDS criteria and 908 [73.2%] did not). At baseline, tidal volume was 6.9 ± 1.1 mL/kg predicted body weight, PEEP 8.4 ± 3.1 cm H2O, Fio2 0.63 ± 0.22, and plateau pressure 21.5 ± 5.4 cm H2O. ARDS patients received higher Fio2 and PEEP than non-ARDS (0.75 ± 0.22 vs 0.59 ± 0.20 cm H2O and 10.3 ± 3.4 vs 7.7 ± 2.6 cm H2O, respectively [p < 0.0001]). Adjunctive therapies were rarely used in non-ARDS patients. Patients without ARDS had higher ventilator-free days than ARDS (12.2 ± 11.6 vs 9.3 ± 9.7 d; p < 0.001). All-cause ICU mortality was similar in AHRF with or without ARDS (34.8% [95% CI, 29.7–40.2] vs 35.5% [95% CI, 32.3–38.7]; p = 0.837). CONCLUSIONS:. AHRF without ARDS is a very common syndrome in the ICU with a high mortality that requires specific studies into its epidemiology and ventilatory management. We found that the prevalence of ARDS was much lower than reported in recent observational studies.

Published
2022
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10. Biotrauma during ultra-low tidal volume ventilation and venoarterial extracorporeal membrane oxygenation in cardiogenic shock: a randomized crossover clinical trial

Author

Laura Amado-Rodríguez, Cecilia Del Busto, Inés López-Alonso, Diego Parra, Juan Mayordomo-Colunga, Miguel Arias-Guillén, Rodrigo Albillos-Almaraz, Paula Martín-Vicente, Cecilia López-Martínez, Covadonga Huidobro, Luigi Camporota, Arthur S. Slutsky, and Guillermo M. Albaiceta

Subjects
Extracorporeal membrane oxygenation, Ventilator-induced lung injury, Mechanical ventilation, Pulmonary oedema, Respiratory mechanics, Medical emergencies. Critical care. Intensive care. First aid, RC86-88.9
Abstract

Abstract Background Cardiogenic pulmonary oedema (CPE) may contribute to ventilator-associated lung injury (VALI) in patients with cardiogenic shock. The appropriate ventilatory strategy remains unclear. We aimed to evaluate the impact of ultra-low tidal volume ventilation with tidal volume of 3 ml/kg predicted body weight (PBW) in patients with CPE and veno–arterial extracorporeal membrane oxygenation (V–A ECMO) on lung inflammation compared to conventional ventilation. Methods A single-centre randomized crossover trial was performed in the Cardiac Intensive Care Unit (ICU) at a tertiary university hospital. Seventeen adults requiring V–A ECMO and mechanical ventilation due to cardiogenic shock were included from February 2017 to December 2018. Patients were ventilated for two consecutive periods of 24 h with tidal volumes of 6 and 3 ml/kg of PBW, respectively, applied in random order. Primary outcome was the change in proinflammatory mediators in bronchoalveolar lavage fluid (BALF) between both ventilatory strategies. Results Ventilation with 3 ml/kg PBW yielded lower driving pressures and end-expiratory lung volumes. Overall, there were no differences in BALF cytokines. Post hoc analyses revealed that patients with high baseline levels of IL-6 showed statistically significant lower levels of IL-6 and IL-8 during ultra-low tidal volume ventilation. This reduction was significantly proportional to the decrease in driving pressure. In contrast, those with lower IL-6 baseline levels showed a significant increase in these biomarkers. Conclusions Ultra-low tidal volume ventilation in patients with CPE and V–A ECMO may attenuate inflammation in selected cases. VALI may be driven by an interaction between the individual proinflammatory profile and the mechanical load overimposed by the ventilator. Trial registration The trial was registered in ClinicalTrials.gov (identifier NCT03041428, Registration date: 2nd February 2017).

Published
2021
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11. Enabling a learning healthcare system with automated computer protocols that produce replicable and personalized clinician actions.

Author

Alan H. Morris, Brian Stagg, Michael Lanspa, James Orme, Terry P. Clemmer, Lindell K. Weaver, Frank Thomas, Colin K. Grissom, Ellie Hirshberg, Thomas D. East, Carrie Jane Wallace, Michael P. Young, Dean F. Sittig, Antonio Pesenti, Michela Bombino, Eduardo Beck, Katherine A. Sward, Charlene R. Weir, Shobha S. Phansalkar, Gordon R. Bernard, B. Taylor Thompson, Roy Brower, Jonathon D. Truwit, Jay S. Steingrub, R. Duncan Hite, Douglas F. Willson, Jerry J. Zimmerman, Vinay M. Nadkarni, Adrienne Randolph, Martha A. Q. Curley, Christopher J. L. Newth, Jacques Lacroix, Michael S. D. Agus, Kang H. Lee, Bennett P. deBoisblanc, R. Scott Evans, Dean K. Sorenson, Anthony Wong, Michael V. Boland, David W. Grainger, Willard H. Dere, Alan S. Crandall, Julio C. Facelli, Stanley M. Huff, Peter J. Haug, Ulrike Pielmeier, Stephen Edward Rees, Dan S. Karbing, Steen Andreassen, Eddy Fan, Roberta M. Goldring, Kenneth I. Berger, Beno W. Oppenheimer, Eugene Wesley Ely, Ognjen Gajic, Brian W. Pickering, David A. Schoenfeld, Irena Tocino, Russell S. Gonnering, Peter J. Pronovost, Lucy A. Savitz, Didier Dreyfuss, Arthur S. Slutsky, James D. Crapo, Derek C. Angus, Michael R. Pinsky, Brent James, and Donald M. Berwick

Published
2021
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12. Lung-Protective Ventilation Attenuates Mechanical Injury While Hypercapnia Attenuates Biological Injury in a Rat Model of Ventilator-Associated Lung Injury

Author

Nada Ismaiel, Sara Whynot, Laurette Geldenhuys, Zhaolin Xu, Arthur S. Slutsky, Valerie Chappe, and Dietrich Henzler

Subjects
lung-protective mechanical ventilation, hypercapnia, ventilator associated lung injury, acute lung injury, mechanical ventilalion, Physiology, QP1-981
Abstract

Background and Objective: Lung-protective mechanical ventilation is known to attenuate ventilator-associated lung injury (VALI), but often at the expense of hypoventilation and hypercapnia. It remains unclear whether the main mechanism by which VALI is attenuated is a product of limiting mechanical forces to the lung during ventilation, or a direct biological effect of hypercapnia.Methods: Acute lung injury (ALI) was induced in 60 anesthetized rats by the instillation of 1.25 M HCl into the lungs via tracheostomy. Ten rats each were randomly assigned to one of six experimental groups and ventilated for 4 h with: 1) Conventional HighVENormocapnia (high VT, high minute ventilation, normocapnia), 2) Conventional Normocapnia (high VT, normocapnia), 3) Protective Normocapnia (VT 8 ml/kg, high RR), 4) Conventional iCO2Hypercapnia (high VT, low RR, inhaled CO2), 5) Protective iCO2Hypercapnia (VT 8 ml/kg, high RR, added CO2), 6) Protective endogenous Hypercapnia (VT 8 ml/kg, low RR). Blood gasses, broncho-alveolar lavage fluid (BALF), and tissue specimens were collected and analyzed for histologic and biologic lung injury assessment.Results: Mild ALI was achieved in all groups characterized by a decreased mean PaO2/FiO2 ratio from 428 to 242 mmHg (p < 0.05), and an increased mean elastance from 2.46 to 4.32 cmH2O/L (p < 0.0001). There were no differences in gas exchange among groups. Wet-to-dry ratios and formation of hyaline membranes were significantly lower in low VT groups compared to conventional tidal volumes. Hypercapnia reduced diffuse alveolar damage and IL-6 levels in the BALF, which was also true when CO2 was added to conventional VT. In low VT groups, hypercapnia did not induce any further protective effect except increasing pulmonary IL-10 in the BALF. No differences in lung injury were observed when hypercapnia was induced by adding CO2 or decreasing minute ventilation, although permissive hypercapnia decreased the pH significantly and decreased liver histologic injury.Conclusion: Our findings suggest that low tidal volume ventilation likely attenuates VALI by limiting mechanical damage to the lung, while hypercapnia attenuates VALI by limiting pro-inflammatory and biochemical mechanisms of injury. When combined, both lung-protective ventilation and hypercapnia have the potential to exert an synergistic effect for the prevention of VALI.

Published
2022
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13. Efficacy of dexamethasone treatment for patients with the acute respiratory distress syndrome caused by COVID-19: study protocol for a randomized controlled superiority trial

Author

Jesús Villar, José M. Añón, Carlos Ferrando, Gerardo Aguilar, Tomás Muñoz, José Ferreres, Alfonso Ambrós, César Aldecoa, Fernando Suárez-Sipmann, Kevin E. Thorpe, Peter Jüni, Arthur S. Slutsky, and the DEXA-COVID19 Network

Subjects
Acute respiratory distress syndrome, Coronavirus disease 19, COVID-19, Dexamethasone, Corticosteroids, Lung protective ventilation, Medicine (General), R5-920
Abstract

Abstract Background There are no specific generally accepted therapies for the coronavirus disease 2019 (COVID-19). The full spectrum of COVID-19 ranges from asymptomatic disease to mild respiratory tract illness to severe pneumonia, acute respiratory distress syndrome (ARDS), multisystem organ failure, and death. The efficacy of corticosteroids in viral ARDS remains unknown. We postulated that adjunctive treatment of established ARDS caused by COVID-19 with intravenous dexamethasone might change the pulmonary and systemic inflammatory response and thereby reduce morbidity, leading to a decrease in duration of mechanical ventilation and in mortality. Methods/design This is a multicenter, randomized, controlled, parallel, open-label, superiority trial testing dexamethasone in 200 mechanically ventilated adult patients with established moderate-to-severe ARDS caused by confirmed SARS-CoV-2 infection. Established ARDS is defined as maintaining a PaO2/FiO2 ≤ 200 mmHg on PEEP ≥ 10 cmH2O and FiO2 ≥ 0.5 after 12 ± 3 h of routine intensive care. Eligible patients will be randomly assigned to receive either dexamethasone plus standard intensive care or standard intensive care alone. Patients in the dexamethasone group will receive an intravenous dose of 20 mg once daily from day 1 to day 5, followed by 10 mg once daily from day 6 to day 10. The primary outcome is 60-day mortality. The secondary outcome is the number of ventilator-free days, defined as days alive and free from mechanical ventilation at day 28 after randomization. All analyses will be done according to the intention-to-treat principle. Discussion This study will assess the role of dexamethasone in patients with established moderate-to-severe ARDS caused by SARS-CoV-2. Trial registration ClinicalTrials.gov NCT04325061 . Registered on 25 March 2020 as DEXA-COVID19.

Published
2020
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14. Molecular mechanisms of sex bias differences in COVID-19 mortality

Author

Yuchong Li, Mirjana Jerkic, Arthur S. Slutsky, and Haibo Zhang

Subjects
SARS-CoV-2, Hormone, Chromosome, Estrogen, Androgen, Immune response, Medical emergencies. Critical care. Intensive care. First aid, RC86-88.9
Abstract

Abstract More men than women have died from COVID-19. Genes encoded on X chromosomes, and sex hormones may explain the decreased fatality of COVID-19 in women. The angiotensin-converting enzyme 2 gene is located on X chromosomes. Men, with a single X chromosome, may lack the alternative mechanism for cellular protection after exposure to SARS-CoV-2. Some Toll-like receptors encoded on the X chromosomes can sense SARS-CoV-2 nucleic acids, leading to a stronger innate immunity response in women. Both estrogen and estrogen receptor-α contribute to T cell activation. Interventional approaches including estrogen-related compounds and androgen receptor antagonists may be considered in patients with COVID-19.

Published
2020
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15. A novel non-invasive method to detect excessively high respiratory effort and dynamic transpulmonary driving pressure during mechanical ventilation

Author

Michele Bertoni, Irene Telias, Martin Urner, Michael Long, Lorenzo Del Sorbo, Eddy Fan, Christer Sinderby, Jennifer Beck, Ling Liu, Haibo Qiu, Jenna Wong, Arthur S. Slutsky, Niall D. Ferguson, Laurent J. Brochard, and Ewan C. Goligher

Subjects
Mechanical ventilation, Artificial respiration, Acute lung injury, Myotrauma, Respiratory monitoring, Medical emergencies. Critical care. Intensive care. First aid, RC86-88.9
Abstract

Abstract Background Excessive respiratory muscle effort during mechanical ventilation may cause patient self-inflicted lung injury and load-induced diaphragm myotrauma, but there are no non-invasive methods to reliably detect elevated transpulmonary driving pressure and elevated respiratory muscle effort during assisted ventilation. We hypothesized that the swing in airway pressure generated by respiratory muscle effort under assisted ventilation when the airway is briefly occluded (ΔP occ) could be used as a highly feasible non-invasive technique to screen for these conditions. Methods Respiratory muscle pressure (P mus), dynamic transpulmonary driving pressure (ΔP L,dyn, the difference between peak and end-expiratory transpulmonary pressure), and ΔP occ were measured daily in mechanically ventilated patients in two ICUs in Toronto, Canada. A conversion factor to predict ΔP L,dyn and P mus from ΔP occ was derived and validated using cross-validation. External validity was assessed in an independent cohort (Nanjing, China). Results Fifty-two daily recordings were collected in 16 patients. In this sample, P mus and ΔP L were frequently excessively high: P mus exceeded 10 cm H2O on 84% of study days and ΔP L,dyn exceeded 15 cm H2O on 53% of study days. ΔP occ measurements accurately detected P mus > 10 cm H2O (AUROC 0.92, 95% CI 0.83–0.97) and ΔP L,dyn > 15 cm H2O (AUROC 0.93, 95% CI 0.86–0.99). In the external validation cohort (n = 12), estimating P mus and ΔP L,dyn from ΔP occ measurements detected excessively high P mus and ΔP L,dyn with similar accuracy (AUROC ≥ 0.94). Conclusions Measuring ΔP occ enables accurate non-invasive detection of elevated respiratory muscle pressure and transpulmonary driving pressure. Excessive respiratory effort and transpulmonary driving pressure may be frequent in spontaneously breathing ventilated patients.

Published
2019
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16. Increased effort during partial ventilatory support is not associated with lung damage in experimental acute lung injury

Author

Dietrich Henzler, Alf Schmidt, Zhaolin Xu, Nada Ismaiel, Haibo Zhang, Arthur S. Slutsky, and Paolo Pelosi

Subjects
Acute lung injury, ALI, Acute respiratory distress syndrome, ARDS, Ventilator-associated lung injury, VALI, Medical emergencies. Critical care. Intensive care. First aid, RC86-88.9
Abstract

Abstract Background An on-going debate exists as to whether partial ventilatory support is lung protective in an acute phase of ARDS. So far, the effects of different respiratory efforts on the development of ventilator-associated lung injury (VALI) have been poorly understood. To test the hypothesis whether respiratory effort itself promotes VALI, acute lung injury (ALI) was induced in 48 Sprague Dawley rats by hydrochloric acid aspiration model. Hemodynamics, gas-exchange, and respiratory mechanics were measured after 4 h of ventilation in pressure control (PC), assist-control (AC), or pressure support with 100% (PS100), 60% (PS60), or 20% (PS20) of the driving pressure during PC. VALI was assessed by histological analysis and biological markers. Results ALI was characterized by a decrease in PaO2/FiO2 from 447 ± 75 to 235 ± 90 mmHg (p

Published
2019
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17. Respiratory Subsets in Patients with Moderate to Severe Acute Respiratory Distress Syndrome for Early Prediction of Death

Author

Jesús Villar, Cristina Fernández, Jesús M. González-Martín, Carlos Ferrando, José M. Añón, Ana M. del Saz-Ortíz, Ana Díaz-Lamas, Ana Bueno-González, Lorena Fernández, Ana M. Domínguez-Berrot, Eduardo Peinado, David Andaluz-Ojeda, Elena González-Higueras, Anxela Vidal, M. Mar Fernández, Juan M. Mora-Ordoñez, Isabel Murcia, Concepción Tarancón, Eleuterio Merayo, Alba Pérez, Miguel A. Romera, Francisco Alba, David Pestaña, Pedro Rodríguez-Suárez, Rosa L. Fernández, Ewout W. Steyerberg, Lorenzo Berra, Arthur S. Slutsky, and The Spanish Initiative for Epidemiology, Stratification and Therapies of ARDS (SIESTA) Network

Subjects
lung-protective ventilation, mortality, stratification, ARDS criteria, prediction, outcome, Medicine
Abstract

Introduction: In patients with acute respiratory distress syndrome (ARDS), the PaO2/FiO2 ratio at the time of ARDS diagnosis is weakly associated with mortality. We hypothesized that setting a PaO2/FiO2 threshold in 150 mm Hg at 24 h from moderate/severe ARDS diagnosis would improve predictions of death in the intensive care unit (ICU). Methods: We conducted an ancillary study in 1303 patients with moderate to severe ARDS managed with lung-protective ventilation enrolled consecutively in four prospective multicenter cohorts in a network of ICUs. The first three cohorts were pooled (n = 1000) as a testing cohort; the fourth cohort (n = 303) served as a confirmatory cohort. Based on the thresholds for PaO2/FiO2 (150 mm Hg) and positive end-expiratory pressure (PEEP) (10 cm H2O), the patients were classified into four possible subsets at baseline and at 24 h using a standardized PEEP-FiO2 approach: (I) PaO2/FiO2 ≥ 150 at PEEP < 10, (II) PaO2/FiO2 ≥ 150 at PEEP ≥ 10, (III) PaO2/FiO2 < 150 at PEEP < 10, and (IV) PaO2/FiO2 < 150 at PEEP ≥ 10. Primary outcome was death in the ICU. Results: ICU mortalities were similar in the testing and confirmatory cohorts (375/1000, 37.5% vs. 112/303, 37.0%, respectively). At baseline, most patients from the testing cohort (n = 792/1000, 79.2%) had a PaO2/FiO2 < 150, with similar mortality among the four subsets (p = 0.23). When assessed at 24 h, ICU mortality increased with an advance in the subset: 17.9%, 22.8%, 40.0%, and 49.3% (p < 0.0001). The findings were replicated in the confirmatory cohort (p < 0.0001). However, independent of the PEEP levels, patients with PaO2/FiO2 < 150 at 24 h followed a distinct 30-day ICU survival compared with patients with PaO2/FiO2 ≥ 150 (hazard ratio 2.8, 95% CI 2.2–3.5, p < 0.0001). Conclusions: Subsets based on PaO2/FiO2 thresholds of 150 mm Hg assessed after 24 h of moderate/severe ARDS diagnosis are clinically relevant for establishing prognosis, and are helpful for selecting adjunctive therapies for hypoxemia and for enrolling patients into therapeutic trials.

Published
2022
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18. Corticosteroid therapy for critically ill patients with COVID-19: A structured summary of a study protocol for a prospective meta-analysis of randomized trials

Author

Jonathan A. C. Sterne, Janet Diaz, Jesús Villar, Srinivas Murthy, Arthur S. Slutsky, Anders Perner, Peter Jüni, Derek C. Angus, Djillali Annane, Luciano Cesar Pontes Azevedo, Bin Du, Pierre-Francois Dequin, Anthony C. Gordon, Cameron Green, Julian P. T. Higgins, Peter Horby, Martin J. Landray, Giuseppe Lapadula, Amelie Le Gouge, Marie Leclerc, Jelena Savović, Bruno Tomazini, Balasubramanian Venkatesh, Steve Webb, John C. Marshall, and for the WHO COVID-19 Clinical Management and Characterization Working Group

Subjects
COVID-19, Randomised controlled trial, Systematic Review, Corticosteroid, Dexamethasone, Hydrocortisone, Medicine (General), R5-920
Abstract

Abstract Objectives Primary objective: To estimate the effect of corticosteroids compared with usual care or placebo on mortality up to 28 days after randomization. Secondary objectives: To examine whether the effect of corticosteroids compared with usual care or placebo on mortality up to 28 days after randomization varies between subgroups related to treatment characteristics, disease severity at the time of randomization, patient characteristics, or risk of bias. To examine the effect of corticosteroids compared with usual care or placebo on serious adverse events. Study design Prospective meta-analysis of randomized controlled trials. Both placebo-controlled and open-label trials are eligible. Participants Hospitalised, critically ill patients with suspected or confirmed COVID-19. Intervention and comparator Intervention groups will have received therapeutic doses of a steroid (dexamethasone, hydrocortisone or methylprednisolone) with IV or oral administration immediately after randomization. The comparator groups will have received standard of care or usual care or placebo. Main outcome All-cause mortality up to 28 days after randomization. Search methods Systematic searching of clinicaltrials.gov , EudraCT, the WHO ISRCTN registry, and the Chinese clinical trials registry. Additionally, research and WHO networks will be asked for relevant trials. Risk of bias assessments These will be based on the Cochrane RoB 2 tool, and will use structured information provided by the trial investigators on a form designed for this prospective meta-analysis. Summary of findings We will use GRADE to assess the certainty of the evidence. Statistical analyses Trial investigators will provide data on the numbers of participants who did and did not experience each outcome according to intervention group, overall and in specified subgroups. We will conduct fixed-effect (primary analysis) and random-effects (Paule-Mandel estimate of heterogeneity and Hartung-Knapp adjustment) meta-analyses. We will quantify inconsistency in effects between trials using I2 statistics. Evidence for subgroup effects will be quantified by ratios of odds ratios comparing effects in the subgroups, and corresponding interaction p-values. Comparisons between subgroups defined by trial characteristics will be made using random-effects meta-regression. Comparisons between subgroups defined by patient characteristics will be made by estimating trial-specific ratios of odds ratios comparing intervention effects between subgroups then combining these using random-effects meta-analysis. Steroid interventions will be classified as high or low dose according to whether the dose is greater or less than or equal to 400 mg hydrocortisone per day or equivalent. We will use network meta-analysis methods to make comparisons between the effects of high and low dose steroid interventions (because one trial randomized participants to both low and high dose steroid arms). PROSPERO registration number CRD42020197242 Full protocol The full protocol for this prospective meta-analysis is attached as an additional file, accessible from the Trials website (Additional file 1). To expedite dissemination of this material, the familiar formatting has been eliminated; this Letter serves as a summary of the key elements of the full protocol for the systematic review.

