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1. Analytical comparison of ELISA and mass spectrometry for quantification of serum hepcidin in critically ill patients

Author

Constance Delaby, Jérôme Vialaret, Christophe Hirtz, Thibaud Lefebvre, Matthias Herkert, Hervé Puy, Sigismond Lasocki, Sylvain Lehmann, Pierre Asfar, Alain Mercat, Thomas Gaillard, Soizic Gergaud, Cyrille Sargentini, Claire Geneve, Philippe Montravers, Thibault Lefebvre, Herve Puy, Grégoire Mercier, Nicolas Nagot, Gerald Chanques, Samir Jaber, Karim Asehnoune, Antoine Roquilly, Claire Dahyot-Fizelier, Olivier Mimoz, Sonia Isslame, Philippe Seguin, Mathilde Barbaz, Martine Ferrandiere, Thomas Kerforne, Katell Peoc'h, François Beloncle, Maxime Leger, Emmanuel Rineau, Gregory Marin, Matthieu Boisson, Yoann Launey, 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), and Centre Hospitalier Régional Universitaire [Montpellier] (CHRU Montpellier)

Subjects
030213 general clinical medicine, medicine.medical_specialty, Anemia, Critical Illness, [SDV]Life Sciences [q-bio], Clinical Biochemistry, Enzyme-Linked Immunosorbent Assay, Mass spectrometry, Gastroenterology, Mass Spectrometry, Analytical Chemistry, 03 medical and health sciences, 0302 clinical medicine, Hepcidins, Hepcidin, Internal medicine, Humans, Protein Isoforms, Medicine, General Pharmacology, Toxicology and Pharmaceutics, Anemia, Iron-Deficiency, biology, business.industry, Critically ill, 030208 emergency & critical care medicine, General Medicine, medicine.disease, 3. Good health, Medical Laboratory Technology, Iron-deficiency anemia, biology.protein, Reagent Kits, Diagnostic, business
Abstract

International audience; Aim: To compare methods of quantifying serum hepcidin (based on MS and ELISA) and their ability to diagnose true iron deficiency anemia in critically ill patients. Materials & methods: Serum hepcidin was measured in 119 critically ill patients included in the HEPCIDANE clinical trial, using either an ultra-sensitive ELISA kit (from DRG) or two different MS methods. Results: The results show a good correlation between the different methods studied. The Bland–Altman analysis and the Kappa test for clinical groups show a good or very good agreement between the different tests. Conclusion: ELISA or MS show a satisfactory commutability to quantify serum hepcidin. This is of great importance for the determination of therapeutic strategies in iron deficiency.

Published
2021

2. EPIdemiology of Surgery-Associated Acute Kidney Injury (EPIS-AKI): study protocol for a multicentre, observational trial

