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1. Electrical impedance tomography in perioperative medicine: careful respiratory monitoring for tailored interventions

Author

Elena Spinelli, Tommaso Mauri, Alberto Fogagnolo, Gaetano Scaramuzzo, Annalisa Rundo, Domenico Luca Grieco, Giacomo Grasselli, Carlo Alberto Volta, and Savino Spadaro

Subjects
Electrical impedance tomography, Perioperative medicine, Hemodynamic monitoring, Non-operating room anaesthesia, Anesthesiology, RD78.3-87.3
Abstract

Abstract Background Electrical impedance tomography (EIT) is a non-invasive radiation-free monitoring technique that provides images based on tissue electrical conductivity of the chest. Several investigations applied EIT in the context of perioperative medicine, which is not confined to the intraoperative period but begins with the preoperative assessment and extends to postoperative follow-up. Main body EIT could provide careful respiratory monitoring in the preoperative assessment to improve preparation for surgery, during anaesthesia to guide optimal ventilation strategies and to monitor the hemodynamic status and in the postoperative period for early detection of respiratory complications. Moreover, EIT could further enhance care of patients undergoing perioperative diagnostic procedures. This narrative review summarizes the latest evidence on the application of this technique to the surgical patient, focusing also on possible future perspectives. Conclusions EIT is a promising technique for the perioperative assessment of surgical patients, providing tailored adaptive respiratory and haemodynamic monitoring. Further studies are needed to address the current technological limitations, confirm the findings and evaluate which patients can benefit more from this technology.

Published
2019
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2. Correction to: Electrical impedance tomography in perioperative medicine: careful respiratory monitoring for tailored interventions

Author

Elena Spinelli, Tommaso Mauri, Alberto Fogagnolo, Gaetano Scaramuzzo, Annalisa Rundo, Domenico Luca Grieco, Giacomo Grasselli, Carlo Alberto Volta, and Savino Spadaro

Subjects
Anesthesiology, RD78.3-87.3
Abstract

Following publication of the original article [1], the authors reported that one of the co-authors has a mistake in the author name; the middle name and surname are switched. This is the correct information.

Published
2019
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3. Intubation Practices and Adverse Peri-intubation Events in Critically Ill Patients From 29 Countries