Published
2020
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19. First tidal volume greater than 8 mL/kg is associated with increased mortality in complicated influenza infection with acute respiratory distress syndrome

Author

Ming-Cheng Chan, Wen-Cheng Chao, Shinn-Jye Liang, Chien-Hua Tseng, Hao-Chien Wang, Ying-Chun Chien, Kuang-Yao Yang, Wei-Chih Chen, Wann-Cherng Perng, Kuo-Chin Kao, Han-Chung Hu, Chau-Chyun Sheu, Wei-An Chang, Wen-Feng Fang, Yu-Mu Chen, Arthur S. Slutsky, and Chieh-Liang Wu

Subjects
Medicine (General), R5-920
Abstract

Backgrounds: Severe influenza infection causes substantial morbidity and mortality worldwide and remains an important threat to global health. This study addressed factors related to treatment outcomes in subjects of complicated influenza infection with acute respiratory distress syndrome (ARDS) during the Taiwan epidemic in the Spring of 2016. Methods: This is a retrospective study conducted by Taiwan Severe Influenza Research Consortium (TSIRC), including eight tertiary referral medical centers. Patients with virology-proven influenza infection admitted to intensive care unit (ICU) between January and March 2016 were included for analysis. Results: We identified 263 patients with complicated influenza infection who fulfilled ARDS criteria; the mean age was 59.8 ± 14.6 (years), and 66.1% (166/263) were male. Type A influenza (77.9%, 205/263) virus was the main pathogen during this epidemic. The 30-day mortality rate was 23.2% (61/263). The mean tidal volume (VT) in the first three days after intubation was greater than 8 mL/kg of predicted body weight (PBW). Patients whose first measured VT was >8 mL/kg PBW had an increased 30-day mortality (p = 0.04, log-rank test). In a multivariate Cox proportional hazard regression model, an increase of 1 mL/kg PBW of first VT was associated with 26.1% increase in 30-day mortality (adjusted hazard ratio 1.261, 95% confidence interval [CI] 1.072–1.484, p

Published
2019
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21. The plasma peptides of ovarian cancer

Author

Jaimie Dufresne, Pete Bowden, Thanusi Thavarajah, Angelique Florentinus-Mefailoski, Zhuo Zhen Chen, Monika Tucholska, Tenzin Norzin, Margaret Truc Ho, Morla Phan, Nargiz Mohamed, Amir Ravandi, Eric Stanton, Arthur S. Slutsky, Claudia C. dos Santos, Alexander Romaschin, John C. Marshall, Christina Addison, Shawn Malone, Daren Heyland, Philip Scheltens, Joep Killestein, Charlotte E. Teunissen, Eleftherios P. Diamandis, K. W. Michael Siu, and John G. Marshall

Subjects
Human EDTA plasma, Organic extraction, Nano chromatography, Electrospray ionization tandem mass spectrometry, LC–ESI–MS/MS, Linear quadrupole ion trap, Medicine
Abstract

Abstract Background It may be possible to discover new diagnostic or therapeutic peptides or proteins from blood plasma by using liquid chromatography and tandem mass spectrometry to identify, quantify and compare the peptides cleaved ex vivo from different clinical populations. The endogenous tryptic peptides of ovarian cancer plasma were compared to breast cancer and female cancer normal controls, other diseases with their matched or normal controls, plus ice cold plasma to control for pre-analytical variation. Methods The endogenous tryptic peptides or tryptic phospho peptides (i.e. without exogenous digestion) were analyzed from 200 μl of EDTA plasma. The plasma peptides were extracted by a step gradient of organic/water with differential centrifugation, dried, and collected over C18 for analytical HPLC nano electrospray ionization and tandem mass spectrometry (LC–ESI–MS/MS) with a linear quadrupole ion trap. The endogenous peptides of ovarian cancer were compared to multiple disease and normal samples from different institutions alongside ice cold controls. Peptides were randomly and independently sampled by LC–ESI–MS/MS. Precursor ions from peptides > E4 counts were identified by the SEQUEST and X!TANDEM algorithms, filtered in SQL Server, before testing of frequency counts by Chi Square (χ2), for analysis with the STRING algorithm, and comparison of precursor intensity by ANOVA in the R statistical system with the Tukey-Kramer Honestly Significant Difference (HSD) test. Results Peptides and/or phosphopeptides of common plasma proteins such as HPR, HP, HPX, and SERPINA1 showed increased observation frequency and/or precursor intensity in ovarian cancer. Many cellular proteins showed large changes in frequency by Chi Square (χ2 > 60, p

Published
2018
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22. The plasma peptidome

Author

Jaimie Dufresne, Pete Bowden, Thanusi Thavarajah, Angelique Florentinus-Mefailoski, Zhuo Zhen Chen, Monika Tucholska, Tenzin Norzin, Margaret Truc Ho, Morla Phan, Nargiz Mohamed, Amir Ravandi, Eric Stanton, Arthur S. Slutsky, Claudia C. dos Santos, Alexander Romaschin, John C. Marshall, Christina Addison, Shawn Malone, Daren Heyland, Philip Scheltens, Joep Killestein, Charlotte Teunissen, Eleftherios P. Diamandis, K. W. M. Siu, and John G. Marshall

Subjects
Endogenous tryptic peptides phospho peptides, Human EDTA plasma, Organic extraction, Nano chromatography, Electrospray ionization tandem mass spectrometry, LC–ESI–MS/MS, Medicine
Abstract

Abstract Background It may be possible to discover new diagnostic or therapeutic peptides or proteins from blood plasma using LC–ESI–MS/MS to identify, quantify and compare the statistical distributions of peptides cleaved ex vivo from plasma samples from different clinical populations. Methods A systematic method for the organic fractionation of plasma peptides was applied to identify and quantify the endogenous tryptic peptides from human plasma from multiple institutions by C18 HPLC followed nano electrospray ionization and tandem mass spectrometry (LC–ESI–MS/MS) with a linear quadrupole ion trap. The endogenous tryptic peptides, or tryptic phospho peptides (i.e. without exogenous digestion), were extracted in a mixture of organic solvent and water, dried and collected by preparative C18. The tryptic peptides from 6 institutions with 12 different disease and normal EDTA plasma populations, alongside ice cold controls for pre-analytical variation, were characterized by mass spectrometry. Each patient plasma was precipitated in 90% acetonitrile and the endogenous tryptic peptides extracted by a stepwise gradient of increasing water and then formic acid resulting in 10 sub-fractions. The fractionated peptides were manually collected over preparative C18 and injected for 1508 LC–ESI–MS/MS experiments analyzed in SQL Server R. Results Peptides that were cleaved in human plasma by a tryptic activity ex vivo provided convenient and sensitive access to most human proteins in plasma that show differences in the frequency or intensity of proteins observed across populations that may have clinical significance. Combination of step wise organic extraction of 200 μL of plasma with nano electrospray resulted in the confident identification and quantification ~ 14,000 gene symbols by X!TANDEM that is the largest number of blood proteins identified to date and shows that you can monitor the ex vivo proteolysis of most human proteins, including interleukins, from blood. A total of 15,968,550 MS/MS spectra ≥ E4 intensity counts were correlated by the SEQUEST and X!TANDEM algorithms to a federated library of 157,478 protein sequences that were filtered for best charge state (2+ or 3+) and peptide sequence in SQL Server resulting in 1,916,672 distinct best-fit peptide correlations for analysis with the R statistical system. SEQUEST identified some 140,054 protein accessions, or some ~ 26,000 gene symbols, proteins or loci, with at least 5 independent correlations. The X!TANDEM algorithm made at least 5 best fit correlations to more than 14,000 protein gene symbols with p-values and FDR corrected q-values of ~ 0.001 or less. Log10 peptide intensity values showed a Gaussian distribution from E8 to E4 arbitrary counts by quantile plot, and significant variation in average precursor intensity across the disease and controls treatments by ANOVA with means compared by the Tukey–Kramer test. STRING analysis of the top 2000 gene symbols showed a tight association of cellular proteins that were apparently present in the plasma as protein complexes with related cellular components, molecular functions and biological processes. Conclusions The random and independent sampling of pre-fractionated blood peptides by LC-ESI-MS/MS with SQL Server-R analysis revealed the largest plasma proteome to date and was a practical method to quantify and compare the frequency or log10 intensity of individual proteins cleaved ex vivo across populations of plasma samples from multiple clinical locations to discover treatment-specific variation using classical statistics suitable for clinical science. It was possible to identify and quantify nearly all human proteins from EDTA plasma and compare the results of thousands of LC–ESI–MS/MS experiments from multiple clinical populations using standard database methods in SQL Server and classical statistical strategies in the R data analysis system.

Published
2018
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24. Human soluble ACE2 improves the effect of remdesivir in SARS‐CoV‐2 infection

Author

Vanessa Monteil, Matheus Dyczynski, Volker M Lauschke, Hyesoo Kwon, Gerald Wirnsberger, Sonia Youhanna, Haibo Zhang, Arthur S Slutsky, Carmen Hurtado del Pozo, Moritz Horn, Nuria Montserrat, Josef M Penninger, and Ali Mirazimi

Subjects
clinical trial, combination therapy, COVID‐19, treatment, Medicine (General), R5-920, Genetics, QH426-470
Abstract

Abstract There is a critical need for safe and effective drugs for COVID‐19. Only remdesivir has received authorization for COVID‐19 and has been shown to improve outcomes but not decrease mortality. However, the dose of remdesivir is limited by hepatic and kidney toxicity. ACE2 is the critical cell surface receptor for SARS‐CoV‐2. Here, we investigated additive effect of combination therapy using remdesivir with recombinant soluble ACE2 (high/low dose) on Vero E6 and kidney organoids, targeting two different modalities of SARS‐CoV‐2 life cycle: cell entry via its receptor ACE2 and intracellular viral RNA replication. This combination treatment markedly improved their therapeutic windows against SARS‐CoV‐2 in both models. By using single amino‐acid resolution screening in haploid ES cells, we report a singular critical pathway required for remdesivir toxicity, namely, Adenylate Kinase 2. The data provided here demonstrate that combining two therapeutic modalities with different targets, common strategy in HIV treatment, exhibit strong additive effects at sub‐toxic concentrations. Our data lay the groundwork for the study of combinatorial regimens in future COVID‐19 clinical trials.

Published
2021
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25. Evaluation of PEEP and prone positioning in early COVID-19 ARDS

Author

Mirja Mittermaier, Philipp Pickerodt, Florian Kurth, Laure Bosquillon de Jarcy, Alexander Uhrig, Carmen Garcia, Felix Machleidt, Panagiotis Pergantis, Susanne Weber, Yaosi Li, Astrid Breitbart, Felix Bremer, Philipp Knape, Marc Dewey, Felix Doellinger, Steffen Weber-Carstens, Arthur S. Slutsky, Wolfgang M. Kuebler, Norbert Suttorp, and Holger Müller-Redetzky

Subjects
Medicine (General), R5-920
Abstract

Background: In face of the Coronavirus Disease (COVID)-19 pandemic, best practice for mechanical ventilation in COVID-19 associated Acute Respiratory Distress Syndrome (ARDS) is intensely debated. Specifically, the rationale for high positive end-expiratory pressure (PEEP) and prone positioning in early COVID-19 ARDS has been questioned. Methods: The first 23 consecutive patients with COVID-19 associated respiratory failure transferred to a single ICU were assessed. Eight were excluded: five were not invasively ventilated and three received veno-venous ECMO support. The remaining 15 were assessed over the first 15 days of mechanical ventilation. Best PEEP was defined by maximal oxygenation and was determined by structured decremental PEEP trials comprising the monitoring of oxygenation, airway pressures and trans-pulmonary pressures. In nine patients the impact of prone positioning on oxygenation was investigated. Additionally, the effects of high PEEP and prone positioning on pulmonary opacities in serial chest x-rays were determined by applying a semiquantitative scoring-system. This investigation is part of the prospective observational PA-COVID-19 study. Findings: Patients responded to initiation of invasive high PEEP ventilation with markedly improved oxygenation, which was accompanied by reduced pulmonary opacities within 6 h of mechanical ventilation. Decremental PEEP trials confirmed the need for high PEEP (17.9 (SD ± 3.9) mbar) for optimal oxygenation, while driving pressures remained low. Prone positioning substantially increased oxygenation (p

Published
2020
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29. Synergistic Effect of Static Compliance and D-dimers to Predict Outcome of Patients with COVID-19-ARDS: A Prospective Multicenter Study

Author

Tommaso Tonetti, Giacomo Grasselli, Paola Rucci, Francesco Alessandri, Alessio Dell’Olio, Annalisa Boscolo, Laura Pasin, Nicolò Sella, Chiara Mega, Rita Maria Melotti, Massimo Girardis, Stefano Busani, Giacomo Bellani, Giuseppe Foti, Domenico Luca Grieco, Vittorio Scaravilli, Alessandro Protti, Thomas Langer, Luciana Mascia, Francesco Pugliese, Maurizio Cecconi, Roberto Fumagalli, Stefano Nava, Massimo Antonelli, Arthur S. Slutsky, Paolo Navalesi, Antonio Pesenti, and Vito Marco Ranieri

Subjects
acute respiratory distress syndrome, COVID-19, D-dimer, static compliance, mechanical ventilation, Biology (General), QH301-705.5
Abstract

The synergic combination of D-dimer (as proxy of thrombotic/vascular injury) and static compliance (as proxy of parenchymal injury) in predicting mortality in COVID-19-ARDS has not been systematically evaluated. The objective is to determine whether the combination of elevated D-dimer and low static compliance can predict mortality in patients with COVID-19-ARDS. A “training sample” (March–June 2020) and a “testing sample” (September 2020–January 2021) of adult patients invasively ventilated for COVID-19-ARDS were collected in nine hospitals. D-dimer and compliance in the first 24 h were recorded. Study outcome was all-cause mortality at 28-days. Cut-offs for D-dimer and compliance were identified by receiver operating characteristic curve analysis. Mutually exclusive groups were selected using classification tree analysis with chi-square automatic interaction detection. Time to death in the resulting groups was estimated with Cox regression adjusted for SOFA, sex, age, PaO2/FiO2 ratio, and sample (training/testing). “Training” and “testing” samples amounted to 347 and 296 patients, respectively. Three groups were identified: D-dimer ≤ 1880 ng/mL (LD); D-dimer > 1880 ng/mL and compliance > 41 mL/cmH2O (LD-HC); D-dimer > 1880 ng/mL and compliance ≤ 41 mL/cmH2O (HD-LC). 28-days mortality progressively increased in the three groups (from 24% to 35% and 57% (training) and from 27% to 39% and 60% (testing), respectively; p < 0.01). Adjusted mortality was significantly higher in HD-LC group compared with LD (HR = 0.479, p < 0.001) and HD-HC (HR = 0.542, p < 0.01); no difference was found between LD and HD-HC. In conclusion, combination of high D-dimer and low static compliance identifies a clinical phenotype with high mortality in COVID-19-ARDS.

Published
2021
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30. Acute Hypoxemic Respiratory Failure in Children at the Start of COVID-19 Outbreak: A Nationwide Experience

Author

Yolanda M. López-Fernández, Amelia Martínez-de-Azagra, José M. González-Gómez, César Pérez-Caballero Macarrón, María García-González, Julio Parrilla-Parrilla, María Miñambres-Rodríguez, Paula Madurga-Revilla, Ana Gómez-Zamora, Patricia Rodríguez-Campoy, Juan Mayordomo-Colunga, Laura Butragueño-Laiseca, Rocío Núñez-Borrero, Jesús M. González-Martín, Arthur S. Slutsky, Jesús Villar, and on behalf the Prevalence and Outcome of Acute Hypoxemic Respiratory Failure in Children (PANDORA-CHILD) Network

Subjects
children, acute hypoxemic respiratory failure, acute respiratory distress syndrome, coronavirus disease 2019, mechanical ventilation, Medicine
Abstract

Study design: This is a prospective, multicenter, and observational study with the aim of describing physiological characteristics, respiratory management, and outcomes of children with acute hypoxemic respiratory failure (AHRF) from different etiologies receiving invasive mechanical ventilation (IMV) compared with those affected by SARS-CoV-2. Methods and Main Results: Twenty-eight patients met the inclusion criteria: 9 patients with coronavirus disease 2019 (COVID-19) and 19 patients without COVID-19. Non-COVID-19 patients had more pre-existing comorbidities (78.9% vs. 44.4%) than COVID-19 patients. At AHRF onset, non-COVID-19 patients had worse oxygenation (PaO2/FiO2 = 95 mmHg (65.5–133) vs. 150 mmHg (105–220), p = 0.04), oxygenation index = 15.9 (11–28.4) vs. 9.3 (6.7–10.6), p = 0.01), and higher PaCO2 (48 mmHg (46.5–63) vs. 41 mmHg (40–45), p = 0.07, that remained higher at 48 h: 54 mmHg (43–58.7) vs. 41 (38.5–45.5), p = 0.03). In 12 patients (5 COVID-19 and 7 non-COVID-19), AHRF evolved to pediatric acute respiratory distress syndrome (PARDS). All non-COVID-19 patients had severe PARDS, while 3 out of 5 patients in the COVID-19 group had mild or moderate PARDS. Overall Pediatric Intensive Care Medicine (PICU) mortality was 14.3%. Conclusions: Children with AHRF due to SARS-CoV2 infection had fewer comorbidities and better oxygenation than patients with non-COVID-19 AHRF. In this study, progression to severe PARDS was rarely observed in children with COVID-19.

Published
2021
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32. Association of Extracorporeal Membrane Oxygenation With New Mental Health Diagnoses in Adult Survivors of Critical Illness

Author

Shannon M. Fernando, Mary Scott, Robert Talarico, Eddy Fan, Daniel I. McIsaac, Manish M. Sood, Daniel T. Myran, Margaret S. Herridge, Dale M. Needham, Carol L. Hodgson, Bram Rochwerg, Laveena Munshi, M. Elizabeth Wilcox, O. Joseph Bienvenu, Graeme MacLaren, Robert A. Fowler, Damon C. Scales, Niall D. Ferguson, Alain Combes, Arthur S. Slutsky, Daniel Brodie, Peter Tanuseputro, and Kwadwo Kyeremanteng

Subjects
Adult, Male, Ontario, Adolescent, Substance-Related Disorders, Mental Disorders, Critical Illness, Aftercare, General Medicine, Middle Aged, Patient Discharge, Extracorporeal Membrane Oxygenation, Mental Health, Outcome Assessment, Health Care, Humans, Female, Survivors, Original Investigation, Follow-Up Studies, Retrospective Studies
Abstract

ImportanceExtracorporeal membrane oxygenation (ECMO) is used as temporary cardiorespiratory support in critically ill patients, but little is known regarding long-term psychiatric sequelae among survivors after ECMO.ObjectiveTo investigate the association between ECMO survivorship and postdischarge mental health diagnoses among adult survivors of critical illness.Design, Setting, and ParticipantsPopulation-based retrospective cohort study in Ontario, Canada, from April 1, 2010, through March 31, 2020. Adult patients (N=4462; age ≥18 years) admitted to the intensive care unit (ICU), and surviving to hospital discharge were included.ExposuresReceipt of ECMO.Main Outcomes and MeasuresThe primary outcome was a new mental health diagnosis (a composite of mood disorders, anxiety disorders, posttraumatic stress disorder; schizophrenia, other psychotic disorders; other mental health disorders; and social problems) following discharge. There were 8 secondary outcomes including incidence of substance misuse, deliberate self-harm, death by suicide, and individual components of the composite primary outcome. Patients were compared with ICU survivors not receiving ECMO using overlap propensity score–weighted cause-specific proportional hazard models.ResultsAmong 642 survivors who received ECMO (mean age, 50.7 years; 40.7% female), median length of follow-up was 730 days; among 3820 matched ICU survivors who did not receive ECMO (mean age, 51.0 years; 40.0% female), median length of follow-up was 1390 days. Incidence of new mental health conditions among survivors who received ECMO was 22.1 per 100-person years (95% confidence interval [CI] 19.5-25.1), and 14.5 per 100-person years (95% CI, 13.8-15.2) among non-ECMO ICU survivors (absolute rate difference of 7.6 per 100-person years [95% CI, 4.7-10.5]). Following propensity weighting, ECMO survivorship was significantly associated with an increased risk of new mental health diagnosis (hazard ratio [HR] 1.24 [95% CI, 1.01-1.52]). There were no significant differences between survivors who received ECMO vs ICU survivors who did not receive ECMO in substance misuse (1.6 [95% CI, 1.1 to 2.4] per 100 person-years vs 1.4 [95% CI, 1.2 to 1.6] per 100 person-years; absolute rate difference, 0.2 per 100 person-years [95% CI, −0.4 to 0.8]; HR, 0.86 [95% CI, 0.48 to 1.53]) or deliberate self-harm (0.4 [95% CI, 0.2 to 0.9] per 100 person-years vs 0.3 [95% CI, 0.2 to 0.3] per 100 person-years; absolute rate difference, 0.1 per 100 person-years [95% CI, −0.2 to 0.4]; HR, 0.68 [95% CI, 0.21 to 2.23]). There were fewer than 5 total cases of death by suicide in the entire cohort.Conclusions and RelevanceAmong adult survivors of critical illness, receipt of ECMO, compared with ICU hospitalization without ECMO, was significantly associated with a modestly increased risk of new mental health diagnosis or social problem diagnosis after discharge. Further research is necessary to elucidate the potential mechanisms underlying this relationship.

Published
2023

34. Respiratory support in patients with acute respiratory distress syndrome: an expert opinion

Author

Davide Chiumello, Laurent Brochard, John J. Marini, Arthur S. Slutsky, Jordi Mancebo, V. Marco Ranieri, B. Taylor Thompson, Laurent Papazian, Marcus J. Schultz, Marcelo Amato, Luciano Gattinoni, Alain Mercat, Antonio Pesenti, Daniel Talmor, and Jean-Louis Vincent

Subjects
Ventilator support, Ventilator-induced lung injury, Tidal volume, Positive end-expiratory pressure, Esophageal pressure, Extracorporeal membrane oxygenation, Medical emergencies. Critical care. Intensive care. First aid, RC86-88.9
Abstract

Abstract Acute respiratory distress syndrome (ARDS) is a common condition in intensive care unit patients and remains a major concern, with mortality rates of around 30–45% and considerable long-term morbidity. Respiratory support in these patients must be optimized to ensure adequate gas exchange while minimizing the risks of ventilator-induced lung injury. The aim of this expert opinion document is to review the available clinical evidence related to ventilator support and adjuvant therapies in order to provide evidence-based and experience-based clinical recommendations for the management of patients with ARDS.

Published
2017
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35. Development of a Zebrafish Sepsis Model for High-Throughput Drug Discovery

Author

Anju M. Philip, Youdong Wang, Antonio Mauro, Suzan El-Rass, John C. Marshall, Warren L. Lee, Arthur S. Slutsky, Claudia C. dos Santos, and Xiao-Yan Wen

Subjects
Therapeutics. Pharmacology, RM1-950, Biochemistry, QD415-436
Abstract

Abstract Sepsis is a leading cause of death worldwide. Current treatment modalities remain largely supportive. Intervention strategies focused on inhibiting specific mediators of the inflammatory host response have been largely unsuccessful, a consequence of an inadequate understanding of the complexity and heterogeneity of the innate immune response. Moreover, the conventional drug-development pipeline is time-consuming and expensive, and the low success rates associated with cell-based screens underline the need for whole-organism screening strategies, especially for complex pathological processes. Here, we established a lipopolysaccharide (LPS)-induced zebrafish endotoxemia model, which exhibits the major hallmarks of human sepsis, including edema and tissue/organ damage, increased vascular permeability and vascular leakage accompanied by altered expression of cellular junction proteins, increased cytokine expression, immune cell activation and reactive oxygen species (ROS) production, reduced circulation and increased platelet aggregation. We tested the suitability of the model for phenotype-based drug screening using three primary readouts: mortality, vascular leakage and ROS production. Preliminary screening identified fasudil, a drug known to protect against vascular leakage in murine models, as a lead hit, thereby validating the utility of our model for sepsis drug screens. This zebrafish sepsis model has the potential to rapidly analyze sepsis-associated pathologies and cellular processes in the whole organism, as well as to screen and validate many compounds that can modify sepsis pathology in vivo.