Author

Weiss, Raphael, Saadat-Gilani, Khaschayar, Kerschke, Laura, Wempe, Carola, Meersch, Melanie, Zarbock, Alexander Hichem Makhloufi, Anis, Cherak, Lamine Lakhel Ghanem, Zohier, Gouaglia, Dina Nasrine Guadouri, Fayrouz Naouel Hama, Mustafa, Kara, Omayma, Saadi, Rachida, Sakhraoui, Fadila, Bourou, Abdelhadi, Cherifi, Rahmoune Ghania Sadaoui, Amel, Ouyahia, Ilhem, Ouahab, Souad, Bouaoud, Meriem, Abdoun, Anisse, Tidjane, Benali, Tabeti, Nabil, Boudjenan-Serradj, Carlos Jose Pérez Rivera, Paulo, Cabrer, Julián, Corso, Juan Pablo García, Sharon, Idarraga, Christopher, Montoya, Rafael, Figueroa, Eduar, Aldana, María Alejandra Torrado, Peng, Ke, Zheng-Min, Ma, Yu-Fan, Yang, Ya-Juan, Zhu, Peter, Sklienka, Michal, Frelich, Vojtech, Jarkulis, Pavel, Sevcik, Vojtech, Vodicka, Mohamed Gamal Elbahnasawy, Shady, Elsalhawy, Sara, Motawea, Zeinab, Othman, Mohamed, Sahma, Ahmed Mahmoud Nafea, Nermin, Ahmed, Doaa Ali Attia, Moataz Maher Emara, Mohamed Mamdouh Bonna, Mohamed Ahmed Gabr, Amany Ismail Tarbay, Ibrahim Abdelmonaem Abdehaleem, Esraa Elsayed Mohamed, Amr Mahmoud Eldeeb, Ahmed Mohamed Abbas, John Ashraf Magdy, Zyad Hassan Hamed, Hany Mostafa Esmaeil Osman, Mostafa Samy Abbas, Oliver, Joannes-Boyau, Nicolas, Barraud, Corentin, Berthelot, Thibault, Camus, Anissa, Dahmi, Mylène, Defaye, Sébastien, Derville, Younes, El-Boustani, Elsa, Deloge, Hélène, Jacob, Simon, Monziols, Fred, Priem, Jean-Jacques, Robin, Vincent, Legros, Therry, Floch, Salvatore, Muccio, Claire, Geneve, Marie Lim Legouge, Stéphanie Tao Mauny, Willy, Mfam, Léa, Pascot, Christophe, Aveline, Mireille, Chartier, Benjamin, Duteurtre, Jean Francois Gautier, Aidren Le Cousin, Pierre, Vautier, Julien, Nadaud, Nathalie, Begel, Claire-Annissa, Chekirine, Vincent, Derlon, Elodie, Grein, Marie-Annick, Lehair, Laurent, Magazzeni, Philippe, Magazzeni, Carsten, Potter, Catherine, Roth, Florence, Voivret, Thomas, Rimmelé, Valérie, Cerro, Stéphanie, Suria, Jamil, Elmawieh, Annabelle, Stoclin, Cédric, Cirenei, Gregoire, Andrieu, Sven, Couloumy, Jeremy, Falcone, Marion, Fajardy, Arsène, Gagneuil, Emeline, Girardet, Agnès, Mazereeuw, Sébastien, Ponsonnard, Pierre-Yves, Egreteau, Mélanie, Bertel, Simon, Bocher, Vanessa, Carn, Lenaïg Le Guen, Guillaume Le Loup, Montaine, Lefevre, Carole, Ichai, Amanita, Diop, Vanessa, Jean-Michel, Sylvie, Devlieger, Juliette, Duthoit, Mohamed El Kadiri, Maxime, Léger, Viviane, Cassisa, Sigismond, Lasocki, Charline, Masson, Emmanuel, Rineau, Pierre, Verrier, Axel, Coquerel, Philippe, Montravers, Enora, Atchade, Charles-Edouard, Rochon, Céline, Delerue, Vidal, Quentin, Vanessa, Latry, Nina, Queixalos, Vincent, Cottenceau, Thierry, Braun, Saad, Bouzoubaa, Basile, Christ, Audrey, Geiger, Joachim, Gomille, Vianney, Kieffer, Simone, Mangeant, Christelle, Prochilo, Christian, Schmitt, Stefan, Skwirba, Hubert, Grand, Frédérique, Boury, Nicolas, Mayeur, Marie, Pasquie, Pierre, Garçon, Vincent, Bruckert, Vincent, Arnould, Mona, Bonciu, Thibault, Chapelle, Luc, Facchino, Florence, Fagot-Gandet, Andrea, Iachim, Elena, Mannu, Olivier, Perus, Rémi, Plattier, Romain, Rozier, Gaël, Pradel, Michel, Boudinaud, Marie-Hélène, Hausermann, My Hue Nguyen, Andersen, Ramorasata, Amélie, Barreau, Anne-Hélène, Boivin, Céline, Ravry, Nicolas, Mottard, Johanne, Beuvelot, Florence Prunier Bossion, Olivier, Desebbe, Alexander, Zarbock, Christian, Dörr, Thilo Caspar von