Author

Russotto V., Myatra S. N., Laffey J. G., Tassistro E., Antolini L., Bauer P., Lascarrou J. B., Szuldrzynski K., Camporota L., Pelosi P., Sorbello M., Higgs A., Greif R., Putensen C., Agvald-Ohman C., Chalkias A., Bokums K., Brewster D., Rossi E., Fumagalli R., Pesenti A., Foti G., Bellani G., Hazem Abdelkarem Ahmed, Neill K J Adhikari, Kehari Agrawal, Nipun Agrawal, Hernan Aguirre-Bermeo, Christina Agvald-Öhman, Meraj Ahmad, Samareh Ajami, Shazia N Akhtar, Adnan Alghamdi, Abdulmueti Alhadi, Syed M Ali, Mohd N Ali, Anita Alias, Ghaleb Almekhlafi, Julio Alonso, Diana Alvarez Montenegro, Rubina Aman, Matthew Anstey, Irene Aragão, Eleni Arnaoutoglou, Elie Azoulay, Laura Baccari, Nishanth Baliga, Ramya Ballekatte Manjunath, Shrirang Bamane, Anna Bandert, Roland Bartholdy, Marta Basto, Vera Baturova, Philippe R Bauer, Agrippino Bellissima, Vladislav Belsky, Prashant Bendre, Annalisa Benini, Sebastien Besset, Mahuya Bhattacharyya, Piotr Bielanski, Luca Bigatello, Florence Boissier, Kristaps Bokums, Elisa Boni, Iwona Bonney, David Bowen, Alexandre Boyer, Luca Brazzi, David Brewster, Lina Broman, Alexander Browne, Cedric Bruel, Yannick Brunin, Guillermo Bugedo, Italo Calamai, Patricia Campos, Federico G Canavosio, Iacopo Cappellini, Marco Cascella, Nuno Catorze, Athanasios Chalkias, Benoit Champigneulle, Juhi Chandwani, Anne Chao, Satish Chaurasia, Rajesh Chawla, Aakanksha Chawla, Olivia Cheetham, Frank Chemouni, Lee Chew Kiok, Jung-Yien Chien, Timothy Chimunda, Ching-Tang Chiu, Fernando Chiumiento, Nai-Kuan Chou, Nicolas Chudeau, Sandra Colica, Gwenhael Colin, Jean-Michel Constantin, Damien Contou, Andrea Cortegiani, Paulo F Costa, Vasco Costa, Andrea Costamagna, Antonella Cotoia, Andrea N Cracchiolo, Petra Crone, Rui P Cunha, Renata Curić Radivojević, Amit Das, Sampat Dash, Gennaro De Pascale, Silvia De Rosa, Lorenzo Del Sorbo, Valentina Della Torre, Barbara Di Caprio, Raffaele Di Fenza, Ida Di Giacinto, Aikaterini Dimitropoulou, Marcel Dudda, Christopher Edmunds, Stefan F Ehrentraut, Nadia El-Fellah, Muhammed Elhadi, Ahmed Elhadi, Patricia Escudero-Acha, Missael Espinoza, Clelia Esposito, Fabrizio Fabretti, Daniel G Fein, Massimo Ferluga, Marco Fernandes, Alexis Ferre, Janet Ferrier, Marek Flaksa, Fernando Flores, Jesus Flores Gonzalez, Xavier E Fonseca Fuentes, Roland Francis, Daniela G Franco, Pawel Franczyk, Jean-Pierre Frat, Mikhail Furman, Maurizio Fusari, Piotr Galkin, Alice Gallo de Moraes, Renato Gammaldi, Maria F García Aguilera, Eugenio Garofalo, Tomasz Gaszynski, Jonathan Gatward, Mohamed Ghula, Angelo Giacomucci, Ilaria Giovannini, Kingsly Gnanadurai, Thomas Godet, Alberto Goffi, Gemma Goma Fernandez, Maria Gonzalez, Daira González, Alejandro González-Castro, Kadarapura N Gopalakrishna, Eric Gottesman, Alexandre Gros, Christophe Guervilly, Christophe Guitton, Manish Gupta, Kulbhusahn Gupta, Tarikul Hamid, Olfa Hamzaoui, Katrin Hannesdottir, Shahnaz Hasan, Mozaffer Hossain, Sazzad Hossein, Sami Hraiech, Chun-Kai Huang, Cameron Hypes, Soad Imhmed Alkhumsi, Motiul Islam, Muhamad A Ismail, Višnja Ivančan, Sophie Jacquier, Bharat Jagiasi, Nikhilesh Jain, Muhamad Fadhil Hadi Jamaluddin, Milosz Jankowski, Deepak Jeswani, Deepti Jeswani, Simant Jha, Laura Jones, Benjamin Jones, Mathieu Jozwiak, Aleksandra Jumić, Oliver Kamp, Ilias Karametos, Alexey Karelov, Panagiotis Katsoulis, David A Kaufman, Shuchi Kaushik, Callum T