Published
2017
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37. Partition of respiratory mechanics in patients with acute respiratory distress syndrome and association with outcome: a multicentre clinical study

Author

Lu Chen, Domenico L. Grieco, François Beloncle, Guang-Qiang Chen, Norberto Tiribelli, Fabiana Madotto, Sebastian Fredes, Cong Lu, Massimo Antonelli, Alain Mercat, Arthur S. Slutsky, Jian-Xin Zhou, and Laurent Brochard

Subjects
Respiratory Distress Syndrome, Acute respiratory distress syndrome, Critical Care and Intensive Care Medicine, Respiration, Artificial, Positive-Pressure Respiration, Artificial respiration, Mechanical ventilation, Settore MED/41 - ANESTESIOLOGIA, Respiratory Mechanics, Tidal Volume, Humans, Obesity, Prospective Studies, Positive-pressure respiration, Respiratory mechanics
Abstract

In acute respiratory distress syndrome (ARDS), physiological parameters associated with outcome may help defining targets for mechanical ventilation. This study aimed to address whether transpulmonary pressures (PProspective, observational, multicentre registry of ARDS patients. Respiratory mechanics were measured early after intubation at 6 kg/ml tidal volume. We compared the predictive power of the parameters for mortality at day-60 through receiver operating characteristic (ROC) and assessed their association with 60-day mortality through unadjusted and adjusted Cox regressions. Finally, each parameter was dichotomized, and Kaplan-Meier survival curves were compared.385 patients were enrolled 2 [1-4] days from intubation (esophageal pressure and arterial blood gases in 302 and 318 patients). As continuous variables, DPDP

Published
2022

38. Association of Positive End-Expiratory Pressure and Lung Recruitment Selection Strategies with Mortality in Acute Respiratory Distress Syndrome

Author

Jose Dianti, Manuel Tisminetzky, Bruno L. Ferreyro, Marina Englesakis, Lorenzo Del Sorbo, Sachin Sud, Daniel Talmor, Lorenzo Ball, Maureen Meade, Carol Hodgson, Jeremy R. Beitler, Sarina Sahetya, Alistair Nichol, Eddy Fan, Bram Rochwerg, Laurent Brochard, Arthur S. Slutsky, Niall D. Ferguson, Ary Serpa Neto, Neill K. J. Adhikari, Federico Angriman, Ewan C. Goligher, and Intensive Care Medicine

Subjects
Adult, Pulmonary and Respiratory Medicine, Respiratory Distress Syndrome, Network Meta-Analysis, Bayes Theorem, hypoxemic respiratory failure, respiratory system, Critical Care and Intensive Care Medicine, mortality, respiratory tract diseases, Positive-Pressure Respiration, Humans, ARDS, lung recruitment maneuver, Lung, PEEP, circulatory and respiratory physiology
Abstract

Rationale: The most beneficial positive end-expiratory pressure (PEEP) selection strategy in patients with acute respiratory distress syndrome (ARDS) is unknown, and current practice is variable. Objectives: To compare the relative effects of different PEEP selection strategies on mortality in adults with moderate to severe ARDS. Methods: We conducted a network meta-analysis using a Bayesian framework. Certainty of evidence was evaluated using grading of recommendations assessment, development and evaluation methodology. Measurements and Main Results: We included 18 randomized trials (4,646 participants). Compared with a lower PEEP strategy, the posterior probability of mortality benefit from a higher PEEP without lung recruitment maneuver (LRM) strategy was 99% (risk ratio [RR], 0.77; 95% credible interval [CrI], 0.60-0.96, high certainty), the posterior probability of benefit of the esophageal pressure-guided strategy was 87% (RR, 0.77; 95% CrI, 0.48-1.22, moderate certainty), the posterior probability of benefit of a higher PEEP with brief LRM strategy was 96% (RR, 0.83; 95% CrI, 0.67-1.02, moderate certainty), and the posterior probability of increased mortality from a higher PEEP with prolonged LRM strategy was 77% (RR, 1.06; 95% CrI, 0.89-1.22, low certainty). Compared with a higher PEEP without LRM strategy, the posterior probability of increased mortality from a higher PEEP with prolonged LRM strategy was 99% (RR, 1.37; 95% CrI, 1.04-1.81, moderate certainty). Conclusions: In patients with moderate to severe ARDS, higher PEEP without LRM is associated with a lower risk of death than lower PEEP. A higher PEEP with prolonged LRM strategy is associated with increased risk of death when compared with higher PEEP without LRM.

Published
2022

40. Extracorporeal cardiopulmonary resuscitation in adults: evidence and implications

Author

Joseph E. Tonna, Darryl Abrams, Alain Combes, Fabio Silvio Taccone, A. Reshad Garan, Kiran Shekar, Yih-Sharng Chen, Jae Seung Jung, Susanna Price, Arthur S. Slutsky, Roberto Lorusso, Jan Bělohlávek, Nir Uriel, Daniel Brodie, Graeme MacLaren, Nadia Aissaoui, Demetris Yannopoulos, Koji Takeda, and Leen Vercaemst

Subjects
Adult, medicine.medical_specialty, Resuscitation, medicine.medical_treatment, Cost-Benefit Analysis, LIFE-SUPPORT, UNITED-STATES, Critical Care and Intensive Care Medicine, Extracorporeal, law.invention, Randomized controlled trial, law, Anesthesiology, AMERICAN-HEART-ASSOCIATION, medicine, Extracorporeal membrane oxygenation, Humans, Extracorporeal cardiopulmonary resuscitation, Intensive care medicine, OUTCOMES, business.industry, MEMBRANE-OXYGENATION, HOSPITAL CARDIAC-ARREST, Cardiac arrest, Cardiopulmonary Resuscitation, IHCA, Life support, GUIDELINES UPDATE, OHCA, SURVIVAL, Observational study, Narrative Review, LOW-FLOW DURATION, business, Out-of-Hospital Cardiac Arrest, SINGLE-CENTER
Abstract

Rates of survival with functional recovery for both in-hospital and out-of-hospital cardiac arrest are notably low. Extracorporeal cardiopulmonary resuscitation (ECPR) is emerging as a modality to improve prognosis by augmenting perfusion to vital end-organs by utilizing extracorporeal membrane oxygenation (ECMO) during conventional CPR and stabilizing the patient for interventions aimed at reversing the aetiology of the arrest. Implementing this emergent procedure requires a substantial investment in resources, and even the most successful ECPR programs may nonetheless burden healthcare systems, clinicians, patients, and their families with unsalvageable patients supported by extracorporeal devices. Non-randomized and observational studies have repeatedly shown an association between ECPR and improved survival, versus conventional CPR, for in-hospital cardiac arrest in select patient populations. Recently, randomized controlled trials suggest benefit for ECPR over standard resuscitation, as well as the feasibility of performing such trials, in out-of-hospital cardiac arrest within highly coordinated healthcare delivery systems. Application of these data to clinical practice should be done cautiously, with outcomes likely to vary by the setting and system within which ECPR is initiated. ECPR introduces important ethical challenges, including whether it should be considered an extension of CPR, at what point it becomes sustained organ replacement therapy, and how to approach patients unable to recover or be bridged to heart replacement therapy. The economic impact of ECPR varies by health system, and has the potential to outstrip resources if used indiscriminately. Ideally, studies should include economic evaluations to inform health care systems about the cost-benefits of this therapy.

Published
2022

41. Noninvasive respiratory support following extubation in critically ill adults: a systematic review and network meta-analysis

Author

Samir Jaber, Shannon M. Fernando, Robert A. Fowler, Daniel Brodie, Pierre Cardinal, Laveena Munshi, Margaret S. Herridge, Laurent Brochard, Eddy Fan, Deborah J. Cook, Andrew J.E. Seely, Behnam Sadeghirad, Alexandre Tran, Arthur S. Slutsky, Niall D. Ferguson, Morten Hylander Møller, Karen E. A. Burns, Arnaud W. Thille, Ewan C. Goligher, Bram Rochwerg, University of Ottawa [Ottawa], McMaster University [Hamilton, Ontario], University of Toronto, St. Michael's Hospital, Mount Sinai Health System, University Health Network, Columbia University College of Physicians and Surgeons, New York Presbyterian Hospital, Sunnybrook Health Sciences Centre, Physiologie & médecine expérimentale du Cœur et des Muscles [U 1046] (PhyMedExp), Université de Montpellier (UM)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Centre National de la Recherche Scientifique (CNRS), Centre Hospitalier Régional Universitaire [Montpellier] (CHRU Montpellier), University of Copenhagen = Københavns Universitet (KU), Centre hospitalier universitaire de Poitiers (CHU Poitiers), CIC - Poitiers, Université de Poitiers-Centre hospitalier universitaire de Poitiers (CHU Poitiers)-Direction Générale de l'Organisation des Soins (DGOS)-Institut National de la Santé et de la Recherche Médicale (INSERM), Ottawa Hospital Research Institute [Ottawa] (OHRI), Institut National de la Santé et de la Recherche Médicale (INSERM)-Centre National de la Recherche Scientifique (CNRS)-Université de Montpellier (UM), University of Copenhagen = Københavns Universitet (UCPH), and MORNET, Dominique

Subjects
medicine.medical_specialty, [SDV]Life Sciences [q-bio], medicine.medical_treatment, Critical Care and Intensive Care Medicine, medicine.disease_cause, law.invention, 03 medical and health sciences, Mechanical ventilation, 0302 clinical medicine, Randomized controlled trial, law, Oxygen therapy, Anesthesiology, medicine, Critical care medicine, 030212 general & internal medicine, Extubation failure, Critically ill, business.industry, Incidence (epidemiology), 3. Good health, [SDV] Life Sciences [q-bio], 030228 respiratory system, Meta-analysis, High-flow nasal cannula, Emergency medicine, business, Nasal cannula
Abstract

International audience; Purpose: Systematic review and network meta-analysis to investigate the efficacy of noninvasive respiratory strategies, including noninvasive positive pressure ventilation (NIPPV) and high-flow nasal cannula (HFNC), in reducing extubation failure among critically ill adults.Methods: We searched databases from inception through October 2021 for randomized controlled trials (RCTs) evaluating noninvasive respiratory support therapies (NIPPV, HFNC, conventional oxygen therapy, or a combination of these) following extubation in critically ill adults. Two reviewers performed screening, full text review, and extraction independently. The primary outcome of interest was reintubation. We used GRADE to rate the certainty of our findings.Results: We included 36 RCTs (6806 patients). Compared to conventional oxygen therapy, NIPPV (OR 0.65 [95% CI 0.52-0.82]) and HFNC (OR 0.63 [95% CI 0.45-0.87]) reduced reintubation (both moderate certainty). Sensitivity analyses showed that the magnitude of the effect was highest in patients with increased baseline risk of reintubation. As compared to HFNC, no difference in incidence of reintubation was seen with NIPPV (OR 1.04 [95% CI 0.78-1.38], low certainty). Compared to conventional oxygen therapy, neither NIPPV (OR 0.8 [95% CI 0.61-1.04], moderate certainty) or HFNC (OR 0.9 [95% CI 0.66-1.24], low certainty) reduced short-term mortality. Consistent findings were demonstrated across multiple subgroups, including high- and low-risk patients. These results were replicated when evaluating noninvasive strategies for prevention (prophylaxis), but not in rescue (application only after evidence of deterioration) situations.Conclusions: Our findings suggest that both NIPPV and HFNC reduced reintubation in critically ill adults, compared to conventional oxygen therapy. NIPPV did not reduce incidence of reintubation when compared to HFNC. These findings support the preventative application of noninvasive respiratory support strategies to mitigate extubation failure in critically ill adults, but not in rescue conditions.