Groote, Mira, Küllmar, Christina, Massoth, Melanie, Meersch, Khaschayar, Saadat-Gilani, Raphael, Weiss, Carola, Wempe, Sebastian, Ziemann, Linda, Grüßer, Ana, Kowark, Pia, Wittig, Timo, Brandenburger, Thomas, Dimski, Niklas, Döhmen, Laura, Huthmann, Daniela, Kaierle, Claude, Pelletier, Manon, Schleß, Andreas, Hohn, Sebastian, Cleophas, Stephanie, Haunhorst, Marina, Jansen, Alexandra, Schmitt, Julia, Soisch, Kilian, Sturm, Peter, Rosenberger, Alexander, Bendig, Lena, Flohr, Helene, Häberle, Pascal, Hofmann, Jonathan, Kuhle, Nora Michaela Leser, Kathrin, Pfister, Stefanie, Prohaska, Franziska, Sennholz, Lena, Stetz, Kathrin, Weber, Sebastian, Stehr, Stephan, Klaus, Marco, Sadlo, Matthias, Boschin, Christian, Sengelhoff, Ulrich Michael Göbel, Jan Gerrit Haaker, Carina-Kristin, Göttker, Matthias, Gründel, Matthias, Heringlake, Romina, Baumgärtel, Astrid, Berggren, Madeleine, Gülzow, Lennart, Muras, Hauke, Paarmann, Serge, Thal, Alexander, Bentley, Dschamil, El-Masri, Anne, Sebastiani, Eleni, Arnaoutoglou, Maria, Ntalouka, Paula, Stratigopoulou, Anastasia, Analytis, Efthymios, Mavrommatis, Petros, Tzimas, Agathi, Karakosta, Danai, Pantazi, Antonia, Dimakopoulou, Katerina, Dimitropoulou, Orestis, Ioannidis, Humam, Jalaawiy, Aeshah, Anwar, Hashim Talib Hashim, Hogir Imad Rasheed Aldawoody, Andrea, Cortegiani, Giulia, Catalisano, Gilia, Ingoglia, Mariachiara, Ippolito, De Rosa, Silvia, Lucia, Cattin, Andrea, Bianchin, Marisa, Barone, Gianluca, Paternoster, Salvatore Lucio Cutuli, Andrea, Russo, Liliana, Sollazzi, Laura, Cascarano, Massimo, Antonelli, Paola, Aceto, Bruno, Romanò, Savino, Spadaro, Vincenzo Francesco Tripodi, Michele, Rossi, Rosamaria, Scappatura, Maria Cristina Vadalà, Diego, Fiume, Maria Teresa Strano, Giulia, Oddo, Clemente, Santorsola, Bilal Abu Hussain, Adnan Raed Alnaser, Anas Hassouneh Ghassan, Khaled, Hasanein, Mohammed, Theab, Seokyung, Shin, Seungho, Jung, Kyuho, Lee, Sung Mee Jung, Jongyoon, Baek, Muhammed, K Elhadi, Issa, Abuzeid, Mohammed, Albaraesi, Sarah, Aldressi, Wegdan, Khalel, Eman, Abdulwahed, Akram Abdulhamid Ashur Abujrad, Amer, Almaghrabi, Muhand Mohammed Alteleeb, Entisar Ahmed Ali Alshareea, Marwa Isa Biala, Abdulqudus, Deeknah, Dooua Ali Gheddim, Reem, Ghmagh, Nawras Salih Ali AbuIkhrays, Marwa, Sinan, Enas, Soula, Sumayyah Ghayth Bahroun, Khawla, Derwish, Aya Munir Mohamed, Eman Sayed Younes, Rayet Al Islam Benjouira, Mohamed, Aliwa, Najwa Abdullah Altashani, Mohammed Omar Alteb, Ahmed, Msherghi, Fatima, Alagelli, Sufyan, Albarouni, Ahmed, Albishti, Sarah, Aljamal, Mohamed, Alsori, Taha, Ekhuja, Suha, Elzwai, Mohammed, Ghula, Tahani, Mustafa, Ahmed, Tuwaib, Haifa, Zriba, Hamza Mahmoud Agilla, Toky Andriamahefa Rafanomezantsoa, Anne Marie Camilleri Podesta, Denise Mifsud Bonnici, Tiziana, Pirotta, Gilberto Adrián Gasca López, Maja Mojsova Mijovska, Tatjana, Davitkovska, Aleksandra, Gavrilovska, Sanja, Lukikj, Marija, Vesova, Dina, Zafirova, Sarah, Amro, Baraa N, F Hajjaj, Muawia, Alkhazendar, Yousuf, Barakat, Sewar Abdulaziz Elejla, Ahmed, Elhissi, Ahmed, Khader, Ali, Salem, Rita de Freitas Regufe, André Filipe de Oliveira Eloy, Lisbete Marisa Neto Cordeiro Perdigão, Evgeny, Grigoriev, Artem, Ivkin, Roman, Kornelyuk, Michael, Yaroustovsky, Marina, Abramyan, Ekaterina, Komardina, Nataliya, Lesteva, Medina, Aybazova, Elmira, Kumykova, Svetlana, Lesina, Gennady, Rybakov, Alexey, Shestov, Abdulnaser Ahmad Ahmad Barmou, Bushra Lotfi Altayeb Ahmed, Aisha Mohammad Eliyas, Yousra, Emadeldin, Alexander, Kaserer, Clara, Castellucci, Julian, Rössler, Samira, Akbas, Andreja Möller Petrun, Irena, Gregorcic, Vesna, Sok, Roman, Čičak, Elizabeth, Bárcena, Antonio, Guisado, Ismail, Wi, Javier Ripollés Melchor, Ángel, Becerra-Bolaños, Sergio, Cabrera-Doreste, Ancor, Domínguez-Arbelo, María Candelaria Delgado-Alonso, Virginia, Muiño-Palomar, Aurelio, Rodríguez-Pérez, Javier