Kaye, Subba R Kesavarapu, Ala Khaled, Hapiz Khalidah, Akram Khan, Sudhir Khunteta, Detlef Kindgen-Milles, Sara V Korula, Amol Kothekar, Salman S Koul, Ditte Krog, Shih-Chi Ku, Mira Kuellmar, Lu-Cheng Kuo, Swarna D Kuragayala, Aikaterini Kyparissi, Gonzalo Labarca, John G Laffey, Jaya Lalwani, Antonio Landaverde, Jean-Baptiste Lascarrou, Andres Laserna, Chien-Chang Lee, Stephane Legriel, Andrew Lehr, Tiago Leonor, Yongxing Li, Anna Lisa Licciardi, Edward Litton, Vladimir Lomivorotov, Federico Longhini, Claudia L Lopez Nava, Luis R Loza Gallardo, Ramona Lungu, Annalisa Luzi, Wuhua Ma, Marat Magomedov, Alexandros Makris, Harish Mallapura Maheshwarappa, Tommaso Maraffi, Maria E Marcelli, Karim Mariano, Nathalie Marin, Nadezhda Marova, Maelle Martin, Mayra Martinez Gonzalez, Emilio Maseda, Fiore Mastroianni, Marijana Matas, Dubier Matos, Jessica G Maugeri, Mohd Z Mazlan, Melanie Meersch, Ranjan Meher, Tasneem H Mehesry, Maria Meirik, Armand Mekontso Dessap, Kwabena Mensah, Emmanuelle Mercier, Pavel Michalek, Abhirup Midya, Slobodan Mihaljević, Adrien Mirouse, Prasanna Mishra, Ravi Mistry, Mate Moguš, Norbaniza Mohd Nordin, Noryani Mohd Samat, Luca Montini, Giorgia Montrucchio, Valeria Moro, Diego Morocho Tutillo, Jarrod Mosier, Sircar Mrinal, Wojciech Mudyna, Grégoire Muller, Kartik Munta, Satheesh Munusamy, Stefania Musso, Stefano Muttini, Ismail Nahla Irtiza, Evi Nakou, Amit Narkhede, Joseph Nates, Moana R Nespoli, Francesca Nespoli, Artem Nikitenko, Carla Nogueira, Ross O'Grady, Yewande E Odeyemi, Annika Ohlsson, Alberto Orsello, Vijayanand Palaniswamy, Daniela M Palma, Salvatore Palmese, Jesus N Pantoja Leal, Eleni Papandreou, Metaxia Papanikolaou, Matteo Parotto, Mayur Patel, Mario Pavlek, Niccolò Pedrotti, Ngu Pei Hwa, Lorella Pelagalli, Miryam Pérez Ruiz, Elin Persson, Athanasia Petsiou, Angelo Pezzi, Sam Philip, Francois Philippard, Mariusz Piegat, Sébastien Pili-Floury, Riccardo Pinciroli, Marcia Pinto, Gael Piton, Gaetan Plantefeve, Caroline Pouplet, Sofia Pouriki, Andrea Pradella, Kumar Prashant, Christian Putensen, Alice Quayle, Lua Rahmani, Ian Randall, Banambar Ray, Adrian Regli, Syed T Reza, Jean Damien Ricard, Ivano Riva, Oriol Roca, Roberto Rona, Jon Rosell, Rebecca Rowley, Sheng-Yuan Ruan, Kay Rumschuessel, Annalisa Rundo, Pierpaolo Russo, Vincenzo Russotto, Samir Sahu, Gabriele Sales, Charlotte Salmon-Gandonnière, Nandyelly San Juan Roman, Luis Sánchez-Hurtado, Benjamin J Sandefur, Manel Santafe, Lida Santoro, Rhik Sanyal, Lakshmikanthcharan Saravanabavan, Bhagyesh Shah, Mehul Shah, Ming-Hann Shin, Monica Silva, Shannon Simpson, Ayush Sinah, Atul K Singh, Dinesh K Singh, Nitesh Singh, Lalit Singh, Lukasz Skowronski, Miguel A Sosa, Savino Spadaro, Martin Spangfors, Jesper Sperber, Rosario Spina, Anand Srivastava, Andrew Steel, Alejandro Suarez de la Rica, Singh Sujeet Kumar, Omprakash Sundrani, Nilu Sunil, Bharadwaj Suparna, Manimala R Surath, Yadullah Syed, Tamas Szakmany, Benjamin Sztrymf, Alexis Tabah, Stefano Tarantino, Maria Tileli, Hugo Tirape-Castro, Otoniel Toledo-Salinas, Jacopo Tramarin, Dimitrios Tsiftsis, Iva Tucić, Jose A Tutillo León, Lorenzo Tutino, Vijay N Tyagi, Kyriaki Vagdatli, Sneha Varkey, Maria M Vera, Magnus Von Seth, Carl Wahlstrom, Wan Mohd N Wan Hassan, Wan N Wan Ismail, Kuo-Chuan Wang, Hadrien Winiszewski, Jiayan Wu, Lun Wu, Yu-Chang Yeh, Paul Young, Gianluca Zani, Jonathan Zarka, Dawn Zhao, Diane