Published
2021

42. Mechanical ventilation in patients with cardiogenic pulmonary edema: a sub-analysis of the LUNG SAFE study

Author

Amado-Rodríguez, Laura, Rodríguez-Garcia, Raquel, Bellani, Giacomo, Pham, Tài, Fan, Eddy, Madotto, Fabiana, Laffey, John G, Albaiceta, Guillermo M, Antonio Pesenti, Laurent Brochard, Andres Esteban, Luciano Gattinoni, Frank van Haren, Anders Larsson, DanielF McAuley, Marco Ranieri, Gordon Rubenfeld, B Taylor Thompson, Hermann Wrigge, Arthur S Slutsky, Fernando Rios, Frank Van Haren, Thierry Sottiaux, Pieter Depuydt, Fredy S Lora, Luciano Cesar Azevedo, Guillermo Bugedo, Haibo Qiu, Marcos Gonzalez, Juan Silesky, Vladimir Cerny, Jonas Nielsen, Manuel Jibaja, Dimitrios Matamis, Jorge Luis Ranero, Pravin Amin, S M Hashemian, Kevin Clarkson, Kiyoyasu Kurahashi, Asisclo Villagomez, Amine Ali Zeggwagh, Leo M Heunks, Jon Henrik Laake, Jose Emmanuel Palo, Antero do Vale Fernandes, Dorel Sandesc, Yaasen Arabi, Vesna Bumbasierevic, Nicolas Nin, Jose A Lorente, Lise Piquilloud, Fekri Abroug, Lia McNamee, Javier Hurtado, Ed Bajwa, Gabriel Démpaire, Hektor Sula, Lordian Nunci, Alma Cani, Alan Zazu, Christian Dellera, Carolina S Insaurralde, Sanatorio Las Lomas, San Isidro, Risso V Alejandro, Julio Daldin, Mauricio Vinzio, Ruben O Fernandez, Luis P Cardonnet, Lisandro R Bettini, Mariano Carboni Bisso, Emilio M Osman, Mariano G Setten, Pablo Lovazzano, Javier Alvarez, Veronica Villar, Norberto C Pozo, Nicolas Grubissich, Gustavo A Plotnikow, Daniela N Vasquez, Santiago Ilutovich, Norberto Tiribelli, Ariel Chena, Carlos A Pellegrini, María G Saenz, Elisa Estenssoro, Matias Brizuela, Hernan Gianinetto, Pablo E Gomez, Valeria I Cerrato, Marco G Bezzi, Silvina A Borello, Flavia A Loiacono, Adriana M Fernandez, Serena Knowles, Claire Reynolds, Deborah M Inskip, Jennene J Miller, Jing Kong, Christina Whitehead, Shailesh Bihari, Aylin Seven, Amanda Krstevski, Helen J Rodgers, Rebecca T Millar, Toni E McKenna, Irene M Bailey, Gabrielle C Hanlon, Anders Aneman, Joan M Lynch, Raman Azad, John Neal, Paul W Woods, Brigit L Roberts, Mark R Kol, Helen S Wong, Katharina C Riss, Thomas Staudinger, Xavier Wittebole, Caroline Berghe, Pierre A Bulpa, Alain M Dive, Rik Verstraete, Herve Lebbinck, Joris Vermassen, Philippe Meersseman, Helga Ceunen, JonasI Rosa, Daniel O Beraldo, Claudio Piras, Adenilton M Rampinelli, Antonio P Nassar Jr, Sergio Mataloun, Marcelo Moock, MarlusM Thompson, Claudio H Gonçalves, Ana Carolina P Antônio, Aline Ascoli, Rodrigo S Biondi, Danielle C Fontenele, Danielle Nobrega, Vanessa M Sales, Ahmad Yazid BinHJAbul Wahab, Maizatul Ismail, Suresh Shindhe, John Laffey, Francois Beloncle, Kyle G Davies, Rob Cirone, Venika Manoharan, Mehvish Ismail, Ewan C Goligher, Mandeep Jassal, Erin Nishikawa, Areej Javeed, Gerard Curley, Nuttapol Rittayamai, Matteo Parotto, Niall D Ferguson, Sangeeta Mehta, Jenny Knoll, Antoine Pronovost, Sergio Canestrini, Alejandro R Bruhn, Patricio H Garcia, Felipe A Aliaga, Pamela A Farías, Jacob S Yumha, Claudia A Ortiz, Javier E Salas, Alejandro A Saez, Luis D Vega, Eduardo F Labarca, Felipe T Martinez, Nicolás G Carreño, Pilar Lora, Haitao Liu, Ling Liu, Rui Tang, Xiaoming Luo, Youzhong An, Huiying Zhao, Yan Gao, Zhe Zhai, Zheng L Ye, Wei Wang, Wenwen Li, Qingdong Li, Ruiqiang Zheng, Wenkui Yu, Juanhong Shen, Xinyu Li, Tao Yu, Weihua Lu, Ya Q Wu, Xiao B Huang, Zhenyang He, Yuanhua Lu, Hui Han, Fan Zhang, Renhua Sun, Hua X Wang, Shu H Qin, Bao H Zhu, Jun Zhao, Jian Liu, Bin Li, Jing L Liu, Fa C Zhou, Qiong J Li, Xing Y Zhang, Zhou Li-Xin, Qiang Xin-Hua, Liangyan Jiang, Yuan N Gao, Xian Y Zhao, Yuan Y Li, Xiao L Li, Chunting Wang, Qingchun Yao, Rongguo Yu, Kai Chen, Huanzhang Shao, Bingyu Qin, Qing Q Huang, Wei H Zhu, Ai Y Hang, Ma X Hua, Yimin Li, Yonghao Xu, Yu D Di, Long L Ling, Tie H Qin, ShouH Wang, Junping Qin, Yi Han, Suming Zhou, Monica P Vargas, Juan I Silesky Jimenez, Manuel A González Rojas, Jaime E SolisQuesada, ChristianM Ramirez-Alfaro, Jan Máca, Peter Sklienka, Jakob Gjedsted, Aage Christiansen, BorisG Villamagua, Iguel Llano, Philippe Burtin, Gautier Buzancais, Pascal Beuret, Nicolas Pelletier, Satar Mortaza, Alain Mercat, Jonathan Chelly, Sébastien Jochmans, Nicolas Terzi, Cédric Daubin, Guillaume Carteaux, Nicolas de Prost, Jean-Daniel Chiche, Fabrice Daviaud, Muriel Fartoukh, Guillaume Barberet, Jerome Biehler, Jean Dellamonica, Denis Doyen, Jean-Michel Arnal, Anais Briquet, Sami Hraiech, Laurent Papazian, Arnaud Follin, Damien Roux, Jonathan Messika, Evangelos Kalaitzis, Laurence Dangers, Alain Combes, Gaetan Béduneau, Dorothée Carpentier, Elie H Zogheib, Herve Dupont, Sylvie Ricome, FrancescoL Santoli, Sebastien L Besset, Philippe Michel, Bruno Gelée, Pierre-Eric Danin, Bernard Goubaux, Philippe J Crova, Nga T Phan, Frantz Berkelmans, Julio C Badie, Romain Tapponnier, Josette Gally, Samy Khebbeb, Jean-Etienne Herbrecht, Francis Schneider, PierreLouis M Declercq, Jean-Philippe Rigaud, Jacques Duranteau, Anatole Harrois, Russell Chabanne, Julien Marin, Charlene Bigot, Sandrine Thibault, Mohammed Ghazi, Messabi Boukhazna, Salem Ould Zein, Jack R Richecoeur, DanieleM Combaux, Fabien Grelon, Charlene Le Moal, EliseP Sauvadet, Adrien Robine, Virginie Lemiale, Danielle Reuter, Martin Dres, Alexandre Demoule, Dany Goldgran-Toledano, Loredana Baboi, Claude Guérin, Ralph Lohner, Jens Kraßler, Susanne Schäfer, Kai D Zacharowski, Patrick Meybohm, Andreas W Reske, Philipp Simon, HansBernd F Hopf, Michael Schuetz, Thomas Baltus, Metaxia N Papanikolaou, Theonymfi G Papavasilopoulou, Giannis A Zacharas, Vasilis Ourailogloy, Eleni K Mouloudi, Eleni V Massa, Eva O Nagy, Electra E Stamou, Ellada V Kiourtzieva, Marina A Oikonomou, Luis E Avila, Cesar A Cortez, Johanna E Citalán, Sameer A Jog, Safal D Sable, Bhagyesh Shah, Mohan Gurjar, Arvind K Baronia, Mohammedfaruk Memon, Radhakrishnan Muthuchellappan, Venkatapura J Ramesh, Anitha Shenoy, Ramesh Unnikrishnan, Subhal B Dixit, RachanaV Rhayakar, Nagarajan Ramakrishnan, VallishK Bhardwaj, HeeraL Mahto, Sudha V Sagar, Vijayanand Palaniswamy, Deeban Ganesan, Seyed Mohammadreza Hashemian, Hamidreza Jamaati, Farshad Heidari, Edel A Meaney, Alistair Nichol, Karl M Knapman, Donall O'Croinin, EimhinS Dunne, Dorothy M Breen, Kevin P Clarkson, Rola F Jaafar, Rory Dwyer, Fahd Amir, Olaitan O Ajetunmobi, Aogan C O'Muircheartaigh, ColinS Black, Nuala Treanor, Daniel V Collins, Wahid Altaf, Gianluca Zani, Maurizio Fusari, Savino Spadaro, Carlo A Volta, Romano Graziani, Barbara Brunettini, Salvatore Palmese, Paolo Formenti, Michele Umbrello, Andrea Lombardo, Elisabetta Pecci, Marco Botteri, Monica Savioli, Alessandro Protti, Alessia Mattei, Lorenzo Schiavoni, Andrea Tinnirello, Manuel Todeschini, Antonino Giarratano, Andrea Cortegiani, Sara Sher, Anna Rossi, Massimo M Antonelli, Luca M Montini, Paolo Casalena, Sergio Scafetti, Giovanna Panarello, Giovanna Occhipinti, Nicolò Patroniti, Matteo Pozzi, RobertoR Biscione, Michela M Poli, Ferdinando Raimondi, Daniela Albiero, Giulia Crapelli, Eduardo Beck, Vincenzo Pota, Vincenzo Schiavone, Alexandre Molin, Fabio Tarantino, Giacomo Monti, Elena Frati, Lucia Mirabella, Gilda Cinnella, Tommaso Fossali, Riccardo Colombo, Pierpaolo Terragni, Ilaria Pattarino, Francesco Mojoli, Antonio Braschi, Erika E Borotto, Andrea N Cracchiolo, Daniela M Palma, Francesco Raponi, Giuseppe Foti, EttoreR Vascotto, Andrea Coppadoro, Luca Brazzi, Leda Floris, Giorgio A Iotti, Aaron Venti, Osamu Yamaguchi, Shunsuke Takagi, Hiroki N Maeyama, Eizo Watanabe, Yoshihiro Yamaji, Kazuyoshi Shimizu, Kyoko Shiozaki, Satoru Futami, Sekine Ryosuke, Koji Saito, Yoshinobu Kameyama, Keiko Ueno, Masayo Izawa, Nao Okuda, Hiroyuki Suzuki, Tomofumi Harasawa, Michitaka Nasu, Tadaaki Takada, Fumihito Ito, Shin Nunomiya, Kansuke Koyama, Toshikazu Abe, Kohkichi Andoh, Kohei Kusumoto, Akira Hirata, Akihiro Takaba, Hiroyasu Kimura, Shuhei Matsumoto, Ushio Higashijima, Hiroyuki Honda, Nobumasa Aoki, Hiroshi Imai, Yasuaki Ogino, Ichiko Mizuguchi, Kazuya Ichikado, Kenichi Nitta, Katsunori Mochizuki, Tomoaki Hashida, Hiroyuki Tanaka, Tomoyuki Nakamura, Daisuke Niimi, Takeshi Ueda, Yozo Kashiwa, Akinori Uchiyama, Olegs Sabelnikovs, Peteris Oss, Youssef Haddad, Kong Y Liew, Silvio A Ñamendys-Silva, YvesD Jarquin-Badiola, Luis A Sanchez-Hurtado, Saira S Gomez-Flores, Maria C Marin, AsiscloJ Villagomez, Jordana S Lemus, Jonathan M Fierro, Mavy Ramirez Cervantes, Francisco Javier Flores Mejia, Dulce Dector, Alejandro Rojas, Daniel R Gonzalez, Claudia R Estrella, Jorge R Sanchez-Medina, Alvaro Ramirez-Gutierrez, Fernando G George, Janet S Aguirre, Juan A Buensuseso, Manuel Poblano, Tarek Dendane, Hicham Balkhi, Mina Elkhayari, Nacer Samkaoui, Hanane Ezzouine, Abdellatif Benslama, Mourad Amor, Wajdi Maazouzi, Nedim Cimic, Oliver Beck, Monique M Bruns, Jeroen A Schouten, Myra Rinia, Monique Raaijmakers, Hellen M Van Wezel, SergeJ Heines, Ulrich Strauch, Marc P Buise, Fabienne D Simonis, Marcus J Schultz, Jennifer C Goodson, Troy S Browne, Leanlove Navarra, Anna Hunt, Robyn A Hutchison, Mathew B Bailey, Lynette Newby, Colin McArthur, Michael Kalkoff, Alex Mcleod, Jonathan Casement, DanielleJ Hacking, Finn H Andersen, Merete S Dolva, Jon H Laake, Andreas Barratt-Due, Kim Andre L Noremark, Eldar Søreide, BritÅ Sjøbø, AnneB Guttormsen, Hector H LeonYoshido, Ronald Zumaran Aguilar, Fredy A Montes Oscanoa, Alain U Alisasis, Joanne B Robles, Rossini Abbie B Pasanting-Lim, Beatriz C Tan, Pawel Andruszkiewicz, Karina Jakubowska, Cristina M Coxo, António M Alvarez, Bruno S Oliveira, Gustavo M Montanha, Nelson C Barros, Carlos S Pereira, António M Messias, Jorge M Monteiro, AnaM Araujo, NunoT Catorze, Susan M Marum, Maria J Bouw, Rui M Gomes, Vania A Brito, Silvia Castro, Joana M Estilita, Filipa M Barros, IsabelM Serra, Aurelia M Martinho, Dana R Tomescu, Alexandra Marcu, Ovidiu H Bedreag, Marius Papurica, Dan E Corneci, Silvius Ioan Negoita, Evgeny Grigoriev, Alexey I Gritsan, Andrey A Gazenkampf, Ghaleb Almekhlafi, Mohamad M Albarrak, Ghanem M Mustafa, Khalid A Maghrabi, Nawal Salahuddin, Tharwat M Aisa, AhmedS AlJabbary, Edgardo Tabhan, YaseenM Arabi, Yaseen M Arabi, Olivia A Trinidad, Hasan M Al Dorzi, Edgardo E Tabhan, Vesna Bumbasirevic, Bojan Jovanovic, Stefan Bolon, Oliver Smith, Jordi Mancebo, Hernan Aguirre-Bermeo, JuanC Lopez-Delgado, Francisco Esteve, Gemma Rialp, Catalina Forteza, Candelaria De Haro, Antonio Artigas, GuillermoM Albaiceta, Sara De Cima-Iglesias, Leticia Seoane-Quiroga, Alexandra Ceniceros-Barros, AntonioL RuizAguilar, LuisM Claraco-Vega, Juan Alfonso Soler, Maria Del CarmenLorente, Cecilia Hermosa, Federico Gordo, Miryam PrietoGonzález, JuanB López-Messa, ManuelP Perez, CesarP Perez, Raquel Montoiro Allue, Ferran RocheCampo, Marcos Ibañez-Santacruz, Susana Temprano, Maria C Pintado, Raul De Pablo, Pilar Ricart Aroa Gómez, Silvia Rodriguez Ruiz, Silvia Iglesias Moles, M Teresa Jurado, Alfons Arizmendi, Enrique A Piacentini, Nieves Franco, Teresa Honrubia, Meisy Perez Cheng, Elena Perez Losada, Javier Blanco, Luis J Yuste, Cecilia Carbayo-Gorriz, Francisca G Cazorla-Barranquero, Javier G Alonso, Rosa S Alda, Ángela Algaba, Gonzalo Navarro, Enrique Cereijo, Esther Diaz-Rodriguez, Diego Pastor Marcos, Laura Alvarez Montero, Luis Herrera Para, Roberto Jimenez Sanchez, Miguel Angel Blasco Navalpotro, Ricardo Diaz Abad, Raquel Montiel González, Dácil Parrilla Toribio, Alejandro G Castro, Maria Jose D Artiga, Oscar Penuelas, Tomas P Roser, Moreno F Olga, Elena Gallego Curto, Rocío Manzano Sánchez, Vallverdu P Imma, Garcia M Elisabet, Laura Claverias, Monica Magret, Ana M Pellicer, Lucia L Rodriguez, Jesús Sánchez-Ballesteros, Ángela González-Salamanca, AntonioG Jimenez, FranciscoP Huerta, Juan Carlos J Sotillo Diaz, Esther Bermejo Lopez, David D Llinares Moya, Alec A Tallet Alfonso, Palazon Sanchez Eugenio Luis, Palazon Sanchez Cesar, Sánchez I Rafael, CorcolesG Virgilio, NoeliaN Recio, Richard O Adamsson, Christian C Rylander, Bernhard Holzgraefe, Lars M Broman, Joanna Wessbergh, Linnea Persson, Fredrik Schiöler, Hans Kedelv, Anna Oscarsson Tibblin, Henrik Appelberg, Lars Hedlund, Johan Helleberg, KarinE Eriksson, Rita Glietsch, Niklas Larsson, Ingela Nygren, SilviaL Nunes, Anna-Karin Morin, Thomas Kander, Anne Adolfsson, HervéO Zender, Corinne Leemann-Refondini, Souheil Elatrous, Slaheddine Bouchoucha, Imed Chouchene, Islem Ouanes, Asma Ben Souissi, Salma Kamoun, Oktay Demirkiran, Mustafa Aker, Emre Erbabacan, Ilkay Ceylan, Nermin Kelebek Girgin, Menekse Ozcelik, Necmettin Ünal, Basak Ceyda Meco, OnatO Akyol, SuleymanS Derman, Barry Kennedy, Ken Parhar, Latha Srinivasa, Danny McAuley, Phil Hopkins, Clare Mellis, Vivek Kakar, Dan Hadfield, Andre Vercueil, Kaushik Bhowmick, Sally K Humphreys, Andrew Ferguson, Raymond Mckee, Ashok S Raj, Danielle A Fawkes, Philip Watt, Linda Twohey, Rajeev R Jha, Matthew Thomas, Alex Morton, Varsha Kadaba, Mark J Smith, Anil P Hormis, Santhana G Kannan, Miriam Namih, Henrik Reschreiter, Julie Camsooksai, Alek Kumar, Szabolcs Rugonfalvi, Christopher Nutt, Orla Oneill, Colette Seasman, Ged Dempsey, ChristopherJ Scott, HelenE Ellis, Stuart Mckechnie, PaulaJ Hutton, Nora N Di Tomasso, Michela N Vitale, Ruth O Griffin, MichaelN Dean, JuliusH Cranshaw, EmmaL Willett, Nicholas Ioannou, Sarah Gillis, Peter Csabi, Rosaleen Macfadyen, Heidi Dawson, PieterD Preez, Alexandra J Williams, Owen Boyd, Laura Ortiz-Ruiz de Gordoa, Jon Bramall, Sophie Symmonds, SimonK Chau, Tim Wenham, Tamas Szakmany, Piroska Toth-Tarsoly, KatieH McCalman, Peter Alexander, Lorraine Stephenson, Thomas Collyer, Rhiannon Chapman, Raphael Cooper, Russell M Allan, Malcolm Sim, David W Wrathall, DonaldA Irvine, Charing Kim S Zantua, John C Adams, Andrew J Burtenshaw, Gareth P Sellors, Ingeborg D Welters, Karen E Williams, Robert J Hessell, Matthew G Oldroyd, Ceri E Battle, Suresh Pillai, Istvan Kajtor, Mageswaran Sivashanmugavel, Sinead C Okane, Adrian Donnelly, Aniko D Frigyik, Jon P Careless, Martin M May, Richard Stewart, T John Trinder, SamanthaJ Hagan, JadeM Cole, Caroline C MacFie, AnnaT Dowling, Nicolás Nin, Edgardo Nuñez, Gustavo Pittini, Ruben Rodriguez, María C Imperio, Cristina Santos, Ana G França, Alejandro Ebeid, Alberto Deicas, Carolina Serra, Aditya Uppalapati, Ghassan Kamel, Valerie M BannerGoodspeed, Jeremy R Beitler, Satyanarayana Reddy Mukkera, Shreedhar Kulkarni, John O Shinn Iii, Dina Gomaa, Christopher Tainter, Jarone Lee, Tomaz Mesar, DaleJ Yeatts, Jessica Warren, MichaelJ Lanspa, Russel R Miller, ColinK Grissom, SamuelM Brown, Philippe R Bauer, Ryan J Gosselin, Barrett T Kitch, Jason E Cohen, Scott H Beegle, Shazia Choudry, Renaud M Gueret, Aiman Tulaimat, William Stigler, Hitesh Batra, Nidhi G Huff, Keith D Lamb, Trevor W Oetting, Nicholas M Mohr, Claine Judy, Shigeki Saito, Fayez M Kheir, Fayez Kheir, Adam B Schlichting, Angela Delsing, Daniel R Crouch, Mary Elmasri, Dina Ismail, Kyle R Dreyer, Thomas C Blakeman, Rebecca M Baro, Peter C Hou, Raghu Seethala, Imo Aisiku, Galen Henderson, Gyorgy Frendl, Sen-Kuang Hou, RobertL Owens, Ashley Schomer, Amado-Rodríguez, Laura, Rodríguez-Garcia, Raquel, Bellani, Giacomo, Pham, Tài, Fan, Eddy, Madotto, Fabiana, Laffey, John G, Albaiceta, Guillermo M, Antonio Pesenti, Laurent Brochard, Andres Esteban, Luciano Gattinoni, Frank van Haren, Anders Larsson, DanielF McAuley, Marco Ranieri, Gordon Rubenfeld, B Taylor Thompson, Hermann Wrigge, Arthur S Slutsky, Fernando Rios, Frank Van Haren, Thierry Sottiaux, Pieter Depuydt, Fredy S Lora, Luciano Cesar Azevedo, Guillermo Bugedo, Haibo Qiu, Marcos Gonzalez, Juan Silesky, Vladimir Cerny, Jonas Nielsen, Manuel Jibaja, Hermann Wrigge, Dimitrios Matamis, Jorge Luis Ranero, Pravin Amin, S M Hashemian, Kevin Clarkson, Kiyoyasu Kurahashi, Asisclo Villagomez, Amine Ali Zeggwagh, Leo M Heunks, Jon Henrik Laake, Jose Emmanuel Palo, Antero do Vale Fernandes, Dorel Sandesc, Yaasen Arabi, Vesna Bumbasierevic, Nicolas Nin, Jose A Lorente, Anders Larsson, Lise Piquilloud, Fekri Abroug, DanielF McAuley, Lia McNamee, Javier Hurtado, Ed Bajwa, Gabriel Démpaire, Hektor Sula, Lordian Nunci, Alma Cani, Alan Zazu, Christian Dellera, Carolina S Insaurralde, Sanatorio Las Lomas, San Isidro, Risso V Alejandro, Julio Daldin, Mauricio Vinzio, Ruben O Fernandez, Luis P Cardonnet, Lisandro R Bettini, Mariano Carboni Bisso, Emilio M Osman, Mariano G Setten, Pablo Lovazzano, Javier Alvarez, Veronica Villar, Norberto C Pozo, Nicolas Grubissich, Gustavo A Plotnikow, Daniela N Vasquez, Santiago Ilutovich, Norberto Tiribelli, Ariel Chena, Carlos A Pellegrini, María G Saenz, Elisa Estenssoro, Matias Brizuela, Hernan Gianinetto, Pablo E Gomez, Valeria I Cerrato, Marco G Bezzi, Silvina A Borello, Flavia A Loiacono, Adriana M Fernandez, Serena Knowles, Claire Reynolds, Deborah M Inskip, Jennene J Miller, Jing Kong, Christina Whitehead, Shailesh Bihari, Aylin Seven, Amanda Krstevski, Helen J Rodgers, Rebecca T Millar, Toni E McKenna, Irene M Bailey, Gabrielle C Hanlon, Anders Aneman, Joan M Lynch, Raman Azad, John Neal, Paul W Woods, Brigit L Roberts, Mark R Kol, Helen S Wong, Katharina C Riss, Thomas Staudinger, Xavier Wittebole, Caroline Berghe, Pierre A Bulpa, Alain M Dive, Rik Verstraete, Herve Lebbinck, Pieter Depuydt, Joris Vermassen, Philippe Meersseman, Helga Ceunen, JonasI Rosa, Daniel O Beraldo, Claudio Piras, Adenilton M Rampinelli, Antonio P Nassar Jr, Sergio Mataloun, Marcelo Moock, MarlusM Thompson, Claudio H Gonçalves, Ana Carolina P Antônio, Aline Ascoli, Rodrigo S Biondi, Danielle C Fontenele, Danielle Nobrega, Vanessa M Sales, Ahmad Yazid BinHJAbul Wahab, Maizatul Ismail, Suresh Shindhe, John Laffey, Francois Beloncle, Kyle G Davies, Rob Cirone, Venika Manoharan, Mehvish Ismail, Ewan C Goligher, Mandeep Jassal, Erin Nishikawa, Areej Javeed, Gerard Curley, Nuttapol Rittayamai, Matteo Parotto, Niall D Ferguson, Sangeeta Mehta, Jenny Knoll, Antoine Pronovost, Sergio Canestrini, Alejandro R Bruhn, Patricio H Garcia, Felipe A Aliaga, Pamela A Farías, Jacob S Yumha, Claudia A Ortiz, Javier E Salas, Alejandro A Saez, Luis D Vega, Eduardo F Labarca, Felipe T Martinez, Nicolás G Carreño, Pilar Lora, Haitao Liu, Haibo Qiu, Ling Liu, Rui Tang, Xiaoming Luo, Youzhong An, Huiying Zhao, Yan Gao, Zhe Zhai, Zheng L Ye, Wei Wang, Wenwen Li, Qingdong Li, Ruiqiang Zheng, Wenkui Yu, Juanhong Shen, Xinyu Li, Tao Yu, Weihua Lu, Ya Q Wu, Xiao B Huang, Zhenyang He, Yuanhua Lu, Hui Han, Fan Zhang, Renhua Sun, Hua X Wang, Shu H Qin, Bao H Zhu, Jun Zhao, Jian Liu, Bin Li, Jing L Liu, Fa C Zhou, Qiong J Li, Xing Y Zhang, Zhou Li-Xin, Qiang Xin-Hua, Liangyan Jiang, Yuan N Gao, Xian Y Zhao, Yuan Y Li, Xiao L Li, Chunting Wang, Qingchun Yao, Rongguo Yu, Kai Chen, Huanzhang Shao, Bingyu Qin, Qing Q Huang, Wei H Zhu, Ai Y Hang, Ma X Hua, Yimin Li, Yonghao Xu, Yu D Di, Long L Ling, Tie H Qin, ShouH Wang, Junping Qin, Yi Han, Suming Zhou, Monica P Vargas, Juan I Silesky Jimenez, Manuel A González Rojas, Jaime E SolisQuesada, ChristianM Ramirez-Alfaro, Jan Máca, Peter Sklienka, Jakob Gjedsted, Aage Christiansen, Jonas Nielsen, BorisG Villamagua, Iguel Llano, Philippe Burtin, Gautier Buzancais, Pascal Beuret, Nicolas Pelletier, Satar Mortaza, Alain Mercat, Jonathan Chelly, Sébastien Jochmans, Nicolas Terzi, Cédric Daubin, Guillaume Carteaux, Nicolas de Prost, Jean-Daniel Chiche, Fabrice Daviaud, Muriel Fartoukh, Guillaume Barberet, Jerome Biehler, Jean Dellamonica, Denis Doyen, Jean-Michel Arnal, Anais Briquet, Sami Hraiech, Laurent Papazian, Arnaud Follin, Damien Roux, Jonathan Messika, Evangelos Kalaitzis, Laurence Dangers, Alain Combes, Gaetan Béduneau, Dorothée Carpentier, Elie H Zogheib, Herve Dupont, Sylvie Ricome, FrancescoL Santoli, Sebastien L Besset, Philippe Michel, Bruno Gelée, Pierre-Eric Danin, Bernard Goubaux, Philippe J Crova, Nga T Phan, Frantz Berkelmans, Julio C Badie, Romain Tapponnier, Josette Gally, Samy Khebbeb, Jean-Etienne Herbrecht, Francis Schneider, PierreLouis M Declercq, Jean-Philippe Rigaud, Jacques Duranteau, Anatole Harrois, Russell Chabanne, Julien Marin, Charlene Bigot, Sandrine Thibault, Mohammed Ghazi, Messabi Boukhazna, Salem Ould Zein, Jack R Richecoeur, DanieleM Combaux, Fabien Grelon, Charlene Le Moal, EliseP Sauvadet, Adrien Robine, Virginie Lemiale, Danielle Reuter, Martin Dres, Alexandre Demoule, Dany Goldgran-Toledano, Loredana Baboi, Claude Guérin, Ralph Lohner, Jens Kraßler, Susanne Schäfer, Kai D Zacharowski, Patrick Meybohm, Andreas W Reske, Philipp Simon, HansBernd F Hopf, Michael Schuetz, Thomas Baltus, Metaxia N Papanikolaou, Theonymfi G Papavasilopoulou, Giannis A Zacharas, Vasilis Ourailogloy, Eleni K Mouloudi, Eleni V Massa, Eva O Nagy, Electra E Stamou, Ellada V Kiourtzieva, Marina A Oikonomou, Luis E Avila, Cesar A Cortez, Johanna E Citalán, Sameer A Jog, Safal D Sable, Bhagyesh Shah, Mohan Gurjar, Arvind K Baronia, Mohammedfaruk Memon, Radhakrishnan Muthuchellappan, Venkatapura J Ramesh, Anitha Shenoy, Ramesh Unnikrishnan, Subhal B Dixit, RachanaV Rhayakar, Nagarajan Ramakrishnan, VallishK Bhardwaj, HeeraL Mahto, Sudha V Sagar, Vijayanand Palaniswamy, Deeban Ganesan, Seyed Mohammadreza Hashemian, Hamidreza Jamaati, Farshad Heidari, Edel A Meaney, Alistair Nichol, Karl M Knapman, Donall O'Croinin, EimhinS Dunne, Dorothy M Breen, Kevin P Clarkson, Rola F Jaafar, Rory Dwyer, Fahd Amir, Olaitan O Ajetunmobi, Aogan C O'Muircheartaigh, ColinS Black, Nuala Treanor, Daniel V Collins, Wahid Altaf, Gianluca Zani, Maurizio Fusari, Savino Spadaro, Carlo A Volta, Romano Graziani, Barbara Brunettini, Salvatore Palmese, Paolo Formenti, Michele Umbrello, Andrea Lombardo, Elisabetta Pecci, Marco Botteri, Monica Savioli, Alessandro Protti, Alessia Mattei, Lorenzo Schiavoni, Andrea Tinnirello, Manuel Todeschini, Antonino Giarratano, Andrea Cortegiani, Sara Sher, Anna Rossi, Massimo M Antonelli, Luca M Montini, Paolo Casalena, Sergio Scafetti, Giovanna Panarello, Giovanna Occhipinti, Nicolò Patroniti, Matteo Pozzi, RobertoR Biscione, Michela M Poli, Ferdinando Raimondi, Daniela Albiero, Giulia Crapelli, Eduardo Beck, Vincenzo Pota, Vincenzo Schiavone, Alexandre Molin, Fabio Tarantino, Giacomo Monti, Elena Frati, Lucia Mirabella, Gilda Cinnella, Tommaso Fossali, Riccardo Colombo, Pierpaolo Terragni, Ilaria Pattarino, Francesco Mojoli, Antonio Braschi, Erika E Borotto, Andrea N Cracchiolo, Daniela M Palma, Francesco Raponi, Giuseppe Foti, EttoreR Vascotto, Andrea Coppadoro, Luca Brazzi, Leda Floris, Giorgio A Iotti, Aaron Venti, Osamu Yamaguchi, Shunsuke Takagi, Hiroki N Maeyama, Eizo Watanabe, Yoshihiro Yamaji, Kazuyoshi Shimizu, Kyoko Shiozaki, Satoru Futami, Sekine Ryosuke, Koji Saito, Yoshinobu Kameyama, Keiko Ueno, Masayo Izawa, Nao Okuda, Hiroyuki Suzuki, Tomofumi Harasawa, Michitaka Nasu, Tadaaki Takada, Fumihito Ito, Shin Nunomiya, Kansuke Koyama, Toshikazu Abe, Kohkichi Andoh, Kohei Kusumoto, Akira Hirata, Akihiro Takaba, Hiroyasu Kimura, Shuhei Matsumoto, Ushio Higashijima, Hiroyuki Honda, Nobumasa Aoki, Hiroshi Imai, Yasuaki Ogino, Ichiko Mizuguchi, Kazuya Ichikado, Kenichi Nitta, Katsunori Mochizuki, Tomoaki Hashida, Hiroyuki Tanaka, Tomoyuki Nakamura, Daisuke Niimi, Takeshi Ueda, Yozo Kashiwa, Akinori Uchiyama, Olegs Sabelnikovs, Peteris Oss, Youssef Haddad, Kong Y Liew, Silvio A Ñamendys-Silva, YvesD Jarquin-Badiola, Luis A Sanchez-Hurtado, Saira S Gomez-Flores, Maria C Marin, AsiscloJ Villagomez, Jordana S Lemus, Jonathan M Fierro, Mavy Ramirez Cervantes, Francisco Javier Flores Mejia, Dulce Dector, Alejandro Rojas, Daniel R Gonzalez, Claudia R Estrella, Jorge R Sanchez-Medina, Alvaro Ramirez-Gutierrez, Fernando G George, Janet S Aguirre, Juan A Buensuseso, Manuel Poblano, Tarek Dendane, Amine Ali Zeggwagh, Hicham Balkhi, Mina Elkhayari, Nacer Samkaoui, Hanane Ezzouine, Abdellatif Benslama, Mourad Amor, Wajdi Maazouzi, Nedim Cimic, Oliver Beck, Monique M Bruns, Jeroen A Schouten, Myra Rinia, Monique Raaijmakers, Leo M Heunks, Hellen M Van Wezel, SergeJ Heines, Ulrich Strauch, Marc P Buise, Fabienne D Simonis, Marcus J Schultz, Jennifer C Goodson, Troy S Browne, Leanlove Navarra, Anna Hunt, Robyn A Hutchison, Mathew B Bailey, Lynette Newby, Colin McArthur, Michael Kalkoff, Alex Mcleod, Jonathan Casement, DanielleJ Hacking, Finn H Andersen, Merete S Dolva, Jon H Laake, Andreas Barratt-Due, Kim Andre L Noremark, Eldar Søreide, BritÅ Sjøbø, AnneB Guttormsen, Hector H LeonYoshido, Ronald Zumaran Aguilar, Fredy A Montes Oscanoa, Alain U Alisasis, Joanne B Robles, Rossini Abbie B Pasanting-Lim, Beatriz C Tan, Pawel Andruszkiewicz, Karina Jakubowska, Cristina M Coxo, António M Alvarez, Bruno S Oliveira, Gustavo M Montanha, Nelson C Barros, Carlos S Pereira, António M Messias, Jorge M Monteiro, AnaM Araujo, NunoT Catorze, Susan M Marum, Maria J Bouw, Rui M Gomes, Vania A Brito, Silvia Castro, Joana M Estilita, Filipa M Barros, IsabelM Serra, Aurelia M Martinho, Dana R Tomescu, Alexandra Marcu, Ovidiu H Bedreag, Marius Papurica, Dan E Corneci, Silvius Ioan Negoita, Evgeny Grigoriev, Alexey I Gritsan, Andrey A Gazenkampf, Ghaleb Almekhlafi, Mohamad M Albarrak, Ghanem M Mustafa, Khalid A Maghrabi, Nawal Salahuddin, Tharwat M Aisa, AhmedS AlJabbary, Edgardo Tabhan, YaseenM Arabi, Yaseen M Arabi, Olivia A Trinidad, Hasan M Al Dorzi, Edgardo E Tabhan, Vesna Bumbasirevic, Bojan Jovanovic, Stefan Bolon, Oliver Smith, Jordi Mancebo, Hernan Aguirre-Bermeo, JuanC Lopez-Delgado, Francisco Esteve, Gemma Rialp, Catalina Forteza, Candelaria De Haro, Antonio Artigas, GuillermoM Albaiceta, Sara De Cima-Iglesias, Leticia Seoane-Quiroga, Alexandra Ceniceros-Barros, AntonioL RuizAguilar, LuisM Claraco-Vega, Juan Alfonso Soler, Maria Del CarmenLorente, Cecilia Hermosa, Federico Gordo, Miryam PrietoGonzález, JuanB López-Messa, ManuelP Perez, CesarP Perez, Raquel Montoiro Allue, Ferran RocheCampo, Marcos Ibañez-Santacruz, Susana Temprano, Maria C Pintado, Raul De Pablo, Pilar Ricart Aroa Gómez, Silvia Rodriguez Ruiz, Silvia Iglesias Moles, M Teresa Jurado, Alfons Arizmendi, Enrique A Piacentini, Nieves Franco, Teresa Honrubia, Meisy Perez Cheng, Elena Perez Losada, Javier Blanco, Luis J Yuste, Cecilia Carbayo-Gorriz, Francisca G Cazorla-Barranquero, Javier G Alonso, Rosa S Alda, Ángela Algaba, Gonzalo Navarro, Enrique Cereijo, Esther Diaz-Rodriguez, Diego Pastor Marcos, Laura Alvarez Montero, Luis Herrera Para, Roberto Jimenez Sanchez, Miguel Angel Blasco Navalpotro, Ricardo Diaz Abad, Raquel Montiel González, Dácil Parrilla Toribio, Alejandro G Castro, Maria Jose D Artiga, Oscar Penuelas, Tomas P Roser, Moreno F Olga, Elena Gallego Curto, Rocío Manzano Sánchez, Vallverdu P Imma, Garcia M Elisabet, Laura Claverias, Monica Magret, Ana M Pellicer, Lucia L Rodriguez, Jesús Sánchez-Ballesteros, Ángela González-Salamanca, AntonioG Jimenez, FranciscoP Huerta, Juan Carlos J Sotillo Diaz, Esther Bermejo Lopez, David D Llinares Moya, Alec A Tallet Alfonso, Palazon Sanchez Eugenio Luis, Palazon Sanchez Cesar, Sánchez I Rafael, CorcolesG Virgilio, NoeliaN Recio, Richard O Adamsson, Christian C Rylander, Bernhard Holzgraefe, Lars M Broman, Joanna Wessbergh, Linnea Persson, Fredrik Schiöler, Hans Kedelv, Anna Oscarsson Tibblin, Henrik Appelberg, Lars Hedlund, Johan Helleberg, KarinE Eriksson, Rita Glietsch, Niklas Larsson, Ingela Nygren, SilviaL Nunes, Anna-Karin Morin, Thomas Kander, Anne Adolfsson, HervéO Zender, Corinne Leemann-Refondini, Souheil Elatrous, Slaheddine Bouchoucha, Imed Chouchene, Islem Ouanes, Asma Ben Souissi, Salma Kamoun, Oktay Demirkiran, Mustafa Aker, Emre Erbabacan, Ilkay Ceylan, Nermin Kelebek Girgin, Menekse Ozcelik, Necmettin Ünal, Basak Ceyda Meco, OnatO Akyol, SuleymanS Derman, Barry Kennedy, Ken Parhar, Latha Srinivasa, Lia McNamee, Danny McAuley, Phil Hopkins, Clare Mellis, Vivek Kakar, Dan Hadfield, Andre Vercueil, Kaushik Bhowmick, Sally K Humphreys, Andrew Ferguson, Raymond Mckee, Ashok S Raj, Danielle A Fawkes, Philip Watt, Linda Twohey, Rajeev R Jha, Matthew Thomas, Alex Morton, Varsha Kadaba, Mark J Smith, Anil P Hormis, Santhana G Kannan, Miriam Namih, Henrik Reschreiter, Julie Camsooksai, Alek Kumar, Szabolcs Rugonfalvi, Christopher Nutt, Orla Oneill, Colette Seasman, Ged Dempsey, ChristopherJ Scott, HelenE Ellis, Stuart Mckechnie, PaulaJ Hutton, Nora N Di Tomasso, Michela N Vitale, Ruth O Griffin, MichaelN Dean, JuliusH Cranshaw, EmmaL Willett, Nicholas Ioannou, Sarah Gillis, Peter Csabi, Rosaleen Macfadyen, Heidi Dawson, PieterD Preez, Alexandra J Williams, Owen Boyd, Laura Ortiz-Ruiz de Gordoa, Jon Bramall, Sophie Symmonds, SimonK Chau, Tim Wenham, Tamas Szakmany, Piroska Toth-Tarsoly, KatieH McCalman, Peter Alexander, Lorraine Stephenson, Thomas Collyer, Rhiannon Chapman, Raphael Cooper, Russell M Allan, Malcolm Sim, David W Wrathall, DonaldA Irvine, Charing Kim S Zantua, John C Adams, Andrew J Burtenshaw, Gareth P Sellors, Ingeborg D Welters, Karen E Williams, Robert J Hessell, Matthew G Oldroyd, Ceri E Battle, Suresh Pillai, Istvan Kajtor, Mageswaran Sivashanmugavel, Sinead C Okane, Adrian Donnelly, Aniko D Frigyik, Jon P Careless, Martin M May, Richard Stewart, T John Trinder, SamanthaJ Hagan, JadeM Cole, Caroline C MacFie, AnnaT Dowling, Javier Hurtado, Nicolás Nin, Javier Hurtado, Edgardo Nuñez, Gustavo Pittini, Ruben Rodriguez, María C Imperio, Cristina Santos, Ana G França, Alejandro Ebeid, Alberto Deicas, Carolina Serra, Aditya Uppalapati, Ghassan Kamel, Valerie M BannerGoodspeed, Jeremy R Beitler, Satyanarayana Reddy Mukkera, Shreedhar Kulkarni, John O Shinn Iii, Dina Gomaa, Christopher Tainter, Jarone Lee, Tomaz Mesar, DaleJ Yeatts, Jessica Warren, MichaelJ Lanspa, Russel R Miller, ColinK Grissom, SamuelM Brown, Philippe R Bauer, Ryan J Gosselin, Barrett T Kitch, Jason E Cohen, Scott H Beegle, Shazia Choudry, Renaud M Gueret, Aiman Tulaimat, William Stigler, Hitesh Batra, Nidhi G Huff, Keith D Lamb, Trevor W Oetting, Nicholas M Mohr, Claine Judy, Shigeki Saito, Fayez M Kheir, Fayez Kheir, Adam B Schlichting, Angela Delsing, Daniel R Crouch, Mary Elmasri, Daniel R Crouch, Dina Ismail, Kyle R Dreyer, Thomas C Blakeman, Dina Gomaa, Rebecca M Baro, Peter C Hou, Raghu Seethala, Imo Aisiku, Galen Henderson, Gyorgy Frendl, Sen-Kuang Hou, RobertL Owens, Ashley Schomer, Intensive Care Medicine, ACS - Pulmonary hypertension & thrombosis, AII - Inflammatory diseases, ACS - Diabetes & metabolism, ACS - Microcirculation, Albaiceta, Guillermo, M, Pesenti, Antonio, Brochard, Laurent, Esteban, Andre, Gattinoni, Luciano, van Haren, Frank, Larsson, Ander, Mcauley, Danielf, Ranieri, Marco, Rubenfeld, Gordon, Taylor Thompson, B., Wrigge, Hermann, Slutsky, Arthur S., Rios, Fernando, Van Haren, Frank, Sottiaux, Thierry, Depuydt, Pieter, Lora, Fredy S., Azevedo, Luciano Cesar, Bugedo, Guillermo, Qiu, Haibo, Gonzalez, Marco, Silesky, Juan, Cerny, Vladimir, Nielsen, Jona, Jibaja, Manuel, Matamis, Dimitrio, Ranero, Jorge Lui, Amin, Pravin, Hashemian, S. 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Tallet, Luis, Palazon Sanchez Eugenio, Cesar, Palazon Sanchez, Rafael, Sánchez I., Virgilio, Corcolesg, Recio, Noelian, Adamsson, Richard O., Rylander, Christian C., Holzgraefe, Bernhard, Broman, Lars M, Wessbergh, Joanna, Persson, Linnea, Schiöler, Fredrik, Kedelv, Han, Tibblin, Anna Oscarsson, Appelberg, Henrik, Hedlund, Lar, Helleberg, Johan, Eriksson, Karine, Glietsch, Rita, Larsson, Nikla, Nygren, Ingela, Nunes, Silvial, Morin, Anna-Karin, Kander, Thoma, Adolfsson, Anne, Zender, Hervéo, Leemann-Refondini, Corinne, Elatrous, Souheil, Bouchoucha, Slaheddine, Chouchene, Imed, Ouanes, Islem, Souissi, Asma Ben, Kamoun, Salma, Demirkiran, Oktay, Aker, Mustafa, Erbabacan, Emre, Ceylan, Ilkay, Girgin, Nermin Kelebek, Ozcelik, Menekse, Ünal, Necmettin, Meco, Basak Ceyda, Akyol, Onato, Derman, Suleyman, Kennedy, Barry, Parhar, Ken, Srinivasa, Latha, Mcauley, Danny, Hopkins, Phil, Mellis, Clare, Kakar, Vivek, Hadfield, Dan, Vercueil, Andre, Bhowmick, Kaushik, Humphreys, Sally K., Ferguson, Andrew, Mckee, Raymond, Raj, Ashok S., Fawkes, Danielle A., Watt, Philip, Twohey, Linda, Jha, Rajeev R., Thomas, Matthew, Morton, Alex, Kadaba, Varsha, Smith, Mark J., Hormis, Anil P., Kannan, Santhana G., Namih, Miriam, Reschreiter, Henrik, Camsooksai, Julie, Kumar, Alek, Rugonfalvi, Szabolc, Nutt, Christopher, Oneill, Orla, Seasman, Colette, Dempsey, Ged, Scott, Christopherj, Ellis, Helene, Mckechnie, Stuart, Hutton, Paulaj, Di Tomasso, Nora N., Vitale, Michela N., Griffin, Ruth O., Dean, Michaeln, Cranshaw, Juliush, Willett, Emmal, Ioannou, Nichola, Gillis, Sarah, Csabi, Peter, Macfadyen, Rosaleen, Dawson, Heidi, Preez, Pieterd, Williams, Alexandra J, Boyd, Owen, de Gordoa, Laura Ortiz-Ruiz, Bramall, Jon, Symmonds, Sophie, Chau, Simonk, Wenham, Tim, Szakmany, Tama, Toth-Tarsoly, Piroska, Mccalman, Katieh, Alexander, Peter, Stephenson, Lorraine, Collyer, Thoma, Chapman, Rhiannon, Cooper, Raphael, Allan, Russell M, Sim, Malcolm, Wrathall, David W, Irvine, Donalda, Zantua, Charing Kim S., Adams, John C., Burtenshaw, Andrew J., Sellors, Gareth P., Welters, Ingeborg D., Williams, Karen E., Hessell, Robert J., Oldroyd, Matthew G., Battle, Ceri E., Pillai, Suresh, Kajtor, Istvan, Sivashanmugavel, Mageswaran, Okane, Sinead C., Donnelly, Adrian, Frigyik, Aniko D., Careless, Jon P., May, Martin M, Stewart, Richard, Trinder, T. John, Hagan, Samanthaj, Cole, Jadem, Macfie, Caroline C., Dowling, Annat, Nin, Nicolá, Nuñez, Edgardo, Pittini, Gustavo, Rodriguez, Ruben, Imperio, María C., Santos, Cristina, França, Ana G, Ebeid, Alejandro, Deicas, Alberto, Serra, Carolina, Uppalapati, Aditya, Kamel, Ghassan, Bannergoodspeed, Valerie M., Beitler, Jeremy R., Mukkera, Satyanarayana Reddy, Kulkarni, Shreedhar, Shinn III, John O., Gomaa, Dina, Tainter, Christopher, Lee, Jarone, Mesar, Tomaz, Yeatts, Dalej, Warren, Jessica, Lanspa, Michaelj, Miller, Russel R., Grissom, Colink, Brown, Samuelm, Bauer, Philippe R., Gosselin, Ryan J., Kitch, Barrett T., Cohen, Jason E., Beegle, Scott H., Choudry, Shazia, Gueret, Renaud M., Tulaimat, Aiman, Stigler, William, Batra, Hitesh, Huff, Nidhi G., Lamb, Keith D., Oetting, Trevor W., Mohr, Nicholas M., Judy, Claine, Saito, Shigeki, Kheir, Fayez M., Kheir, Fayez, Schlichting, Adam B., Delsing, Angela, Crouch, Daniel R., Elmasri, Mary, Ismail, Dina, Dreyer, Kyle R., Blakeman, Thomas C., Baro, Rebecca M., Hou, Peter C., Seethala, Raghu, Aisiku, Imo, Henderson, Galen, Frendl, Gyorgy, Hou, Sen-Kuang, Owens, Robertl, Schomer, Ashley, Amado-Rodríguez, L, Rodríguez-Garcia, R, Bellani, G, Pham, T, Fan, E, Madotto, F, Laffey, J, and Albaiceta, G