Mata Estévez, Maria Begona Covas Munoz, Juan Mulet Matas, Sara Perez Palao, Maria Dolores Mira Quirós, Alisia Cezara Teslev, Mercedes Garcia Alvarez, Marga, Argilaga, María, Campos, Albert, Bainac, Astrid, Batalla, Marta, Giné, Gracia, Herránz, Ignacio, Hinojal, Margarita Logroño Ejea, Noelia de la Rosa Ruiz, María Gastaca Abasolo, Carla Rosario Houhton Acuna, Ibai Iriarte Zaranton, Ana, Mendigurenmurua, María José Munoz Sanz, Erika Olea de la Fuente, María Pilar Pérez Vaquero, Ana Soto Iglesias, Ana Ugarte Mieres, Alaitz Urtiaga Urrestizala, Lourdes, Ferreira, Félix, Lobato, Marta Aguado Sevilla, Andres, Erazo, Pere, Miró, Sergi, Sabaté, Diana, Vernetta, Berta Castellano Paulis, Anabel Adell Perez, Marta Aseguinolaza Pagola, Elena delVal Peciña, Ainhoa Garmendia Odriozola, Amaia Lopetegi Aizpurua, Olatz Pavón Piquer, Pilar Plou Garcia, Paula Ortega Rezola, Antia Osorio Lopez, Isabel de la Calle Gil, Rosalía Navarro Casado, Peter, Adamove, Roser Bayona Domenge, Francho Miguel Blasco Blasco, Adriana Alexandra Rueda Villamizar, Maria Antonia Perelló Llaneras, Jose Ignacio García-Sánchez, Laura Fernandez Téllez, Sara García Zamorano, Natalia Gijón Herreros, Andrea Rodriguez Esteve, Pablo Monedero Rodríguez, Isabel García Trigo, Agustín, Alcaraz, Andrea Lara Jiménez, Iñigo, Rubio, Nuria, García, Raquel, Callejas, Angel Manuel Candela Toha, Eli, Claros, Pilar, Cobeta, Pascual, Crespo, Trini, Dorado, Elena, Elías, Javier, Felices, Diego, Gil, María, Gómez, Nuria, Mané, María, Martín, Adolfo, Martínez, Lucía, Pereira, Alberto Balvis Noemí Samaranch, Ana, Serrano, Carlos, Tiscar, Judith, Villahoz, Patricia Galán Menéndez, Elena, Cardona, Anna, Conesa, Veronica, Estepa, Patricia, Galán, Laura Llinares Espí, Yuri Loaiza Aldeán, Susana, Manrique, Víctor Morales Ariza, Laura Villarino Villa, Elfayadh Saidahmed Mohamed Amed Suliman, Hytham, Hamid, Ahmed Mohamed Ibrahim, Modather Mohamed Saeed, Orhan Sungur Mukadder, Demet, Altun, Nur, Canbolat, Müşerref Beril Dinçer, Tulay Özkan Seyhan, Serap Aktaş Yıldırım, Müzeyyen, İyigün, Davut, Yapıcı, Levent, Özdemir, Aslinur, Sagun, Neval, Boztug, Yesim, Cetintas, Bora, Dinc, Emel, Gündüz, Hakkı, Ünlügenç, Demet Lafli Tunay, Deniz, Karakaya, Burhan, Dost, Ozgur, Komurcu, Özlem Korkmaz Dilmen, Eren Fatma Akcil, Yusuf, Tunali, Gülay, Ok, Eda Tok Alsina, Özge, Hakli, Cengiz, Polat, Namigar, Turgut, Nurcan, Kızılcık, Özge, Köner, Öznur, Şen, Nurdan, Aydin, Burcu, Basaran, Emre Sertac Bingul, Yavuz, Gürkan, Kamil, Darcin, Semra, Ugur, Kemal Tolga Saracoglu, Asli, Demir, Özgök, Aysegül, Eda, Balci, Behic, Girgin, Aygun, Guler, Ümit, Karadeniz, Nihal, Özaslan, Yigit Özay Hülya, Namik, Ozcan, Aysun, Postaci, Mehmet, Sahap, Nevriye, Salman, Özlem, Sağır, Bulent, Atik, Murat, Bicakcioglu, Hafize Fisun Demir, Ugün, Fatih, Nazan, Kocaoglu, Hüseyin Ilksen Toprak, Duygu Demiröz Aslan, Yusuf Ziya Colak, Mustafa Soner Ozcan, Mehmet, Yilmaz, Umran, Karaca, Sevtap Hekimoglu Sahin, Özlem Ersoy Karka, Gizem Demir Şenoğlu, Süheyla Erkoç Karadağ, Neslihan, Alkis, Volkan, Baytaş, Engin, Erturk, Ali, Akdogan, Ahmet, Besir, Dilek, Kutanis, Sedat, Saylan, Ersagun, Tugcugil, Pinar, Ayvat, Berrin, Günaydın, Beyza Mehri Büyükgebiz, Omer Faruk Boran, Feyza, Calisir, Yavuz, Orak, Bahar Kuvaki Balkan, Sibel, Büyükcoban, Erol, Gökel, Sakize Ferim Günenc, Sule, Özbilgin, Suna, Göre, Selcan, Akesen, Seda, Cansabuncu, Natalia, Momot, Anna, Panchenko, Jean-Francois, Pittet, Kristen, Rutledge, Tıp Fakültesi, Weiss, R, Saadat-Gilani, K, Kerschke,L, Wempe,C, Meersch, M, Zarbock, A, Cortegiani, A, and Ippolito, M