Subjects
Ventilator-induced lung injury, Cardiogenic pulmonary edema, Driving pressure, Mechanical ventilation, lnfectious Diseases and Global Health Radboud Institute for Health Sciences [Radboudumc 4], Settore MED/41 - ANESTESIOLOGIA, Critical Care and Intensive Care Medicine
Abstract

Supported by Centro de Investigación Biomédica en Red (CIBER)‑Enfermedades respiratorias, Madrid, Spain (CB17/06/00021) and Fundación para el Fomento en Asturias de la Investigación Científica aplicada y la tecnología (FICYT, AYUD2021/52014). RRG is the recipient of a grant from Instituto de Salud Carlos III, Madrid, Spain (CM20/00083)., Amado-Rodríguez L., Rodríguez-Garcia R., Bellani G., Pham T., Fan E., Madotto F., Laffey J.G., Albaiceta G.M., Pesenti A., Brochard L., Esteban A., Gattinoni L., van Haren F., Larsson A., McAuley D.F., Ranieri M., Rubenfeld G., Taylor Thompson B., Wrigge H., Slutsky A.S., Rios F., Van Haren F., Sottiaux T., Depuydt P., Lora F.S., Azevedo L.C., Bugedo G., Qiu H., Gonzalez M., Silesky J., Cerny V., Nielsen J., Jibaja M., Wrigge H., Matamis D., Ranero J.L., Amin P., Hashemian S.M., Clarkson K., Kurahashi K., Villagomez A., Zeggwagh A.A., Heunks L.M., Laake J.H., Palo J.E., do Vale Fernandes A., Sandesc D., Arabi Y.M., Bumbasierevic V., Nin N., Lorente J.A., Larsson A., Piquilloud L., Abroug F., McAuley D.F., McNamee L., Hurtado J., Bajwa E., Démpaire G., Sula H., Nunci L., Cani A., Zazu A., Dellera C., Insaurralde C.S., Las Lomas S., Isidro S., Alejandro R.V., Daldin J., Vinzio M., Fernandez R.O., Cardonnet L.P., Bettini L.R., Bisso M.C., Osman E.M., Setten M.G., Lovazzano P., Alvarez J., Villar V., Pozo N.C., Grubissich N., Plotnikow G.A., Vasquez D.N., Ilutovich S., Tiribelli N., Chena A., Pellegrini C.A., Saenz M.G., Estenssoro E., Brizuela M., Gianinetto H., Gomez P.E., Cerrato V.I., Bezzi M.G., Borello S.A., Loiacono F.A., Fernandez A.M., Knowles S., Reynolds C., Inskip D.M., Miller J.J., Kong J., Whitehead C., Bihari S., Seven A., Krstevski A., Rodgers H.J., Millar R.T., McKenna T.E., Bailey I.M., Hanlon G.C., Aneman A., Lynch J.M., Azad R., Neal J., Woods P.W., Roberts B.L., Kol M.R., Wong H.S., Riss K.C., Staudinger T., Wittebole X., Berghe C., Bulpa P.A., Dive A.M., Verstraete R., Lebbinck H., Depuydt P., Vermassen J., Meersseman P., Ceunen H., Rosa J.I., Beraldo D.O., Piras C., Rampinelli A.M., Nassar Jr A.P., Mataloun S., Moock M., Thompson M.M., Gonçalves C.H., Antônio A.C.P., Ascoli A., Biondi R.S., Fontenele D.C., Nobrega D., Sales V.M., BinHJAbul Wahab A.Y., Ismail M., Shindhe S., Laffey J., Beloncle F., Davies K.G., Cirone R., Manoharan V., Ismail M., Goligher E.C., Jassal M., Nishikawa E., Javeed A., Curley G., Rittayamai N., Parotto M., Ferguson N.D., Mehta S., Knoll J., Pronovost A., Canestrini S., Bruhn A.R., Garcia P.H., Aliaga F.A., Farías P.A., Yumha J.S., Ortiz C.A., Salas J.E., Saez A.A., Vega L.D., Labarca E.F., Martinez F.T., Carreño N.G., Lora P., Liu H., Qiu H., Liu L., Tang R., Luo X., An Y., Zhao H., Gao Y., Zhai Z., Ye Z.L., Wang W., Li W., Li Q., Zheng R., Yu W., Shen J., Li X., Yu T., Lu W., Wu Y.Q., Huang X.B., He Z., Lu Y., Han H., Zhang F., Sun R., Wang H.X., Qin S.H., Zhu B.H., Zhao J., Liu J., Li B., Liu J.L., Zhou F.C., Li Q.J., Zhang X.Y., Li-Xin Z., Xin-Hua Q., Jiang L., Gao Y.N., Zhao X.Y., Li Y.Y., Li X.L., Wang C., Yao Q., Yu R., Chen K., Shao H., Qin B., Huang Q.Q., Zhu W.H., Hang A.Y., Hua M.X., Li Y., Xu Y., Di Y.D., Ling L.L., Qin T.H., Wang S.H., Qin J., Han Y., Zhou S., Vargas M.P., Jimenez J.I.S., Rojas M.A.G., SolisQuesada J.E., Ramirez-Alfaro C.M., Máca J., Sklienka P., Gjedsted J., Christiansen A., Nielsen J., Villamagua B.G., Llano I., Burtin P., Buzancais G., Beuret P., Pelletier N., Mortaza S., Mercat A., Chelly J., Jochmans S., Terzi N., Daubin C., Carteaux G., de Prost N., Chiche J.-D., Daviaud F., Fartoukh M., Barberet G., Biehler J., Dellamonica J., Doyen D., Arnal J.-M., Briquet A., Hraiech S., Papazian L., Follin A., Roux D., Messika J., Kalaitzis E., Dangers L., Combes A., Béduneau G., Carpentier D., Zogheib E.H., Dupont H., Ricome S., Santoli F.L., Besset S.L., Michel P., Gelée B., Danin P.-E., Goubaux B., Crova P.J., Phan N.T., Berkelmans F., Badie J.C., Tapponnier R., Gally J., Khebbeb S., Herbrecht J.-E., Schneider F., Declercq P.L.M., Rigaud J.-P., Duranteau J., Harrois A., Chabanne R., Marin J., Bigot C., Thibault S., Ghazi M., Boukhazna M., Zein S.O., Richecoeur J.R., Combaux D.M., Grelon F., Le Moal C., Sauvadet E.P., Robine A., Lemiale V., Reuter D., Dres M., Demoule A., Goldgran-Toledano D., Baboi L., Guérin C., Lohner R., Kraßler J., Schäfer S., Zacharowski K.D., Meybohm P., Reske A.W., Simon P., Hopf H.B.F., Schuetz M., Baltus T., Papanikolaou M.N., Papavasilopoulou T.G., Zacharas G.A., Ourailogloy V., Mouloudi E.K., Massa E.V., Nagy E.O., Stamou E.E., Kiourtzieva E.V., Oikonomou M.A., Avila L.E., Cortez C.A., Citalán J.E., Jog S.A., Sable S.D., Shah B., Gurjar M., Baronia A.K., Memon M., Muthuchellappan R., Ramesh V.J., Shenoy A., Unnikrishnan R., Dixit S.B., Rhayakar R.V., Ramakrishnan N., Bhardwaj V.K., Mahto H.L., Sagar S.V., Palaniswamy V., Ganesan D., Jamaati H., Heidari F., Meaney E.A., Nichol A., Knapman K.M., O’Croinin D., Dunne E.S., Breen D.M., Jaafar R.F., Dwyer R., Amir F., Ajetunmobi O.O., O’Muircheartaigh A.C., Black C.S., Treanor N., Collins D.V., Altaf W., Zani G., Fusari M., Spadaro S., Volta C.A., Graziani R., Brunettini B., Palmese S., Formenti P., Umbrello M., Lombardo A., Pecci E., Botteri M., Savioli M., Protti A., Mattei A., Schiavoni L., Tinnirello A., Todeschini M., Giarratano A., Cortegiani A., Sher S., Rossi A., Antonelli M.M., Montini L.M., Casalena P., Scafetti S., Panarello G., Occhipinti G., Patroniti N., Pozzi M., Biscione R.R., Poli M.M., Raimondi F., Albiero D., Crapelli G., Beck E., Pota V., Schiavone V., Molin A., Tarantino F., Monti G., Frati E., Mirabella L., Cinnella G., Fossali T., Colombo R., Terragni P., Pattarino I., Mojoli F., Braschi A., Borotto E.E., Cracchiolo A.N., Palma D.M., Raponi F., Foti G., Vascotto E.R., Coppadoro A., Brazzi L., Floris L., Iotti G.A., Venti A., Yamaguchi O., Takagi S., Maeyama H.N., Watanabe E., Yamaji Y., Shimizu K., Shiozaki K., Futami S., Ryosuke S., Saito K., Kameyama Y., Ueno K., Izawa M., Okuda N., Suzuki H., Harasawa T., Nasu M., Takada T., Ito F., Nunomiya S., Koyama K., Abe T., Andoh K., Kusumoto K., Hirata A., Takaba A., Kimura H., Matsumoto S., Higashijima U., Honda H., Aoki N., Imai H., Ogino Y., Mizuguchi I., Ichikado K., Nitta K., Mochizuki K., Hashida T., Tanaka H., Nakamura T., Niimi D., Ueda T., Kashiwa Y., Uchiyama A., Sabelnikovs O., Oss P., Haddad Y., Liew K.Y., Ñamendys-Silva S.A., Jarquin-Badiola Y.D., Sanchez-Hurtado L.A., Gomez-Flores S.S., Marin M.C., Lemus J.S., Fierro J.M., Cervantes M.R., Mejia F.J.F., Dector D., Rojas A., Gonzalez D.R., Estrella C.R., Sanchez-Medina J.R., Ramirez-Gutierrez A., George F.G., Aguirre J.S., Buensuseso J.A., Poblano M., Dendane T., Zeggwagh A.A., Balkhi H., Elkhayari M., Samkaoui N., Ezzouine H., Benslama A., Amor M., Maazouzi W., Cimic N., Beck O., Bruns M.M., Schouten J.A., Rinia M., Raaijmakers M., Heunks L.M., Van Wezel H.M., Heines S.J., Strauch U., Buise M.P., Simonis F.D., Schultz M.J., Goodson J.C., Browne T.S., Navarra L., Hunt A., Hutchison R.A., Bailey M.B., Newby L., McArthur C., Kalkoff M., Mcleod A., Casement J., Hacking D.J., Andersen F.H., Dolva M.S., Laake J.H., Barratt-Due A., Noremark K.A.L., Søreide E., Sjøbø B.Å., Guttormsen A.B., LeonYoshido H.H., Aguilar R.Z., Oscanoa F.A.M., Alisasis A.U., Robles J.B., Pasanting-Lim R.A.B., Tan B.C., Andruszkiewicz P., Jakubowska K., Coxo C.M., Alvarez A.M., Oliveira B.S., Montanha G.M., Barros N.C., Pereira C.S., Messias A.M., Monteiro J.M., Araujo A.M., Catorze N.T., Marum S.M., Bouw M.J., Gomes R.M., Brito V.A., Castro S., Estilita J.M., Barros F.M., Serra I.M., Martinho A.M., Tomescu D.R., Marcu A., Bedreag O.H., Papurica M., Corneci D.E., Negoita S.I., Grigoriev E., Gritsan A.I., Gazenkampf A.A., Almekhlafi G., Albarrak M.M., Mustafa G.M., Maghrabi K.A., Salahuddin N., Aisa T.M., AlJabbary A.S., Tabhan E., Trinidad O.A., Al Dorzi H.M., Bumbasirevic V., Jovanovic B., Bolon S., Smith O., Mancebo J., Aguirre-Bermeo H., Lopez-Delgado J.C., Esteve F., Rialp G., Forteza C., De Haro C., Artigas A., Albaiceta G.M., De Cima-Iglesias S., Seoane-Quiroga L., Ceniceros-Barros A., RuizAguilar A.L., Claraco-Vega L.M., Soler J.A., del CarmenLorente M., Hermosa C., Gordo F., PrietoGonzález M., López-Messa J.B., Perez M.P., Perez C.P., Allue R.M., RocheCampo F., Ibañez-Santacruz M., Temprano S., Pintado M.C., De Pablo R., Gómez P.R.A., Ruiz S.R., Moles S.I., Jurado M.T., Arizmendi A., Piacentini E.A., Franco N., Honrubia T., Cheng M.P., Losada E.P., Blanco J., Yuste L.J., Carbayo-Gorriz C., Cazorla-Barranquero F.G., Alonso J.G., Alda R.S., Algaba Á., Navarro G., Cereijo E., Diaz-Rodriguez E., Marcos D.P., Montero L.A., Para L.H., Sanchez R.J., Navalpotro M.A.B., Abad R.D., González R.M., Toribio D.P., Castro A.G., Artiga M.J.D., Penuelas O., Roser T.P., Olga M.F., Curto E.G., Sánchez R.M., Imma V.P., Elisabet G.M., Claverias L., Magret M., Pellicer A.M., Rodriguez L.L., Sánchez-Ballesteros J., González-Salamanca Á., Jimenez A.G., Huerta F.P., Diaz J.C.J.S., Lopez E.B., Moya D.D.L., Alfonso A.A.T., Luis P.S.E., Cesar P.S., Rafael S.I., Virgilio C.G., Recio N.N., Adamsson R.O., Rylander C.C., Holzgraefe B., Broman L.M., Wessbergh J., Persson L., Schiöler F., Kedelv H., Tibblin A.O., Appelberg H., Hedlund L., Helleberg J., Eriksson K.E., Glietsch R., Larsson N., Nygren I., Nunes S.L., Morin A.-K., Kander T., Adolfsson A., Zender H.O., Leemann-Refondini C., Elatrous S., Bouchoucha S., Chouchene I., Ouanes I., Souissi A.B., Kamoun S., Demirkiran O., Aker M., Erbabacan E., Ceylan I., Girgin N.K., Ozcelik M., Ünal N., Meco B.C., Akyol O.O., Derman S.S., Kennedy B., Parhar K., Srinivasa L., McNamee L., McAuley D., Hopkins P., Mellis C., Kakar V., Hadfield D., Vercueil A., Bhowmick K., Humphreys S.K., Ferguson A., Mckee R., Raj A.S., Fawkes D.A., Watt P., Twohey L., Jha R.R., Thomas M., Morton A., Kadaba V., Smith M.J., Hormis A.P., Kannan S.G., Namih M., Reschreiter H., Camsooksai J., Kumar A., Rugonfalvi S., Nutt C., Oneill O., Seasman C., Dempsey G., Scott C.J., Ellis H.E., Mckechnie S., Hutton P.J., Di Tomasso N.N., Vitale M.N., Griffin R.O., Dean M.N., Cranshaw J.H., Willett E.L., Ioannou N., Gillis S., Csabi P., Macfadyen R., Dawson H., Preez P.D., Williams A.J., Boyd O., de Gordoa L.O.-R., Bramall J., Symmonds S., Chau S.K., Wenham T., Szakmany T., Toth-Tarsoly P., McCalman K.H., Alexander P., Stephenson L., Collyer T., Chapman R., Cooper R., Allan R.M., Sim M., Wrathall D.W., Irvine D.A., Zantua C.K.S., Adams J.C., Burtenshaw A.J., Sellors G.P., Welters I.D., Williams K.E., Hessell R.J., Oldroyd M.G., Battle C.E., Pillai S., Kajtor I., Sivashanmugavel M., Okane S.C., Donnelly A., Frigyik A.D., Careless J.P., May M.M., Stewart R., Trinder T.J., Hagan S.J., Cole J.M., MacFie C.C., Dowling A.T., Hurtado J., Nin N., Hurtado J., Nuñez E., Pittini G., Rodriguez R., Imperio M.C., Santos C., França A.G., Ebeid A., Deicas A., Serra C., Uppalapati A., Kamel G., BannerGoodspeed V.M., Beitler J.R., Mukkera S.R., Kulkarni S., Shinn III J.O., Gomaa D., Tainter C., Lee J., Mesar T., Yeatts D.J., Warren J., Lanspa M.J., Miller R.R., Grissom C.K., Brown S.M., Bauer P.R., Gosselin R.J., Kitch B.T., Cohen J.E., Beegle S.H., Choudry S., Gueret R.M., Tulaimat A., Stigler W., Batra H., Huff N.G., Lamb K.D., Oetting T.W., Mohr N.M., Judy C., Saito S., Kheir F.M., Kheir F., Schlichting A.B., Delsing A., Crouch D.R., Elmasri M., Crouch D.R., Ismail D., Dreyer K.R., Blakeman T.C., Baro R.M., Hou P.C., Seethala R., Aisiku I., Henderson G., Frendl G., Hou S.-K., Owens R.L., Schomer A.

Published
2022

43. Rethinking ARDS After COVID-19. If a 'Better' Definition Is the Answer, What Is the Question?

Author

V Marco, Ranieri, Gordon, Rubenfeld, and Arthur S, Slutsky

Abstract

The definition of the acute respiratory distress syndrome (ARDS) has a somewhat controversial history, with some even questioning the need for the term ARDS. This controversy has been amplified by the COVID-19 pandemic given the marked increase in the incidence of ARDS, the relatively new treatment modalities which do not fit neatly with the Berlin definition, and the difficulty in resource-limited settings in making the diagnosis. We propose that attempts to revise the definition of ARDS should apply the framework originally developed by psychologists and social scientists and used by other medical disciplines to generate and assess definitions of clinical syndromes that do not have gold standards. This framework is structured around measures of reliability, feasibility, and validity. Future revisions of the definition of ARDS should contain: the purpose, the methodology, and the framework for empirically testing any proposed definition. Attempts to revise critical illness syndromes' definitions usually hope to make them "better"; our recommendation is that future attempts use the same criteria used by other fields in defining what "better" means. This article is open access and distributed under the terms of the Creative Commons Attribution Non-Commercial No Derivatives License 4.0 (http://creativecommons.org/licenses/by-nc-nd/4.0/).

Published
2022

45. Mechanical circulatory support in the treatment of cardiogenic shock

Author

Shannon M. Fernando, Susanna Price, Rebecca Mathew, Arthur S. Slutsky, Alain Combes, and Daniel Brodie

Subjects
Extracorporeal Membrane Oxygenation, Intra-Aortic Balloon Pumping, Treatment Outcome, Heart Ventricles, Shock, Cardiogenic, Humans, Heart-Assist Devices, Critical Care and Intensive Care Medicine
Abstract

Cardiogenic shock is a condition that is characterized by end-organ hypoperfusion secondary to reduced cardiac output, and is associated with substantial mortality. The mainstay of therapy for cardiogenic shock is reversal of the underlying cause, and concomitant supportive care with vasoactive medications (vasopressors and inotropes). Patients who continue to deteriorate despite these measures may require mechanical circulatory support (MCS). Here, we review the devices available for MCS, and their associated benefits and risks.Despite growing use worldwide, there is little randomized evidence supporting the routine use of any specific device for MCS in cardiogenic shock. A large randomized trial of the intra-aortic balloon pump did not demonstrate short- or long-term improvement in mortality. The TandemHeart and Impella devices which assist in left ventricular unloading have only been evaluated in small randomized trials, which showed an increase in adverse events without improvement in mortality. Finally, venoarterial extracorporeal membrane oxygenation (provides both circulatory and respiratory support) and is currently being evaluated in large randomized clinical trials.Various devices for MCS in cardiogenic shock are available, but routine use is not supported by high-quality randomized evidence. Given the resources required for initiation of MCS, use of these treatments should be limited to centers experienced in advanced cardiac care, and future research should focus on what role (if any) these devices have in clinical practice.

Published
2022

46. Anticardiolipin and other antiphospholipid antibodies in critically ill COVID-19 positive and negative patients

Author

Uriel Trahtemberg, Andrew J. Baker, Marvin J. Fritzler, Claudia C. dos Santos, Arthur S. Slutsky, and Robert Rottapel

Subjects
Male, medicine.medical_specialty, Anti-nuclear antibody, Critical Illness, Immunology, Autoimmunity, 030204 cardiovascular system & hematology, General Biochemistry, Genetics and Molecular Biology, Serology, 03 medical and health sciences, 0302 clinical medicine, Rheumatology, Antiphospholipid syndrome, Internal medicine, Intensive care, medicine, antibodies, Humans, Immunology and Allergy, Aged, 030203 arthritis & rheumatology, SARS-CoV-2, business.industry, Autoantibody, COVID-19, Middle Aged, Antiphospholipid Syndrome, medicine.disease, Thrombosis, antiphospholipid, Exact test, Respiratory failure, Antibodies, Anticardiolipin, Antibodies, Antiphospholipid, Female, anticardiolipin, business
Abstract

BackgroundReports of severe COVID-19 being associated with thrombosis, antiphospholipid antibodies (APLA), and antiphospholipid syndrome have yielded disparate conclusions. Studies comparing patients with COVID-19 with contemporaneous controls of similar severity are lacking.Methods22 COVID-19+ and 20 COVID-19– patients with respiratory failure admitted to intensive care were studied longitudinally. Demographic and clinical data were obtained from the day of admission. APLA testing included anticardiolipin (aCL), anti-β2glycoprotien 1 (β2GP1), antidomain 1 β2GP1 and antiphosphatidyl serine/prothrombin complex. Antinuclear antibodies (ANAs) were detected by immunofluorescence and antibodies to cytokines by a commercially available multiplexed array. Analysis of variance was used for continuous variables and Fisher’s exact test was used for categorical variables with α=0.05 and the false discovery rate at q=0.05.ResultsAPLAs were predominantly IgG aCL (48%), followed by IgM (21%) in all patients, with a tendency towards higher frequency among the COVID-19+. aCL was not associated with surrogate markers of thrombosis but IgG aCL was strongly associated with worse disease severity and higher ANA titres regardless of COVID-19 status. An association between aCL and anticytokine autoantibodies tended to be higher among the COVID-19+.ConclusionsPositive APLA serology was associated with more severe disease regardless of COVID-19 status.Trial registration numberNCT04747782