Subjects
Epidemiology, urologic and male genital diseases, acute renal failure, Adult Intensive & Critical Care, Anaesthesia, Cohort Studies, surgery, chronic renal failure, Humans, Multicenter Studies as Topic, Prospective Studies, adult intensive & critical care, urogenital system, Incidence, General Medicine, Acute Kidney Injury, female genital diseases and pregnancy complications, critical care, Renal Replacement Therapy, Observational Studies as Topic, epidemiology, Acute Renal Failure, Surgery, adult intensive &amp, Chronic Renal Failure
Abstract

Sağır, Özlem (Balikesir Author), Introduction More than 300 million surgical procedures are performed each year. Acute kidney injury (AKI) is a common complication after major surgery and is associated with adverse short-term and long-term outcomes. However, there is a large variation in the incidence of reported AKI rates. The establishment of an accurate epidemiology of surgery-associated AKI is important for healthcare policy, quality initiatives, clinical trials, as well as for improving guidelines. The objective of the Epidemiology of Surgery-associated Acute Kidney Injury (EPIS-AKI) trial is to prospectively evaluate the epidemiology of AKI after major surgery using the latest Kidney Disease: Improving Global Outcomes (KDIGO) consensus definition of AKI. Methods and analysis EPIS-AKI is an international prospective, observational, multicentre cohort study including 10 000 patients undergoing major surgery who are subsequently admitted to the ICU or a similar high dependency unit. The primary endpoint is the incidence of AKI within 72 hours after surgery according to the KDIGO criteria. Secondary endpoints include use of renal replacement therapy (RRT), mortality during ICU and hospital stay, length of ICU and hospital stay and major adverse kidney events (combined endpoint consisting of persistent renal dysfunction, RRT and mortality) at day 90. Further, we will evaluate preoperative and intraoperative risk factors affecting the incidence of postoperative AKI. In an add-on analysis, we will assess urinary biomarkers for early detection of AKI. Ethics and dissemination EPIS-AKI has been approved by the leading Ethics Committee of the Medical Council North Rhine-Westphalia, of the Westphalian Wilhelms-University Münster and the corresponding Ethics Committee at each participating site. Results will be disseminated widely and published in peer-reviewed journals, presented at conferences and used to design further AKI-related trials. Trial registration number NCT04165369. ©

Published
2021

3. Reconstituted High-density Lipoprotein Therapy Improves Survival in Mouse Models of Sepsis

Author

Sébastien Tanaka, Cynthia Planesse, Philippe Montravers, Jennyfer Yong-Sang, Nathalie Zappella, Olivier Meilhac, Jacques Duranteau, Matthieu Bringart, Erick Denamur, David Couret, Liliane Louedec, Wildriss Viranaicken, and Claire Geneve

Subjects
0301 basic medicine, Male, medicine.medical_treatment, Intraperitoneal injection, 030204 cardiovascular system & hematology, Pharmacology, Sepsis, 03 medical and health sciences, Cecum, chemistry.chemical_compound, Mice, 0302 clinical medicine, High-density lipoprotein, medicine, Animals, Humans, Tissue Distribution, Saline, Survival rate, business.industry, Cholesterol, HDL, medicine.disease, Mice, Inbred C57BL, Disease Models, Animal, 030104 developmental biology, Anesthesiology and Pain Medicine, medicine.anatomical_structure, chemistry, Phosphatidylcholines, Female, Ligation, business, Lipoproteins, HDL, Lipoprotein
Abstract

Background High-density lipoproteins exert pleiotropic effects including antiinflammatory, antiapoptotic, and lipopolysaccharide-neutralizing properties. The authors assessed the effects of reconstituted high-density lipoproteins (CSL-111) intravenous injection in different models of sepsis. Methods Ten-week-old C57BL/6 mice were subjected to sepsis by cecal ligation and puncture or intraperitoneal injection of Escherichia coli or Pseudomonas aeruginosa pneumonia. CSL-111 or saline solution was administrated 2 h after the sepsis. Primary outcome was survival. Secondary outcomes were plasma cell-free DNA and cytokine concentrations, histology, bacterial count, and biodistribution. Results Compared with saline, CSL-111 improved survival in cecal ligation and puncture and intraperitoneal models (13 of 16 [81%] survival rate vs. 6 of 16 [38%] in the cecal ligation and puncture model; P = 0.011; 4 of 10 [40%] vs. 0 of 10 [0%] in the intraperitoneal model; P = 0.011). Cell-free DNA concentration was lower in CSL-111 relative to saline groups (68 [24 to 123] pg/ml vs. 351 [333 to 683] pg/ml; P < 0.001). Mice injected with CSL-111 presented a decreased bacterial count at 24 h after the cecal ligation and puncture model both in plasma (200 [28 to 2,302] vs. 2,500 [953 to 3,636] colony-forming unit/ml; P = 0.021) and in the liver (1,359 [360 to 1,648] vs. 1,808 [1,464 to 2,720] colony-forming unit/ml; P = 0.031). In the pneumonia model, fewer bacteria accumulated in liver and lung of the CSL-111 group. CSL-111–injected mice had also less lung inflammation versus saline mice (CD68+ to total cells ratio: saline, 0.24 [0.22 to 0.27]; CSL-111, 0.07 [0.01 to 0.09]; P < 0.01). In all models, no difference was found for cytokine concentration. 111Indium bacterial labeling underlined a potential hepatic bacterial clearance possibly promoted by high-density lipoprotein uptake. Conclusions CSL-111 infusion improved survival in different experimental mouse models of sepsis. It reduced inflammation in both plasma and organs and decreased bacterial count. These results emphasized the key role for high-density lipoproteins in endothelial and organ protection, but also in lipopolysaccharide/bacteria clearance. This suggests an opportunity to explore the therapeutic potential of high-density lipoproteins in septic conditions. Editor’s Perspective What We Already Know about This Topic What This Article Tells Us That Is New