Published
2021

47. Outcome of acute hypoxaemic respiratory failure: insights from the LUNG SAFE Study

Author

Pham, Tài, Pesenti, Antonio, Bellani, Giacomo, Rubenfeld, Gordon, Fan, Eddy, Bugedo, Guillermo, Lorente, José Angel, Fernandes, Antero do Vale, Van Haren, Frank, Bruhn, Alejandro, Rios, Fernando, Esteban, Andres, Gattinoni, Luciano, Larsson, Anders, McAuley, Daniel F., Ranieri, Marco, Thompson, B. Taylor, Wrigge, Hermann, Brochard, Laurent J., Laffey, John G, Antonio Pesenti, John G Laffey, Laurent Brochard, Andres Esteban, Luciano Gattinoni, Frank van Haren, Anders Larsson, Daniel F McAuley, Marco Ranieri, Gordon Rubenfeld, B Taylor Thompson, Hermann Wrigge, Arthur S Slutsky, Giacomo Bellani, Tài Pham, Eddy Fan, Fernando Rios, Thierry Sottiaux, Pieter Depuydt, Fredy S Lora, Luciano Cesar Azevedo, Guillermo Bugedo, Haibo Qiu, Marcos Gonzalez, Juan Silesky, Vladimir Cerny, Jonas Nielsen, Manuel Jibaja, Dimitrios Matamis, Jorge Luis Ranero, Pravin Amin, S M Hashemian, Kevin Clarkson, Kiyoyasu Kurahashi, Asisclo Villagomez, Amine Ali Zeggwagh, Leo M Heunks, Jon Henrik Laake, Jose Emmanuel Palo, Antero do Vale Fernandes, Dorel Sandesc, Yaasen Arabi, Vesna Bumbasierevic, Nicolas Nin, Jose A Lorente, Lise Piquilloud, Fekri Abroug, Lia McNamee, Javier Hurtado, Ed Bajwa, Gabriel Démpaire, Hektor Sula, Lordian Nunci, Alma Cani, Alan Zazu, Christian Dellera, Carolina S Insaurralde, Risso V Alejandro, Julio Daldin, Mauricio Vinzio, Ruben O Fernandez, Luis P Cardonnet, Lisandro R Bettini, Mariano Carboni Bisso, Emilio M Osman, Mariano G Setten, Pablo Lovazzano, Javier Alvarez, Veronica Villar, Norberto C Pozo, Nicolas Grubissich, Gustavo A Plotnikow, Daniela N Vasquez, Santiago Ilutovich, Norberto Tiribelli, Ariel Chena, Carlos A Pellegrini, María G Saenz, Elisa Estenssoro, Matias Brizuela, Hernan Gianinetto, Pablo E Gomez, Valeria I Cerrato, Marco G Bezzi, Silvina A Borello, Flavia A Loiacono, Adriana M Fernandez, Serena Knowles, Claire Reynolds, Deborah M Inskip, Jennene J Miller, Jing Kong, Christina Whitehead, Shailesh Bihari, Aylin Seven, Amanda Krstevski, Helen J Rodgers, Rebecca T Millar, Toni E McKenna, Irene M Bailey, Gabrielle C Hanlon, Anders Aneman, Joan M Lynch, Raman Azad, John Neal, Paul W Woods, Brigit L Roberts, Mark R Kol, Helen S Wong, Katharina C Riss, Thomas Staudinger, Xavier Wittebole, Caroline Berghe, Pierre A Bulpa, Alain M Dive, Rik Verstraete, Herve Lebbinck, Joris Vermassen, Philippe Meersseman, Helga Ceunen, Jonas I Rosa, Daniel O Beraldo, Claudio Piras, Adenilton M Rampinelli, Antonio P Nassar Jr, Sergio Mataloun, Marcelo Moock, Marlus M Thompson, Claudio H Gonçalves, Ana Carolina P Antônio, Aline Ascoli, Rodrigo S Biondi, Danielle C Fontenele, Danielle Nobrega, Vanessa M Sales, Ahmad Yazid Bin Hj Abul Wahab, Maizatul Ismail, Suresh Shindhe, John Laffey, Francois Beloncle, Kyle G Davies, Rob Cirone, Venika Manoharan, Mehvish Ismail, Ewan C Goligher, Mandeep Jassal, Erin Nishikawa, Areej Javeed, Gerard Curley, Nuttapol Rittayamai, Matteo Parotto, Niall D Ferguson, Sangeeta Mehta, Jenny Knoll, Antoine Pronovost, Sergio Canestrini, Alejandro R Bruhn, Patricio H Garcia, Felipe A Aliaga, Pamela A Farías, Jacob S Yumha, Claudia A Ortiz, Javier E Salas, Alejandro A Saez, Luis D Vega, Eduardo F Labarca, Felipe T Martinez, Nicolás G Carreño, Pilar Lora, Haitao Liu, Ling Liu, Rui Tang, Xiaoming Luo, Youzhong An, Huiying Zhao, Yan Gao, Zhe Zhai, Zheng L Ye, Wei Wang, Wenwen Li, Qingdong Li, Ruiqiang Zheng, Wenkui Yu, Juanhong Shen, Xinyu Li, Tao Yu, Weihua Lu, Ya Q Wu, Xiao B Huang, Zhenyang He, Yuanhua Lu, Hui Han, Fan Zhang, Renhua Sun, Hua X Wang, Shu H Qin, Bao H Zhu, Jun Zhao, Jian Liu, Bin Li, Jing L Liu, Fa C Zhou, Qiong J Li, Xing Y Zhang, Zhou Li-Xin, Qiang Xin-Hua, Liangyan Jiang, Yuan N Gao, Xian Y Zhao, Yuan Y Li, Xiao L Li, Chunting Wang, Qingchun Yao, Rongguo Yu, Kai Chen, Huanzhang Shao, Bingyu Qin, Qing Q Huang, Wei H Zhu, Ai Y Hang, Ma X Hua, Yimin Li, Yonghao Xu, Yu D Di, Long L Ling, Tie H Qin, Shou H Wang, Junping Qin, Yi Han, Suming Zhou, Monica P Vargas, Juan I Silesky Jimenez, Manuel A González Rojas, Jaime E SolisQuesada, Christian M Ramirez-Alfaro, Jan Máca, Peter Sklienka, Jakob Gjedsted, Aage Christiansen, Boris G Villamagua, Iguel Llano, Philippe Burtin, Gautier Buzancais, Pascal Beuret, Nicolas Pelletier, Satar Mortaza, Alain Mercat, Jonathan Chelly, Sébastien Jochmans, Nicolas Terzi, Cédric Daubin, Guillaume Carteaux, Nicolas de Prost, Jean-Daniel Chiche, Fabrice Daviaud, Muriel Fartoukh, Guillaume Barberet, Jerome Biehler, Jean Dellamonica, Denis Doyen, Jean-Michel Arnal, Anais Briquet, Sami Hraiech, Laurent Papazian, Arnaud Follin, Damien Roux, Jonathan Messika, Evangelos Kalaitzis, Laurence Dangers, Alain Combes, Siu-Ming Au, Gaetan Béduneau, Dorothée Carpentier, Elie H Zogheib, Herve Dupont, Sylvie Ricome, Francesco L Santoli, Sebastien L Besset, Philippe Michel, Bruno Gelée, Pierre-Eric Danin, Bernard Goubaux, Philippe J Crova, Nga T Phan, Frantz Berkelmans, Julio C Badie, Romain Tapponnier, Josette Gally, Samy Khebbeb, Jean-Etienne Herbrecht, Francis Schneider, PierreLouis M Declercq, Jean-Philippe Rigaud, Jacques Duranteau, Anatole Harrois, Russell Chabanne, Julien Marin, Charlene Bigot, Sandrine Thibault, Mohammed Ghazi, Messabi Boukhazna, Salem Ould Zein, Jack R Richecoeur, Daniele M Combaux, Fabien Grelon, Charlene Le Moal, Elise P Sauvadet, Adrien Robine, Virginie Lemiale, Danielle Reuter, Martin Dres, Alexandre Demoule, Dany Goldgran-Toledano, Loredana Baboi, Claude Guérin, Ralph Lohner, Jens Kraßler, Susanne Schäfer, Kai D Zacharowski, Patrick Meybohm, Andreas W Reske, Philipp Simon, HansBernd F Hopf, Michael Schuetz, Thomas Baltus, Metaxia N Papanikolaou, Theonymfi G Papavasilopoulou, Giannis A Zacharas, Vasilis Ourailogloy, Eleni K Mouloudi, Eleni V Massa, Eva O Nagy, Electra E Stamou, Ellada V Kiourtzieva, Marina A Oikonomou, Luis E Avila, Cesar A Cortez, Johanna E Citalán, Sameer A Jog, Safal D Sable, Bhagyesh Shah, Mohan Gurjar, Arvind K Baronia, Mohammedfaruk Memon, Radhakrishnan Muthuchellappan, Venkatapura J Ramesh, Anitha Shenoy, Ramesh Unnikrishnan, Subhal B Dixit, Rachana V Rhayakar, Nagarajan Ramakrishnan, Vallish K Bhardwaj, Heera L Mahto, Sudha V Sagar, Vijayanand Palaniswamy, Deeban Ganesan, Seyed Mohammadreza Hashemian, Hamidreza Jamaati, Farshad Heidari, Edel A Meaney, Alistair Nichol, Karl M Knapman, Donall O'Croinin, Eimhin S Dunne, Dorothy M Breen, Kevin P Clarkson, Rola F Jaafar, Rory Dwyer, Fahd Amir, Olaitan O Ajetunmobi, Aogan C O'Muircheartaigh, Colin S Black, Nuala Treanor, Daniel V Collins, Wahid Altaf, Gianluca Zani, Maurizio Fusari, Savino Spadaro, Carlo A Volta, Romano Graziani, Barbara Brunettini, Salvatore Palmese, Paolo Formenti, Michele Umbrello, Andrea Lombardo, Elisabetta Pecci, Marco Botteri, Monica Savioli, Alessandro Protti, Alessia Mattei, Lorenzo Schiavoni, Andrea Tinnirello, Manuel Todeschini, Antonino Giarratano, Andrea Cortegiani, Massimo M Antonelli, Luca M Montini, Paolo Casalena, Sergio Scafetti, Giovanna Panarello, Giovanna Occhipinti, Nicolò Patroniti, Matteo Pozzi, Roberto R Biscione, Michela M Poli, Ferdinando Raimondi, Daniela Albiero, Giulia Crapelli, Eduardo Beck, Vincenzo Pota, Vincenzo Schiavone, Alexandre Molin, Fabio Tarantino, Giacomo Monti, Elena Frati, Lucia Mirabella, Gilda Cinnella, Tommaso Fossali, Riccardo Colombo, Pierpaolo Terragni, Ilaria Pattarino, Francesco Mojoli, Antonio Braschi, Erika E Borotto, Andrea N Cracchiolo, Daniela M Palma, Francesco Raponi, Giuseppe Foti, Ettore R Vascotto, Andrea Coppadoro, Luca Brazzi, Leda Floris, Giorgio A Iotti, Aaron Venti, Osamu Yamaguchi, Shunsuke Takagi, Hiroki N Maeyama, Eizo Watanabe, Yoshihiro Yamaji, Kazuyoshi Shimizu, Kyoko Shiozaki, Satoru Futami, Sekine Ryosuke, Koji Saito, Yoshinobu Kameyama, Keiko Ueno, Masayo Izawa, Nao Okuda, Hiroyuki Suzuki, Tomofumi Harasawa, Michitaka Nasu, Tadaaki Takada, Fumihito Ito, Shin Nunomiya, Kansuke Koyama, Toshikazu Abe, Kohkichi Andoh, Kohei Kusumoto, Akira Hirata, Akihiro Takaba, Hiroyasu Kimura, Shuhei Matsumoto, Ushio Higashijima, Hiroyuki Honda, Nobumasa Aoki, Hiroshi Imai, Yasuaki Ogino, Ichiko Mizuguchi, Kazuya Ichikado, Kenichi Nitta, Katsunori Mochizuki, Tomoaki Hashida, Hiroyuki Tanaka, Tomoyuki Nakamura, Daisuke Niimi, Takeshi Ueda, Yozo Kashiwa, Akinori Uchiyama, Olegs Sabelnikovs, Peteris Oss, Youssef Haddad, Kong Y Liew, Silvio A Ñamendys-Silva, Yves D Jarquin-Badiola, Luis A Sanchez-Hurtado, Saira S Gomez-Flores, Maria C Marin, Asisclo J Villagomez, Jordana S Lemus, Jonathan M Fierro, Mavy Ramirez Cervantes, Francisco Javier Flores Mejia, Dulce Dector, Alejandro Rojas, Daniel R Gonzalez, Claudia R Estrella, Jorge R Sanchez-Medina, Alvaro Ramirez-Gutierrez, Fernando G George, Janet S Aguirre, Juan A Buensuseso, Manuel Poblano, Tarek Dendane, Hicham Balkhi, Mina Elkhayari, Nacer Samkaoui, Hanane Ezzouine, Abdellatif Benslama, Mourad Amor, Wajdi Maazouzi, Nedim Cimic, Oliver Beck, Monique M Bruns, Jeroen A Schouten, Myra Rinia, Monique Raaijmakers, Hellen M van Wezel, Serge J Heines, Ulrich Strauch, Marc P Buise, Fabienne D Simonis, Marcus J Schultz, Jennifer C Goodson, Troy S Browne, Leanlove Navarra, Anna Hunt, Robyn A Hutchison, Mathew B Bailey, Lynette Newby, Colin McArthur, Michael Kalkoff, Alex Mcleod, Jonathan Casement, Danielle J Hacking, Finn H Andersen, Merete S Dolva, Jon H Laake, Andreas Barratt-Due, Kim Andre L Noremark, Eldar Søreide, Brit Å Sjøbø, Anne B Guttormsen, Hector H Leon Yoshido, Ronald Zumaran Aguilar, Fredy A Montes Oscanoa, Alain U Alisasis, Joanne B Robles, Rossini Abbie B Pasanting-Lim, Beatriz C Tan, Pawel Andruszkiewicz, Karina Jakubowska, Cristina M Coxo, António M Alvarez, Bruno S Oliveira, Gustavo M Montanha, Nelson C Barros, Carlos S Pereira, António M Messias, Jorge M Monteiro, Ana M Araujo, Nuno T Catorze, Susan M Marum, Maria J Bouw, Rui M Gomes, Vania A Brito, Silvia Castro, Joana M Estilita, Filipa M Barros, Isabel M Serra, Aurelia M Martinho, Dana R Tomescu, Alexandra Marcu, Ovidiu H Bedreag, Marius Papurica, Dan E Corneci, Silvius Ioan Negoita, Evgeny Grigoriev, Alexey I Gritsan, Andrey A Gazenkampf, Ghaleb Almekhlafi, Mohamad M Albarrak, Ghanem M Mustafa, Khalid A Maghrabi, Nawal Salahuddin, Tharwat M Aisa, Ahmed S Al Jabbary, Edgardo Tabhan, Yaseen M Arabi, Olivia A Trinidad, Hasan M Al Dorzi, Edgardo E Tabhan, Vesna Bumbasirevic, Bojan Jovanovic, Stefan Bolon, Oliver Smith, Jordi Mancebo, Hernan Aguirre-Bermeo, Juan C Lopez-Delgado, Francisco Esteve, Gemma Rialp, Catalina Forteza, Candelaria De Haro, Antonio Artigas, Guillermo M Albaiceta, Sara De Cima-Iglesias, Leticia Seoane-Quiroga, Alexandra Ceniceros-Barros, Antonio L RuizAguilar, Luis M Claraco-Vega, Juan Alfonso Soler, Maria Del Carmen Lorente, Cecilia Hermosa, Federico Gordo, Miryam PrietoGonzález, Juan B López-Messa, Manuel P Perez, Cesar P Perez, Raquel Montoiro Allue, Ferran RocheCampo, Marcos Ibañez-Santacruz, Susana TempranoSusana, Maria C Pintado, Raul De Pablo, Pilar Ricart Aroa Gómez, Silvia Rodriguez Ruiz, Silvia Iglesias Moles, Mª Teresa Jurado, Alfons Arizmendi, Enrique A Piacentini, Nieves Franco, Teresa Honrubia, Meisy Perez Cheng, Elena Perez Losada, Javier Blanco, Luis J Yuste, Cecilia Carbayo-Gorriz, Francisca G Cazorla-Barranquero, Javier G Alonso, Rosa S Alda, Ángela Algaba, Gonzalo Navarro, Enrique Cereijo, Esther Diaz-Rodriguez, Diego Pastor Marcos, Laura Alvarez Montero, Luis Herrera Para, Roberto Jimenez Sanchez, Miguel Angel Blasco Navalpotro, Ricardo Diaz Abad, Raquel Montiel González, Dácil Parrilla Toribio, Alejandro G Castro, Maria Jose D Artiga, Oscar Penuelas, Tomas P Roser, Moreno F Olga, Elena Gallego Curto, Rocío Manzano Sánchez, Vallverdu P Imma, Garcia M Elisabet, Laura Claverias, Monica Magret, Ana M Pellicer, Lucia L Rodriguez, Jesús Sánchez-Ballesteros, Ángela González-Salamanca, Antonio G Jimenez, Francisco P Huerta, Juan Carlos J Sotillo Diaz, Esther Bermejo Lopez, David D Llinares Moya, Alec A Tallet Alfonso, Palazon Sanchez Eugenio Luis, Palazon Sanchez Cesar, Sánchez I Rafael, Corcoles G Virgilio, Noelia N Recio, Christian C Rylander, Bernhard Holzgraefe, Lars M Broman, Joanna Wessbergh, Linnea Persson, Fredrik Schiöler, Hans Kedelv, Anna Oscarsson Tibblin, Henrik Appelberg, Lars Hedlund, Johan Helleberg, Karin E Eriksson, Rita Glietsch, Niklas Larsson, Ingela Nygren, Silvia L Nunes, Anna-Karin Morin, Thomas Kander, Anne Adolfsson, Hervé O Zender, Corinne Leemann-Refondini, Souheil Elatrous, Slaheddine Bouchoucha, Imed Chouchene, Islem Ouanes, Asma Ben Souissi, Salma Kamoun, Oktay Demirkiran, Mustafa Aker, Emre Erbabacan, Ilkay Ceylan, Nermin Kelebek Girgin, Menekse Ozcelik, Necmettin Ünal, Basak Ceyda Meco, Onat O Akyol, Suleyman S Derman, Barry Kennedy, Ken Parhar, Latha Srinivasa, Danny McAuley, Phil Hopkins, Clare Mellis, Vivek Kakar, Dan Hadfield, Andre Vercueil, Kaushik Bhowmick, Sally K Humphreys, Andrew Ferguson, Raymond Mckee, Ashok S Raj, Danielle A Fawkes, Philip Watt, Linda Twohey, Rajeev R Jha, Matthew Thomas, Alex Morton, Varsha Kadaba, Mark J Smith, Anil P Hormis, Santhana G Kannan, Miriam Namih, Henrik Reschreiter, Julie Camsooksai, Alek Kumar, Szabolcs Rugonfalvi, Christopher Nutt, Orla Oneill, Colette Seasman, Ged Dempsey, Christopher J Scott, Helen E Ellis, Stuart Mckechnie, Paula J Hutton, Nora N Di Tomasso, Michela N Vitale, Ruth O Griffin, Michael N Dean, Julius H Cranshaw, Emma L Willett, Nicholas Ioannou, Sarah Gillis, Peter Csabi, Rosaleen Macfadyen, Heidi Dawson, Pieter D Preez, Alexandra J Williams, Owen Boyd, Laura Ortiz-Ruiz de Gordoa, Jon Bramall, Sophie Symmonds, Simon K Chau, Tim Wenham, Tamas Szakmany, Piroska Toth-Tarsoly, Katie H McCalman, Peter Alexander, Lorraine Stephenson, Thomas Collyer, Rhiannon Chapman, Raphael Cooper, Russell M Allan, Malcolm Sim, David W Wrathall, Donald A Irvine, Kim S Zantua, John C Adams, Andrew J Burtenshaw, Gareth P Sellors, Ingeborg D Welters, Karen E Williams, Robert J Hessell, Matthew G Oldroyd, Ceri E Battle, Suresh Pillai, Istvan Kajtor, Mageswaran Sivashanmugavel, Sinead C Okane, Adrian Donnelly, Aniko D Frigyik, Jon P Careless, Martin M May, Richard Stewart, T John Trinder, Samantha J Hagan, Jade M Cole, Caroline C MacFie, Anna T Dowling, Nicolás Nin, Edgardo Nuñez, Gustavo Pittini, Ruben Rodriguez, María C Imperio, Cristina Santos, Ana G França, Alejandro Ebeid, Alberto Deicas, Carolina Serra, Aditya Uppalapati, Ghassan Kamel, Valerie M Banner-Goodspeed, Jeremy R Beitler, Satyanarayana Reddy Mukkera, Shreedhar Kulkarni, John O Shinn Iii, Dina Gomaa, Christopher Tainter, Jarone Lee, Tomaz MesarJarone Lee, Dale J Yeatts, Jessica Warren, Michael J Lanspa, Russel R Miller, Colin K Grissom, Samuel M Brown, Philippe R Bauer, Ryan J Gosselin, Barrett T Kitch, Jason E Cohen, Scott H Beegle, Shazia Choudry, Renaud M Gueret, Aiman Tulaimat, William Stigler, Hitesh Batra, Nidhi G Huff, Keith D Lamb, Trevor W Oetting, Nicholas M Mohr, Claine Judy, Shigeki Saito, Fayez M Kheir, Fayez Kheir, Adam B Schlichting, Angela Delsing, Daniel R Crouch, Mary Elmasri, Dina Ismail, Kyle R Dreyer, Thomas C Blakeman, Rebecca M Baro, Carolina Quintana Grijalba, Peter C Hou, Raghu Seethala, Imo Aisiku, Galen Henderson, Gyorgy Frendl, Sen-Kuang Hou, Robert L Owens, Ashley Schomer, Pham, Tài, Pesenti, Antonio, Bellani, Giacomo, Rubenfeld, Gordon, Fan, Eddy, Bugedo, Guillermo, Lorente, José Angel, Fernandes, Antero do Vale, Van Haren, Frank, Bruhn, Alejandro, Rios, Fernando, Esteban, Andre, Gattinoni, Luciano, Larsson, Ander, McAuley, Daniel F., Ranieri, Marco, Thompson, B. Taylor, Wrigge, Hermann, Brochard, Laurent J., Laffey, John G, Antonio Pesenti, John G Laffey, Laurent Brochard, Andres Esteban, Luciano Gattinoni, Frank van Haren, Anders Larsson, Daniel F McAuley, Marco Ranieri, Gordon Rubenfeld, B Taylor Thompson, Hermann Wrigge, Arthur S Slutsky, John G Laffey, Giacomo Bellani, Tài Pham, Eddy Fan, Fernando Rios, Frank van Haren, Thierry Sottiaux, Pieter Depuydt, Fredy S Lora, Luciano Cesar Azevedo, Eddy Fan, Guillermo Bugedo, Haibo Qiu, Marcos Gonzalez, Juan Silesky, Vladimir Cerny, Jonas Nielsen, Manuel Jibaja, Tài Pham, Hermann Wrigge, Dimitrios Matamis, Jorge Luis Ranero, Pravin Amin, S M Hashemian, Kevin Clarkson, Giacomo Bellani, Kiyoyasu Kurahashi, Asisclo Villagomez, Amine Ali Zeggwagh, Leo M Heunks, Jon Henrik Laake, Jose Emmanuel Palo, Antero do Vale Fernandes, Dorel Sandesc, Yaasen Arabi, Vesna Bumbasierevic, Nicolas Nin, Jose A Lorente, Anders Larsson, Lise Piquilloud, Fekri Abroug, Daniel F McAuley, Lia McNamee, Javier Hurtado, Ed Bajwa, Gabriel Démpaire, Hektor Sula, Lordian Nunci, Alma Cani, Alan Zazu, Christian Dellera, Carolina S Insaurralde, Risso V Alejandro, Julio Daldin, Mauricio Vinzio, Ruben O Fernandez, Luis P Cardonnet, Lisandro R Bettini, Mariano Carboni Bisso, Emilio M Osman, Mariano G Setten, Pablo Lovazzano, Javier Alvarez, Veronica Villar, Norberto C Pozo, Nicolas Grubissich, Gustavo A Plotnikow, Daniela N Vasquez, Santiago Ilutovich, Norberto Tiribelli, Ariel Chena, Carlos A Pellegrini, María G Saenz, Elisa Estenssoro, Matias Brizuela, Hernan Gianinetto, Pablo E Gomez, Valeria I Cerrato, Marco G Bezzi, Silvina A Borello, Flavia A Loiacono, Adriana M Fernandez, Serena Knowles, Claire Reynolds, Deborah M Inskip, Jennene J Miller, Jing Kong, Christina Whitehead, Shailesh Bihari, Aylin Seven, Amanda Krstevski, Helen J Rodgers, Rebecca T Millar, Toni E McKenna, Irene M Bailey, Gabrielle C Hanlon, Anders Aneman, Joan M Lynch, Raman Azad, John Neal, Paul W Woods, Brigit L Roberts, Mark R Kol, Helen S Wong, Katharina C Riss, Thomas Staudinger, Xavier Wittebole, Caroline Berghe, Pierre A Bulpa, Alain M Dive, Rik Verstraete, Herve Lebbinck, Pieter Depuydt, Joris Vermassen, Philippe Meersseman, Helga Ceunen, Jonas I Rosa, Daniel O Beraldo, Claudio Piras, Adenilton M Rampinelli, Antonio P Nassar Jr, Sergio Mataloun, Marcelo Moock, Marlus M Thompson, Claudio H Gonçalves, Ana Carolina P Antônio, Aline Ascoli, Rodrigo S Biondi, Danielle C Fontenele, Danielle Nobrega, Vanessa M Sales, Ahmad Yazid Bin Hj Abul Wahab, Maizatul Ismail, Suresh Shindhe, John Laffey, Francois Beloncle, Kyle G Davies, Rob Cirone, Venika Manoharan, Mehvish Ismail, Ewan C Goligher, Mandeep Jassal, Erin Nishikawa, Areej Javeed, Gerard Curley, Nuttapol Rittayamai, Matteo Parotto, Niall D Ferguson, Sangeeta Mehta, Jenny Knoll, Antoine Pronovost, Sergio Canestrini, Alejandro R Bruhn, Patricio H Garcia, Felipe A Aliaga, Pamela A Farías, Jacob S Yumha, Claudia A Ortiz, Javier E Salas, Alejandro A Saez, Luis D Vega, Eduardo F Labarca, Felipe T Martinez, Nicolás G Carreño, Pilar Lora, Haitao Liu, Haibo Qiu, Ling Liu, Rui Tang, Xiaoming Luo, Youzhong An, Huiying Zhao, Yan Gao, Zhe Zhai, Zheng L Ye, Wei Wang, Wenwen Li, Qingdong Li, Ruiqiang Zheng, Wenkui Yu, Juanhong Shen, Xinyu Li, Tao Yu, Weihua Lu, Ya Q Wu, Xiao B Huang, Zhenyang He, Yuanhua Lu, Hui Han, Fan Zhang, Renhua Sun, Hua X Wang, Shu H Qin, Bao H Zhu, Jun Zhao, Jian Liu, Bin Li, Jing L Liu, Fa C Zhou, Qiong J Li, Xing Y Zhang, Zhou Li-Xin, Qiang Xin-Hua, Liangyan Jiang, Yuan N Gao, Xian Y Zhao, Yuan Y Li, Xiao L Li, Chunting Wang, Qingchun Yao, Rongguo Yu, Kai Chen, Huanzhang Shao, Bingyu Qin, Qing Q Huang, Wei H Zhu, Ai Y Hang, Ma X Hua, Yimin Li, Yonghao Xu, Yu D Di, Long L Ling, Tie H Qin, Shou H Wang, Junping Qin, Yi Han, Suming Zhou, Monica P Vargas, Juan I Silesky Jimenez, Manuel A González Rojas, Jaime E SolisQuesada, Christian M Ramirez-Alfaro, Jan Máca, Peter Sklienka, Jakob Gjedsted, Aage Christiansen, Jonas Nielsen, Boris G Villamagua, Iguel Llano, Philippe Burtin, Gautier Buzancais, Pascal Beuret, Nicolas Pelletier, Satar Mortaza, Alain Mercat, Jonathan Chelly, Sébastien Jochmans, Nicolas Terzi, Cédric Daubin, Guillaume Carteaux, Nicolas de Prost, Jean-Daniel Chiche, Fabrice Daviaud, Tài Pham, Muriel Fartoukh, Guillaume Barberet, Jerome Biehler, Jean Dellamonica, Denis Doyen, Jean-Michel Arnal, Anais Briquet, Sami Hraiech, Laurent Papazian, Arnaud Follin, Damien Roux, Jonathan Messika, Evangelos Kalaitzis, Laurence Dangers, Alain Combes, Siu-Ming Au, Gaetan Béduneau, Dorothée Carpentier, Elie H Zogheib, Herve Dupont, Sylvie Ricome, Francesco L Santoli, Sebastien L Besset, Philippe Michel, Bruno Gelée, Pierre-Eric Danin, Bernard Goubaux, Philippe J Crova, Nga T Phan, Frantz Berkelmans, Julio C Badie, Romain Tapponnier, Josette Gally, Samy Khebbeb, Jean-Etienne Herbrecht, Francis Schneider, PierreLouis M Declercq, Jean-Philippe Rigaud, Jacques Duranteau, Anatole Harrois, Russell Chabanne, Julien Marin, Charlene Bigot, Sandrine Thibault, Mohammed Ghazi, Messabi Boukhazna, Salem Ould Zein, Jack R Richecoeur, Daniele M Combaux, Fabien Grelon, Charlene Le Moal, Elise P Sauvadet, Adrien Robine, Virginie Lemiale, Danielle Reuter, Martin Dres, Alexandre Demoule, Dany Goldgran-Toledano, Loredana Baboi, Claude Guérin, Ralph Lohner, Jens Kraßler, Susanne Schäfer, Kai D Zacharowski, Patrick Meybohm, Andreas W Reske, Philipp Simon, HansBernd F Hopf, Michael Schuetz, Thomas Baltus, Metaxia N Papanikolaou, Theonymfi G Papavasilopoulou, Giannis A Zacharas, Vasilis Ourailogloy, Eleni K Mouloudi, Eleni V Massa, Eva O Nagy, Electra E Stamou, Ellada V Kiourtzieva, Marina A Oikonomou, Luis E Avila, Cesar A Cortez, Johanna E Citalán, Sameer A Jog, Safal D Sable, Bhagyesh Shah, Mohan Gurjar, Arvind K Baronia, Mohammedfaruk Memon, Radhakrishnan Muthuchellappan, Venkatapura J Ramesh, Anitha Shenoy, Ramesh Unnikrishnan, Subhal B Dixit, Rachana V Rhayakar, Nagarajan Ramakrishnan, Vallish K Bhardwaj, Heera L Mahto, Sudha V Sagar, Vijayanand Palaniswamy, Deeban Ganesan, Seyed Mohammadreza Hashemian, Hamidreza Jamaati, Farshad Heidari, Edel A Meaney, Alistair Nichol, Karl M Knapman, Donall O'Croinin, Eimhin S Dunne, Dorothy M Breen, Kevin P Clarkson, Rola F Jaafar, Rory Dwyer, Fahd Amir, Olaitan O Ajetunmobi, Aogan C O'Muircheartaigh, Colin S Black, Nuala Treanor, Daniel V Collins, Wahid Altaf, Gianluca Zani, Maurizio Fusari, Savino Spadaro, Carlo A Volta, Romano Graziani, Barbara Brunettini, Salvatore Palmese, Paolo Formenti, Michele Umbrello, Andrea Lombardo, Elisabetta Pecci, Marco Botteri, Monica Savioli, Alessandro Protti, Alessia Mattei, Lorenzo Schiavoni, Andrea Tinnirello, Manuel Todeschini, Antonino Giarratano, Andrea Cortegiani, Massimo M Antonelli, Luca M Montini, Paolo Casalena, Sergio Scafetti, Giovanna Panarello, Giovanna Occhipinti, Nicolò Patroniti, Matteo Pozzi, Roberto R Biscione, Michela M Poli, Ferdinando Raimondi, Daniela Albiero, Giulia Crapelli, Eduardo Beck, Vincenzo Pota, Vincenzo Schiavone, Alexandre Molin, Fabio Tarantino, Giacomo Monti, Elena Frati, Lucia Mirabella, Gilda Cinnella, Tommaso Fossali, Riccardo Colombo, Pierpaolo Terragni, Ilaria Pattarino, Francesco Mojoli, Antonio Braschi, Erika E Borotto, Andrea N Cracchiolo, Daniela M Palma, Francesco Raponi, Giuseppe Foti, Ettore R Vascotto, Andrea Coppadoro, Luca Brazzi, Leda Floris, Giorgio A Iotti, Aaron Venti, Osamu Yamaguchi, Shunsuke Takagi, Hiroki N Maeyama, Eizo Watanabe, Yoshihiro Yamaji, Kazuyoshi Shimizu, Kyoko Shiozaki, Satoru Futami, Sekine Ryosuke, Koji Saito, Yoshinobu Kameyama, Keiko Ueno, Masayo Izawa, Nao Okuda, Hiroyuki Suzuki, Tomofumi Harasawa, Michitaka Nasu, Tadaaki Takada, Fumihito Ito, Shin Nunomiya, Kansuke Koyama, Toshikazu Abe, Kohkichi Andoh, Kohei Kusumoto, Akira Hirata, Akihiro Takaba, Hiroyasu Kimura, Shuhei Matsumoto, Ushio Higashijima, Hiroyuki Honda, Nobumasa Aoki, Hiroshi Imai, Yasuaki Ogino, Ichiko Mizuguchi, Kazuya Ichikado, Kenichi Nitta, Katsunori Mochizuki, Tomoaki Hashida, Hiroyuki Tanaka, Tomoyuki Nakamura, Daisuke Niimi, Takeshi Ueda, Yozo Kashiwa, Akinori Uchiyama, Olegs Sabelnikovs, Peteris Oss, Youssef Haddad, Kong Y Liew, Silvio A Ñamendys-Silva, Yves D Jarquin-Badiola, Luis A Sanchez-Hurtado, Saira S Gomez-Flores, Maria C Marin, Asisclo J Villagomez, Jordana S Lemus, Jonathan M Fierro, Mavy Ramirez Cervantes, Francisco Javier Flores Mejia, Dulce Dector, Alejandro Rojas, Daniel R Gonzalez, Claudia R Estrella, Jorge R Sanchez-Medina, Alvaro Ramirez-Gutierrez, Fernando G George, Janet S Aguirre, Juan A Buensuseso, Manuel Poblano, Juan A Buensuseso, Manuel Poblano, Tarek Dendane, Amine Ali Zeggwagh, Hicham Balkhi, Mina Elkhayari, Nacer Samkaoui, Hanane Ezzouine, Abdellatif Benslama, Mourad Amor, Wajdi Maazouzi, Nedim Cimic, Oliver Beck, Monique M Bruns, Jeroen A Schouten, Myra Rinia, Monique Raaijmakers, Leo M Heunks, Hellen M van Wezel, Serge J Heines, Ulrich Strauch, Marc P Buise, Fabienne D Simonis, Marcus J Schultz, Jennifer C Goodson, Troy S Browne, Leanlove Navarra, Anna Hunt, Robyn A Hutchison, Mathew B Bailey, Lynette Newby, Colin McArthur, Michael Kalkoff, Alex Mcleod, Jonathan Casement, Danielle J Hacking, Finn H Andersen, Merete S Dolva, Jon H Laake, Andreas Barratt-Due, Kim Andre L Noremark, Eldar Søreide, Brit Å Sjøbø, Anne B Guttormsen, Hector H Leon Yoshido, Ronald Zumaran Aguilar, Fredy A Montes Oscanoa, Alain U Alisasis, Joanne B Robles, Rossini Abbie B Pasanting-Lim, Beatriz C Tan, Pawel Andruszkiewicz, Karina Jakubowska, Cristina M Coxo, António M Alvarez, Bruno S Oliveira, Gustavo M Montanha, Nelson C Barros, Carlos S Pereira, António M Messias, Jorge M Monteiro, Ana M Araujo, Nuno T Catorze, Susan M Marum, Maria J Bouw, Rui M Gomes, Vania A Brito, Silvia Castro, Joana M Estilita, Filipa M Barros, Isabel M Serra, Aurelia M Martinho, Dana R Tomescu, Alexandra Marcu, Ovidiu H Bedreag, Marius Papurica, Dan E Corneci, Silvius Ioan Negoita, Evgeny Grigoriev, Alexey I Gritsan, Andrey A Gazenkampf, Ghaleb Almekhlafi, Mohamad M Albarrak, Ghanem M Mustafa, Khalid A Maghrabi, Nawal Salahuddin, Tharwat M Aisa, Ahmed S Al Jabbary, Edgardo Tabhan, Yaseen M Arabi, Yaseen M Arabi, Olivia A Trinidad, Hasan M Al Dorzi, Edgardo E Tabhan, Vesna Bumbasirevic, Bojan Jovanovic, Stefan Bolon, Oliver Smith, Jordi Mancebo, Hernan Aguirre-Bermeo, Juan C Lopez-Delgado, Francisco Esteve, Gemma Rialp, Catalina Forteza, Candelaria De Haro, Antonio Artigas, Guillermo M Albaiceta, Sara De Cima-Iglesias, Leticia Seoane-Quiroga, Alexandra Ceniceros-Barros, Antonio L RuizAguilar, Luis M Claraco-Vega, Juan Alfonso Soler, Maria Del Carmen Lorente, Cecilia Hermosa, Federico Gordo, Miryam PrietoGonzález, Juan B López-Messa, Manuel P Perez, Cesar P Perez, Raquel Montoiro Allue, Ferran RocheCampo, Marcos Ibañez-Santacruz, Susana TempranoSusana, Maria C Pintado, Raul De Pablo, Pilar Ricart Aroa Gómez, Silvia Rodriguez Ruiz, Silvia Iglesias Moles, Mª Teresa Jurado, Alfons Arizmendi, Enrique A 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C Rylander, Bernhard Holzgraefe, Lars M Broman, Joanna Wessbergh, Linnea Persson, Fredrik Schiöler, Hans Kedelv, Anna Oscarsson Tibblin, Henrik Appelberg, Lars Hedlund, Johan Helleberg, Karin E Eriksson, Rita Glietsch, Niklas Larsson, Ingela Nygren, Silvia L Nunes, Anna-Karin Morin, Thomas Kander, Anne Adolfsson, Lise Piquilloud, Hervé O Zender, Corinne Leemann-Refondini, Souheil Elatrous, Slaheddine Bouchoucha, Imed Chouchene, Islem Ouanes, Asma Ben Souissi, Salma Kamoun, Oktay Demirkiran, Mustafa Aker, Emre Erbabacan, Ilkay Ceylan, Nermin Kelebek Girgin, Menekse Ozcelik, Necmettin Ünal, Basak Ceyda Meco, Onat O Akyol, Suleyman S Derman, Barry Kennedy, Ken Parhar, Latha Srinivasa, Lia McNamee, Danny McAuley, Phil Hopkins, Clare Mellis, Vivek Kakar, Dan Hadfield, Andre Vercueil, Kaushik Bhowmick, Sally K Humphreys, Andrew Ferguson, Raymond Mckee, Ashok S Raj, Danielle A Fawkes, Philip Watt, Linda Twohey, Rajeev R Jha, Matthew Thomas, Alex Morton, Varsha Kadaba, Mark J Smith, Anil P Hormis, Santhana G Kannan, Miriam Namih, Henrik Reschreiter, Julie Camsooksai, Alek Kumar, Szabolcs Rugonfalvi, Christopher Nutt, Orla Oneill, Colette Seasman, Ged Dempsey, Christopher J Scott, Helen E Ellis, Stuart Mckechnie, Paula J Hutton, Nora N Di Tomasso, Michela N Vitale, Ruth O Griffin, Michael N Dean, Julius H Cranshaw, Emma L Willett, Nicholas Ioannou, Sarah Gillis, Peter Csabi, Rosaleen Macfadyen, Heidi Dawson, Pieter D Preez, Alexandra J Williams, Owen Boyd, Laura Ortiz-Ruiz de Gordoa, Jon Bramall, Sophie Symmonds, Simon K Chau, Tim Wenham, Tamas Szakmany, Piroska Toth-Tarsoly, Katie H McCalman, Peter Alexander, Lorraine Stephenson, Thomas Collyer, Rhiannon Chapman, Raphael Cooper, Russell M Allan, Malcolm Sim, David W Wrathall, Donald A Irvine, Kim S Zantua, John C Adams, Andrew J Burtenshaw, Gareth P Sellors, Ingeborg D Welters, Karen E Williams, Robert J Hessell, Matthew G Oldroyd, Ceri E Battle, Suresh Pillai, Istvan Kajtor, Mageswaran Sivashanmugavel, Sinead C Okane, Adrian Donnelly, Aniko D Frigyik, Jon P Careless, Martin M May, Richard Stewart, T John Trinder, Samantha J Hagan, Jade M Cole, Caroline C MacFie, Anna T Dowling, Javier Hurtado, Nicolás Nin, Javier Hurtado, Edgardo Nuñez, Gustavo Pittini, Ruben Rodriguez, María C Imperio, Cristina Santos, Ana G França, Alejandro Ebeid, Alberto Deicas, Carolina Serra, Aditya Uppalapati, Ghassan Kamel, Valerie M Banner-Goodspeed, Jeremy R Beitler, Satyanarayana Reddy Mukkera, Shreedhar Kulkarni, John O Shinn Iii, Dina Gomaa, Christopher Tainter, Jarone Lee, Tomaz MesarJarone Lee, Dale J Yeatts, Jessica Warren, Michael J Lanspa, Russel R Miller, Colin K Grissom, Samuel M Brown, Philippe R Bauer, Ryan J Gosselin, Barrett T Kitch, Jason E Cohen, Scott H Beegle, Shazia Choudry, Renaud M Gueret, Aiman Tulaimat, William Stigler, Hitesh Batra, Nidhi G Huff, Keith D Lamb, Trevor W Oetting, Nicholas M Mohr, Claine Judy, Shigeki Saito, Fayez M Kheir, Fayez Kheir, Adam B Schlichting, Angela Delsing, Daniel R Crouch, Mary Elmasri, Daniel R Crouch, Dina Ismail, Kyle R Dreyer, Thomas C Blakeman, Dina Gomaa, Rebecca M Baro, Carolina Quintana Grijalba, Peter C Hou, Raghu Seethala, Imo Aisiku, Galen Henderson, Gyorgy Frendl, Sen-Kuang Hou, Robert L Owens, Ashley Schomer, Intensive Care Medicine, ACS - Diabetes & metabolism, ACS - Pulmonary hypertension & thrombosis, ACS - Microcirculation, Pham, T, Pesenti, A, Bellani, G, Rubenfeld, G, Fan, E, Bugedo, G, Lorente, J, Fernandes, A, Van Haren, F, Bruhn, A, Rios, F, Esteban, A, Gattinoni, L, Larsson, A, Mcauley, D, Ranieri, M, Thompson, B, Wrigge, H, Brochard, L, Laffey, J, AP-HP Hôpital Bicêtre (Le Kremlin-Bicêtre), St. Michael's Hospital, University of Toronto, Groupe de recherche clinique CARMAS, Centre de recherche en épidémiologie et santé des populations (CESP), Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Hôpital Paul Brousse-Institut National de la Santé et de la Recherche Médicale (INSERM)-Université Paris-Saclay, Fondazione IRCCS Ca' Granda - Ospedale Maggiore Policlinico, Università degli Studi di Milano [Milano] (UNIMI), University of Milan, San Gerardo Hospital, Sunnybrook Health Sciences Center, Mount Sinai Hospital [Toronto, Canada] (MSH), Pontificia Universidad Católica de Chile (UC), University Hospital of Getafe, CIBER Enfermedades Respiratorias (CIBERES), Universidad Europea de Madrid, Hospital Garcia de Orta (EPE), Canberra Hospital, Medical School [Australian National University - ANU], Australian National University (ANU), University of Canberra, Centro de Investigación Biomédica en Red Enfermedades Respiratorias (CIBERES), University of Göttingen - Georg-August-Universität Göttingen, Uppsala University, Queen's University [Belfast] (QUB), Royal Victoria Hospital, McGill University Health Center [Montreal] (MUHC), Università degli Studi di Bologna, Massachusetts General Hospital [Boston], University Hospital Leipzig, Department of Anaesthesiology, Intensive Care and Emergency Medicine, Pain Therapy, Bergmannstrost Hospital Halle, 06112, Halle, National University of Ireland [Galway] (NUI Galway), Bayer GlaxoSmithKline, GSK Baxter International Boehringer Ingelheim Wellcome Trust, WT National Institute for Health Research, NIHR Queen's University Belfast, QUB Medical Research Council Canada, MRC European Society of Intensive Care Medicine, ESICM, Support statement: This work was supported by the European Society of Intensive Care Medicine. Funding information for this article has been deposited with the Crossref Funder Registry., Conflict of interest: T. Pham has nothing to disclose. A. Pesenti reports personal fees from Maquet, Novalung/Xenios, Baxter, Gilead and Boehringer Ingelheim, outside the submitted work. G. Bellani reports grants and personal fees from Draeger Medical, personal fees from Getinge, Hamilton, GE Healthcare, Dimar SRL, Intersurgical and Flowmeter SPA, outside the submitted work. G. Rubenfeld has nothing to disclose. E. Fan reports personal fees from ALung Technologies, Getinge and MC3 Cardiopulmonary, grants, personal fees and non-financial support from Fresenius Medical Care, outside the submitted work. G. Bugedo has nothing to disclose. J.A. Lorente has nothing to disclose. A.D. V. Fernandes has nothing to disclose. F. Van Haren has nothing to disclose. A. Bruhn has nothing to disclose. F. Rios has nothing to disclose. A. Esteban has nothing to disclose. L. Gattinoni has nothing to disclose. A. Larsson reports grants from the Swedish Heart and Lung Foundation, during the conduct of the study. D.F. McAuley reports personal fees from consultancy for GlaxoSmithKline, Boehringer Ingelheim and Bayer, outside the submitted work, in addition, his institution has received funds from grants from the UK NIHR, Wellcome Trust, Innovate UK, NI HSC R&D Division, NI Chest Heart and Stroke, and MRC, is one of four named inventors on a patent US8962032 covering the use of sialic acid-bearing nanoparticles as anti-inflammatory agents issued to his institution, The Queen’s University of Belfast (http://www.google.com/patents/US8962032), and is a Director of Research for the Intensive Care Society and NIHR EME Programme Director. M. Ranieri has nothing to disclose. B.T. Thompson reports personal fees from Bayer, Thetis and Novartis, outside the submitted work. H. Wrigge reports personal fees for consultancy from Dräger Medical, personal fees for advisory board work from Liberate Medical, grants and personal fees for lectures from InfectoPharm, personal fees for lectures from MSD and GE, outside the submitted work. L.J. Brochard reports grants from Medtronic Covidien, grants and non-financial support from Fisher Paykel, non-financial support from Air Liquide, Sentec and Philips, other (patent) from General Electric, outside the submitted work. J.G. Laffey reports grants and personal fees from Baxter, grants and non-financial support from Aerogen and Factor Biosciences, outside the submitted work., LUNG SAFE Investigators and the European Society of Intensive Care Medicine Trials Group: Antonio Pesenti, John G Laffey, Laurent Brochard, Andres Esteban, Luciano Gattinoni, Frank van Haren, Anders Larsson, Daniel F McAuley, Marco Ranieri, Gordon Rubenfeld, B Taylor Thompson, Hermann Wrigge, Arthur S Slutsky, John G Laffey, Giacomo Bellani, Tài Pham, Eddy Fan, Fernando Rios, Frank van Haren, Thierry Sottiaux, Pieter Depuydt, Fredy S Lora, Luciano Cesar Azevedo, Eddy Fan, Guillermo Bugedo, Haibo Qiu, Marcos Gonzalez, Juan Silesky, Vladimir Cerny, Jonas Nielsen, Manuel Jibaja, Tài Pham, Hermann Wrigge, Dimitrios Matamis, Jorge Luis Ranero, Pravin Amin, S M Hashemian, Kevin Clarkson, Giacomo Bellani, Kiyoyasu Kurahashi, Asisclo Villagomez, Amine Ali Zeggwagh, Leo M Heunks, Jon Henrik Laake, Jose Emmanuel Palo, Antero do Vale Fernandes, 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RocheCampo, Marcos Ibañez-Santacruz, Susana TempranoSusana, Maria C Pintado, Raul De Pablo, Pilar Ricart Aroa Gómez, Silvia Rodriguez Ruiz, Silvia Iglesias Moles, Mª Teresa Jurado, Alfons Arizmendi, Enrique A Piacentini, Nieves Franco, Teresa Honrubia, Meisy Perez Cheng, Elena Perez Losada, Javier Blanco, Luis J Yuste, Cecilia Carbayo-Gorriz, Francisca G Cazorla-Barranquero, Javier G Alonso, Rosa S Alda, Ángela Algaba, Gonzalo Navarro, Enrique Cereijo, Esther Diaz-Rodriguez, Diego Pastor Marcos, Laura Alvarez Montero, Luis Herrera Para, Roberto Jimenez Sanchez, Miguel Angel Blasco Navalpotro, Ricardo Diaz Abad, Raquel Montiel González, Dácil Parrilla Toribio, Alejandro G Castro, Maria Jose D Artiga, Oscar Penuelas, Tomas P Roser, Moreno F Olga, Elena Gallego Curto, Rocío Manzano Sánchez, Vallverdu P Imma, Garcia M Elisabet, Laura Claverias, Monica Magret, Ana M Pellicer, Lucia L Rodriguez, Jesús Sánchez-Ballesteros, Ángela González-Salamanca, Antonio G Jimenez, Francisco P Huerta, Juan Carlos J Sotillo Diaz, Esther Bermejo Lopez, David D Llinares Moya, Alec A Tallet Alfonso, Palazon Sanchez Eugenio Luis, Palazon Sanchez Cesar, Sánchez I Rafael, Corcoles G Virgilio, Noelia N Recio, Christian C Rylander, Bernhard Holzgraefe, Lars M Broman, Joanna Wessbergh, Linnea Persson, Fredrik Schiöler, Hans Kedelv, Anna Oscarsson Tibblin, Henrik Appelberg, Lars Hedlund, Johan Helleberg, Karin E Eriksson, Rita Glietsch, Niklas Larsson, Ingela Nygren, Silvia L Nunes, Anna-Karin Morin, Thomas Kander, Anne Adolfsson, Lise Piquilloud, Hervé O Zender, Corinne Leemann-Refondini, Souheil Elatrous, Slaheddine Bouchoucha, Imed Chouchene, Islem Ouanes, Asma Ben Souissi, Salma Kamoun, Oktay Demirkiran, Mustafa Aker, Emre Erbabacan, Ilkay Ceylan, Nermin Kelebek Girgin, Menekse Ozcelik, Necmettin Ünal, Basak Ceyda Meco, Onat O Akyol, Suleyman S Derman, Barry Kennedy, Ken Parhar, Latha Srinivasa, Lia McNamee, Danny McAuley, Phil Hopkins, Clare Mellis, Vivek Kakar, Dan Hadfield, Andre Vercueil, Kaushik Bhowmick, Sally K Humphreys, Andrew Ferguson, Raymond Mckee, Ashok S Raj, Danielle A Fawkes, Philip Watt, Linda Twohey, Rajeev R Jha, Matthew Thomas, Alex Morton, Varsha Kadaba, Mark J Smith, Anil P Hormis, Santhana G Kannan, Miriam Namih, Henrik Reschreiter, Julie Camsooksai, Alek Kumar, Szabolcs Rugonfalvi, Christopher Nutt, Orla Oneill, Colette Seasman, Ged Dempsey, Christopher J Scott, Helen E Ellis, Stuart Mckechnie, Paula J Hutton, Nora N Di Tomasso, Michela N Vitale, Ruth O Griffin, Michael N Dean, Julius H Cranshaw, Emma L Willett, Nicholas Ioannou, Sarah Gillis, Peter Csabi, Rosaleen Macfadyen, Heidi Dawson, Pieter D Preez, Alexandra J Williams, Owen Boyd, Laura Ortiz-Ruiz de Gordoa, Jon Bramall, Sophie Symmonds, Simon K Chau, Tim Wenham, Tamas Szakmany, Piroska Toth-Tarsoly, Katie H McCalman, Peter Alexander, Lorraine Stephenson, Thomas Collyer, Rhiannon Chapman, Raphael Cooper, Russell M Allan, Malcolm Sim, David W Wrathall, Donald A Irvine, Kim S Zantua, John C Adams, Andrew J Burtenshaw, Gareth P Sellors, Ingeborg D Welters, Karen E Williams, Robert J Hessell, Matthew G Oldroyd, Ceri E Battle, Suresh Pillai, Istvan Kajtor, Mageswaran Sivashanmugavel, Sinead C Okane, Adrian Donnelly, Aniko D Frigyik, Jon P Careless, Martin M May, Richard Stewart, T John Trinder, Samantha J Hagan, Jade M Cole, Caroline C MacFie, Anna T Dowling, Javier Hurtado, Nicolás Nin, Javier Hurtado, Edgardo Nuñez, Gustavo Pittini, Ruben Rodriguez, María C Imperio, Cristina Santos, Ana G França, Alejandro Ebeid, Alberto Deicas, Carolina Serra, Aditya Uppalapati, Ghassan Kamel, Valerie M Banner-Goodspeed, Jeremy R Beitler, Satyanarayana Reddy Mukkera, Shreedhar Kulkarni, John O Shinn Iii, Dina Gomaa, Christopher Tainter, Jarone Lee, Tomaz MesarJarone Lee, Dale J Yeatts, Jessica Warren, Michael J Lanspa, Russel R Miller, Colin K Grissom, Samuel M Brown, Philippe R Bauer, Ryan J Gosselin, Barrett T Kitch, Jason E Cohen, Scott H Beegle, Shazia Choudry, Renaud M Gueret, Aiman Tulaimat, William Stigler, Hitesh Batra, Nidhi G Huff, Keith D Lamb, Trevor W Oetting, Nicholas M Mohr, Claine Judy, Shigeki Saito, Fayez M Kheir, Fayez Kheir, Adam B Schlichting, Angela Delsing, Daniel R Crouch, Mary Elmasri, Daniel R Crouch, Dina Ismail, Kyle R Dreyer, Thomas C Blakeman, Dina Gomaa, Rebecca M Baro, Carolina Quintana Grijalba, Peter C Hou, Raghu Seethala, Imo Aisiku, Galen Henderson, Gyorgy Frendl, Sen-Kuang Hou, Robert L Owens, Ashley Schomer, UCL - SSS/IREC/MEDA - Pôle de médecine aiguë, UCL - (MGD) Services des soins intensifs, and UCL - (SLuc) Service de soins intensifs

Subjects
Pulmonary and Respiratory Medicine, ARDS, Unidades de cuidados intensivos, [SDV]Life Sciences [q-bio], medicine.medical_treatment, mechanical ventilation, NO, law.invention, 03 medical and health sciences, Tratamiento médico, 0302 clinical medicine, law, Settore MED/41 - ANESTESIOLOGIA, Insuficiencia respiratoria, Medicine, Humans, 030212 general & internal medicine, Prospective Studies, Prospective cohort study, Lung, Mechanical ventilation, Respiratory Distress Syndrome, business.industry, Respiration, Incidence (epidemiology), medicine.disease, Intensive care unit, Respiration, Artificial, 3. Good health, Intensive Care Units, lnfectious Diseases and Global Health Radboud Institute for Health Sciences [Radboudumc 4], medicine.anatomical_structure, 030228 respiratory system, Respiratory failure, Heart failure, Anesthesia, Artificial, ards, business, Respiratory Insufficiency, Enfermedad
Abstract

BackgroundCurrent incidence and outcome of patients with acute hypoxaemic respiratory failure requiring mechanical ventilation in the intensive care unit (ICU) are unknown, especially for patients not meeting criteria for acute respiratory distress syndrome (ARDS).MethodsAn international, multicentre, prospective cohort study of patients presenting with hypoxaemia early in the course of mechanical ventilation, conducted during four consecutive weeks in the winter of 2014 in 459 ICUs from 50 countries (LUNG SAFE). Patients were enrolled with arterial oxygen tension/inspiratory oxygen fraction ratio ≤300 mmHg, new pulmonary infiltrates and need for mechanical ventilation with a positive end-expiratory pressure of ≥5 cmH2O. ICU prevalence, causes of hypoxaemia, hospital survival and factors associated with hospital mortality were measured. Patients with unilateral versus bilateral opacities were compared.Findings12 906 critically ill patients received mechanical ventilation and 34.9% with hypoxaemia and new infiltrates were enrolled, separated into ARDS (69.0%), unilateral infiltrate (22.7%) and congestive heart failure (CHF; 8.2%). The global hospital mortality was 38.6%. CHF patients had a mortality comparable to ARDS (44.1% versus 40.4%). Patients with unilateral-infiltrate had lower unadjusted mortality, but similar adjusted mortality compared to those with ARDS. The number of quadrants on chest imaging was associated with an increased risk of death. There was no difference in mortality comparing patients with unilateral-infiltrate and ARDS with only two quadrants involved.InterpretationMore than one-third of patients receiving mechanical ventilation have hypoxaemia and new infiltrates with a hospital mortality of 38.6%. Survival is dependent on the degree of pulmonary involvement whether or not ARDS criteria are reached.

Published
2021

48. Prognostic factors associated with mortality among patients receiving venovenous extracorporeal membrane oxygenation for COVID-19: a systematic review and meta-analysis

Author

Alexandre Tran, Shannon M Fernando, Bram Rochwerg, Ryan P Barbaro, Carol L Hodgson, Laveena Munshi, Graeme MacLaren, Kollengode Ramanathan, Catherine L Hough, Laurent J Brochard, Kathryn M Rowan, Niall D Ferguson, Alain Combes, Arthur S Slutsky, Eddy Fan, and Daniel Brodie

Subjects
Pulmonary and Respiratory Medicine
Abstract

Venovenous extracorporeal membrane oxygenation (ECMO) can be considered for patients with COVID-19-associated acute respiratory distress syndrome (ARDS) who continue to deteriorate despite evidence-based therapies and lung-protective ventilation. The Extracorporeal Life Support Organization has emphasised the importance of patient selection; however, to better inform these decisions, a comprehensive and evidence-based understanding of the risk factors associated with poor outcomes is necessary. We aimed to summarise the association between pre-cannulation prognostic factors and risk of mortality in adult patients requiring venovenous ECMO for the treatment of COVID-19.In this systematic review and meta-analysis, we searched MEDLINE and Embase from Dec 1, 2019, to April 14, 2022, for randomised controlled trials and observational studies involving adult patients who required ECMO for COVID-19-associated ARDS and for whom pre-cannulation prognostic factors associated with in-hospital mortality were evaluated. We conducted separate meta-analyses of unadjusted and adjusted odds ratios (uORs), adjusted hazard ratios (aHRs), and mean differences, and excluded studies if these data could not be extracted. We assessed the risk of bias using the Quality in Prognosis Studies tool and certainty of evidence using the Grading of Recommendations Assessment, Development and Evaluation approach. Our protocol was registered with the Open Science Framework registry, osf.io/6gcy2.Our search identified 2888 studies, of which 42 observational cohort studies involving 17 449 patients were included. Factors that had moderate or high certainty of association with increased mortality included patient factors, such as older age (adjusted hazard ratio [aHR] 2·27 [95% CI 1·63-3·16]), male sex (unadjusted odds ratio [uOR] 1·34 [1·20-1·49]), and chronic lung disease (aHR 1·55 [1·20-2·00]); pre-cannulation disease factors, such as longer duration of symptoms (mean difference 1·51 days [95% CI 0·36-2·65]), longer duration of invasive mechanical ventilation (uOR 1·94 [1·40-2·67]), higher partial pressure of arterial carbon dioxide (mean difference 4·04 mm Hg [1·64-6·44]), and higher driving pressure (aHR 2·36 [1·40-3·97]); and centre factors, such as less previous experience with ECMO (aOR 2·27 [1·28-4·05].The prognostic factors identified highlight the importance of patient selection, the effect of injurious lung ventilation, and the potential opportunity for greater centralisation and collaboration in the use of ECMO for the treatment of COVID-19-associated ARDS. These factors should be carefully considered as part of a risk stratification framework when evaluating a patient for potential treatment with venovenous ECMO.None.

Published
2022

49. Allogeneic cord blood regulatory T cells can resolve lung inflammation

Author

Mi-Ae Lyu, Meixian Huang, Ke Zeng, Li Li, Joseph D. Khoury, Mitsutaka Nishimoto, Hongbing Ma, Tara Sadeghi, Siddhartha Mukherjee, Arthur S. Slutsky, Christopher R. Flowers, and Simrit Parmar

Subjects
Cancer Research, Transplantation, Oncology, Immunology, Immunology and Allergy, Cell Biology, Genetics (clinical)
Abstract

CD4Ex vivo-expanded UCB Tregs exhibited a unique phenotype with co-expression of CD45RAUCB Treg adoptive therapy is a promising therapeutic strategy for treatment of lung injury.

Published
2022

50. Omicron BA.1/1.1 SARS-CoV-2 Infection among Vaccinated Canadian Adults

Author

Patrick E, Brown, Sze Hang, Fu, Aiyush, Bansal, Leslie, Newcombe, Karen, Colwill, Geneviève, Mailhot, Melanie, Delgado-Brand, Anne-Claude, Gingras, Arthur S, Slutsky, Maria, Pasic, Jeffrey, Companion, Isaac I, Bogoch, Ed, Morawski, Teresa, Lam, Angus, Reid, and Prabhat, Jha

Subjects
Adult, Canada, COVID-19 Vaccines, Vaccination Coverage, SARS-CoV-2, COVID-19, Humans, Enzyme-Linked Immunosorbent Assay, General Medicine, Antibodies, Viral
Published
2022

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