Published
2020

4. Morbidity and mortality related to pneumonia and TRACHEOBRONCHITIS in ICU after lung transplantation

Author

Yves Castier, Régis Bronchard, Nathalie Grall, Pascal Augustin, Hervé Mal, Mathieu Desmard, Claire Geneve, Gianpiero Tebano, Sébastien Tanaka, Mathieu Godement, Philippe Montravers, Enora Atchade, and Pascal Piednoir

Subjects
Pulmonary and Respiratory Medicine, Male, medicine.medical_specialty, Time Factors, medicine.medical_treatment, Kaplan-Meier Estimate, 030230 surgery, 03 medical and health sciences, 0302 clinical medicine, Tracheobronchitis, Internal medicine, Epidemiology, Medicine, Lung transplantation, Humans, Hospital Mortality, Respiratory system, Mortality, Bronchitis, Retrospective Studies, Mechanical ventilation, lcsh:RC705-779, business.industry, Mortality rate, Pneumonia, Ventilator-Associated, Bacterial Infections, Pneumonia, lcsh:Diseases of the respiratory system, Length of Stay, Middle Aged, medicine.disease, Respiration, Artificial, Intensive Care Units, Logistic Models, 030228 respiratory system, Multivariate Analysis, ICU, Female, France, Morbidity, business, Research Article
Abstract

Background Bacterial respiratory infections (BRI) are major complications contributing to increased morbidity and mortality after lung transplantation (LT). This study analyzed epidemiology and outcome of 175 consecutive patients developing BRI in ICU after LT between 2006 and 2012. Methods Three situations were described: colonization determined in donors and recipients, pneumonia and tracheobronchitis during the first 28 postoperative days. Severity score, demographic, bacteriologic and outcome data were collected. Results 26% of donors and 31% of recipients were colonized. 92% of recipients developed BRI, including at least one episode of pneumonia in 19% of recipients. Only 21% of recipients developed BRI with an organism cultured from the donor’s samples, while 40% of recipients developed BRI with their own bacteria cultured before LT. Purulent sputum appears to be an important factor to discriminate tracheobronchitis from pneumonia. When compared to patients with tracheobronchitis, those with pneumonia had longer durations of mechanical ventilation (13 [3–27] vs 3 [29], p = 0.0005) and ICU stay (24 [16–34] vs 14 [9-22], p = 0.002). Pneumonia was associated with higher 28-day (11 (32%) vs 9 (7%), p = 0.0004) and one-year mortality rates (21 (61%) vs 24 (19%), p ≤ 0.0001). Conclusions These data confirm the high frequency of BRI right from the early postoperative period and the poor prognosis of pneumonia after LT.

Published
2018

5. Fungal Isolation in Respiratory Tract After Lung Transplantation: Epidemiology, Clinical Consequences, and Associated Factors

Author

Gianpiero Tebano, C. De Tymowski, Sébastien Tanaka, Mathieu Desmard, Nathalie Zappella, Alexy Tran-Dinh, Enora Atchade, Hervé Mal, S. Houze, Yves Castier, Elie Kantor, Claire Geneve, Philippe Montravers, Laboratoire de Recherche Vasculaire Translationnelle (LVTS (UMR_S_1148 / U1148)), Institut National de la Santé et de la Recherche Médicale (INSERM)-Université de Paris (UP)-Université Sorbonne Paris Nord, Laboratoire de Mathématiques et Modélisation d'Evry, Institut National de la Recherche Agronomique (INRA)-Université d'Évry-Val-d'Essonne (UEVE)-Centre National de la Recherche Scientifique (CNRS), CCSD, Accord Elsevier, AP-HP - Hôpital Bichat - Claude Bernard [Paris], Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP), Centre Hospitalier Sud Francilien, Centre de recherche sur l'Inflammation (CRI (UMR_S_1149 / ERL_8252 / U1149)), Institut National de la Santé et de la Recherche Médicale (INSERM)-Centre National de la Recherche Scientifique (CNRS)-Université Paris Cité (UPCité), Institut National de la Santé et de la Recherche Médicale (INSERM)-Université Paris Cité (UPCité)-Université Sorbonne Paris Nord, Diabète athérothrombose et thérapies Réunion Océan Indien (DéTROI), Université de La Réunion (UR)-Institut National de la Santé et de la Recherche Médicale (INSERM), Physiopathologie et Epidémiologie des Maladies Respiratoires (PHERE (UMR_S_1152 / U1152)), and Institut National de la Santé et de la Recherche Médicale (INSERM)-Université Paris Cité (UPCité)

Subjects
Male, medicine.medical_specialty, medicine.medical_treatment, [SDV]Life Sciences [q-bio], Respiratory System, 030230 surgery, law.invention, 03 medical and health sciences, 0302 clinical medicine, Postoperative Complications, Interquartile range, law, Risk Factors, Internal medicine, Epidemiology, medicine, Odds Ratio, Prevalence, Lung transplantation, Humans, Risk factor, Candida, 0303 health sciences, Transplantation, 030306 microbiology, business.industry, Mortality rate, Odds ratio, Middle Aged, Prognosis, Intensive care unit, 3. Good health, [SDV] Life Sciences [q-bio], medicine.anatomical_structure, Mycoses, Surgery, Female, business, Respiratory tract, Lung Transplantation
Abstract

International audience; Background: Fungus-positive respiratory samples (FPRS) are common in the intensive Care unit (ICU) and are usually considered to correspond to colonization. The management of FPRS during the early postoperative course after lung transplantation (LT) remains unclear. The epidemiology, clinical consequences, and prognosis of FPRS were assessed in LT recipients.Methods: Over a 6-year period, we analyzed the postoperative ICU course of 176 LT recipients with a specific focus on microbiological results of routine respiratory samples and clinical course. The outcomes during the ICU stay at day 28 and at 1 year were compared in patients with or without FPRS. Results are expressed as median and interquartile range.Results: In the pretransplantation period, Candida spp were reported in 17% of patients. No routine post-LT antifungal prophylaxis was initiated. In the post-LT period, at least 1 FPRS was observed in 69% of patients (93% Candida spp, 7% Aspergillus spp). Double LT (odds ratio = 4.15, 95% confidence interval [1.67-11.80], P = .0007) was the only risk factor associated with Candida spp in respiratory samples. Antifungal therapy was administered in 58% of patients with post-LT Candida-positive samples. Candida spp in post-LT respiratory samples were not associated with increased ICU, 28-day, or 1-year mortality rates.Conclusion: A high prevalence of FPRS is reported after LT, mainly with Candida spp. The lack of association between post-LT FPRS and mortality and morbidity suggests avoiding antifungal therapy in the absence of clinical signs of invasive infection.

Published
2019

6. Epidemiology and risk factors of multidrug-resistant bacteria in respiratory samples after lung transplantation

Author

Pascal Augustin, Sébastien Tanaka, Gabriel Thabut, Yves Castier, Nathalie Grall, Enora Atchade, Gianpiero Tebano, Mathieu Desmard, Claire Geneve, and Philippe Montravers

Subjects
Male, medicine.medical_specialty, Imipenem, medicine.drug_class, Cefepime, Antibiotics, Enterobacter, 03 medical and health sciences, Postoperative Complications, 0302 clinical medicine, Enterobacteriaceae, Risk Factors, Drug Resistance, Multiple, Bacterial, Internal medicine, medicine, Humans, 030212 general & internal medicine, Retrospective Studies, Transplantation, Cilastatin, biology, business.industry, Bacterial Infections, Middle Aged, biology.organism_classification, Anti-Bacterial Agents, Hospitalization, Ciprofloxacin, Intensive Care Units, Infectious Diseases, 030228 respiratory system, Amikacin, Ticarcillin, Pseudomonas aeruginosa, Immunology, Female, business, Lung Transplantation, medicine.drug
Abstract

BACKGROUND Multidrug-resistant (MDR) bacteria are a growing concern worldwide. The aim of this study was to describe the epidemiology and risk factors of MDR bacteria detected in respiratory invasive samples during hospitalization in the intensive care unit (ICU) after lung transplantation (LT). METHODS This study was based on a retrospective analysis of 176 patients hospitalized in the ICU after LT in 2006-2012. Respiratory invasive samples were performed according to a routine protocol. MDR pathogens were defined according to in vitro susceptibility tests. RESULTS A total of 1176 bacteria were cultured. Susceptibility testing was performed on 1046 strains and 404 (39%) MDR were detected in 90 (51%) patients. Pseudomonas aeruginosa, coagulase-negative staphylococci, and Enterobacteriaceae (mainly Enterobacter species) were the most common MDR pathogens. On multivariate analysis, an ICU stay >14 days, presence of a tracheostomy, and previous exposure to broad-spectrum antibiotics were associated with MDR acquisition (odds ratio [OR] 3.7; 95% confidence interval [1.69-8.12]; OR 3.28 [1.05-10.28]; and OR 2.25 [1.17-4.34], respectively). We consistently observed an increasing emergence of resistance to several antibiotics, from week 1 to week 4 of ICU hospitalization: for ticarcillin, piperacillin-tazobactam, ceftazidime, imipenem/cilastatin, amikacin, and ciprofloxacin in P. aeruginosa; and for piperacillin-tazobactam, cefepime, and amikacin in Enterobacteriaceae. CONCLUSION A large proportion of MDR bacteria are detected on respiratory invasive samples in LT patients, and the risk of their emergence is mainly determined by the previous exposure to broad-spectrum antibiotics and the length of ICU stay. Adequate treatment requires broad-spectrum empiric antibiotic therapy.

Published
2016

7. Impact of iron deficiency diagnosis using hepcidin mass spectrometry dosage methods on hospital stay and costs after a prolonged ICU stay: Study protocol for a multicentre, randomised, single-blinded medico-economic trial

Author

Sigismond Lasocki, Hervé Puy, Grégoire Mercier, Sylvain Lehmann, Pierre Asfar, Alain Mercat, Thomas Gaillard, Soizic Gergaud, Cyrille Sargentini, Claire Geneve, Philippe Montravers, Thibault Lefebvre, Herve Puy, Nicolas Nagot, Constance Delaby, Christophe Hirtz, Jérôme Vialaret, Gerald Chanques, Samir Jaber, Karim Asehnoune, Antoine Roquilly, Claire Dahyot-Fizelier, Olivier Mimoz, Sonia Isslame, Philippe Seguin, Mathilde Barbaz, Martine Ferrandiere, Centre Hospitalier Universitaire d'Angers (CHU Angers), PRES Université Nantes Angers Le Mans (UNAM), Physiopathologie Cardiovasculaire et Mitochondriale (MITOVASC), Université d'Angers (UA)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Centre National de la Recherche Scientifique (CNRS), Biologie Neurovasculaire et Mitochondriale Intégrée (BNMI), Centre de recherche sur l'Inflammation (CRI (UMR_S_1149 / ERL_8252 / U1149)), Institut National de la Santé et de la Recherche Médicale (INSERM)-Centre National de la Recherche Scientifique (CNRS)-Université Paris Diderot - Paris 7 (UPD7), Laboratoire d'Excellence : Biogenèse et pathologies du globule rouge (Labex Gr-Ex), Université Paris Diderot - Paris 7 (UPD7)-Université Sorbonne Paris Cité (USPC)-Institut National de la Santé et de la Recherche Médicale (INSERM), Hopital Louis Mourier - AP-HP [Colombes], Centre Hospitalier Régional Universitaire [Montpellier] (CHRU Montpellier), Cellules Souches, Plasticité Cellulaire, Médecine Régénératrice et Immunothérapies (IRMB), Centre Hospitalier Régional Universitaire [Montpellier] (CHRU Montpellier)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Université de Montpellier (UM), Hôpital Louis Mourier - AP-HP [Colombes], Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP), and Université de Montpellier (UM)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Centre Hospitalier Régional Universitaire [Montpellier] (CHRU Montpellier)

Subjects
Adult, Male, medicine.medical_specialty, Critical Illness, Hepcidin, Anaemia, Critical Care and Intensive Care Medicine, Mass Spectrometry, Young Adult, 03 medical and health sciences, 0302 clinical medicine, Hepcidins, hemic and lymphatic diseases, Humans, Medicine, Single-Blind Method, Icu stay, 030212 general & internal medicine, Intensive care medicine, Aged, Aged, 80 and over, Anemia, Iron-Deficiency, biology, business.industry, Metabolism hormone, Iron deficiency, Muscle weakness, 030208 emergency & critical care medicine, General Medicine, Middle Aged, medicine.disease, 3. Good health, Ferritin, Intensive Care Units, Critical care, Medical costs, Anesthesiology and Pain Medicine, biology.protein, Length of stay, Female, Who criteria, medicine.symptom, business, Hospital stay, [SDV.MHEP]Life Sciences [q-bio]/Human health and pathology
Abstract

Iron deficiency (ID) is frequent but difficult to diagnose in critically ill patients. ID may be responsible for prolonged post-ICU hospital stays, since it results in fatigue, muscle weakness and anaemia. Hepcidin, the key iron metabolism hormone, may be a good marker of ID in these patients. The aim of this study is to determine whether using mass spectrometry hepcidin determination to diagnose (and treat) ID after prolonged ICU stays may reduce patients' subsequent hospital stays and costs in comparison with conventional (ferritin) methods.This is a randomised, controlled, single-blinded, multicentre medico-economic study. Hepcidin quantification will be performed in anaemic (WHO criteria) critically ill adults about to be discharged, after a stay ≥5days. In the intervention arm (hepcidin) results will be given to the ICU-physicians, and not in the control arm. ID Treatment will be recommended in intervention arm: IV iron when hepcidin is20μg/L; IV iron+erythropoietin when hepcidin is between 20-41μg/L; in the control arm: IV iron when ferritin300μg/L and Transferrin saturation20%. The primary endpoint will be the number of days spent in hospital 90 days after ICU discharge and the direct hospital costs. Secondary endpoints will be anaemia and iron deficiency on D15, fatigue and the proportion of patients alive and at home on D30 and D90.The results of this study will show whether diagnosing iron deficiency using MS hepcidin determination methods is liable to reduce patients' post-ICU hospital stay and costs, as well as their anaemia and fatigue.

Published
2017

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