Zlotnik, Russotto, V, Myatra, S, Laffey, J, Tassistro, E, Antolini, L, Bauer, P, Lascarrou, J, Szuldrzynski, K, Camporota, L, Pelosi, P, Sorbello, M, Higgs, A, Greif, R, Putensen, C, Agvald-Öhman, C, Chalkias, A, Bokums, K, Brewster, D, Rossi, E, Fumagalli, R, Pesenti, A, Foti, G, Bellani, G, Russotto V., Myatra S.N., Laffey J.G., Tassistro E., Antolini L., Bauer P., Lascarrou J.B., Szuldrzynski K., Camporota L., Pelosi P., Sorbello M., Higgs A., Greif R., Putensen C., Agvald-Ohman C., Chalkias A., Bokums K., Brewster D., Rossi E., Fumagalli R., Pesenti A., Foti G., Bellani G., and Hazem Abdelkarem Ahmed, Neill K J Adhikari, Kehari Agrawal, Nipun Agrawal, Hernan Aguirre-Bermeo, Christina Agvald-Öhman, Meraj Ahmad, Samareh Ajami, Shazia N Akhtar, Adnan Alghamdi, Abdulmueti Alhadi, Syed M Ali, Mohd N Ali, Anita Alias, Ghaleb Almekhlafi, Julio Alonso, Diana Alvarez Montenegro, Rubina Aman, Matthew Anstey, Irene Aragão, Eleni Arnaoutoglou, Elie Azoulay, Laura Baccari, Nishanth Baliga, Ramya Ballekatte Manjunath, Shrirang Bamane, Anna Bandert, Roland Bartholdy, Marta Basto, Vera Baturova, Philippe R Bauer, Agrippino Bellissima, Vladislav Belsky, Prashant Bendre, Annalisa Benini, Sebastien Besset, Mahuya Bhattacharyya, Piotr Bielanski, Luca Bigatello, Florence Boissier, Kristaps Bokums, Elisa Boni, Iwona Bonney, David Bowen, Alexandre Boyer, Luca Brazzi, David Brewster, Lina Broman, Alexander Browne, Cedric Bruel, Yannick Brunin, Guillermo Bugedo, Italo Calamai, Patricia Campos, Federico G Canavosio, Iacopo Cappellini, Marco Cascella, Nuno Catorze, Athanasios Chalkias, Benoit Champigneulle, Juhi Chandwani, Anne Chao, Satish Chaurasia, Rajesh Chawla, Aakanksha Chawla, Olivia Cheetham, Frank Chemouni, Lee Chew Kiok, Jung-Yien Chien, Timothy Chimunda, Ching-Tang Chiu, Fernando Chiumiento, Nai-Kuan Chou, Nicolas Chudeau, Sandra Colica, Gwenhael Colin, Jean-Michel Constantin, Damien Contou, Andrea Cortegiani, Paulo F Costa, Vasco Costa, Andrea Costamagna, Antonella Cotoia, Andrea N Cracchiolo, Petra Crone, Rui P Cunha, Renata Curić Radivojević, Amit Das, Sampat Dash, Gennaro De Pascale, Silvia De Rosa, Lorenzo Del Sorbo, Valentina Della Torre, Barbara Di Caprio, Raffaele Di Fenza, Ida Di Giacinto, Aikaterini Dimitropoulou, Marcel Dudda, Christopher Edmunds, Stefan F Ehrentraut, Nadia El-Fellah, Muhammed Elhadi, Ahmed Elhadi, Patricia Escudero-Acha, Missael Espinoza, Clelia Esposito, Fabrizio Fabretti, Daniel G Fein, Massimo Ferluga, Marco Fernandes, Alexis Ferre, Janet Ferrier, Marek Flaksa, Fernando Flores, Jesus Flores Gonzalez, Xavier E Fonseca Fuentes, Roland Francis, Daniela G Franco, Pawel Franczyk, Jean-Pierre Frat, Mikhail Furman, Maurizio Fusari, Piotr Galkin, Alice Gallo de Moraes, Renato Gammaldi, Maria F García Aguilera, Eugenio Garofalo, Tomasz Gaszynski, Jonathan Gatward, Mohamed Ghula, Angelo Giacomucci, Ilaria Giovannini, Kingsly Gnanadurai, Thomas Godet, Alberto Goffi, Gemma Goma Fernandez, Maria Gonzalez, Daira González, Alejandro González-Castro, Kadarapura N Gopalakrishna, Eric Gottesman, Alexandre Gros, Christophe Guervilly, Christophe Guitton, Manish Gupta, Kulbhusahn Gupta, Tarikul Hamid, Olfa Hamzaoui, Katrin Hannesdottir, Shahnaz Hasan, Mozaffer Hossain, Sazzad Hossein, Sami Hraiech, Chun-Kai Huang, Cameron Hypes, Soad Imhmed Alkhumsi, Motiul Islam, Muhamad A Ismail, Višnja Ivančan, Sophie Jacquier, Bharat Jagiasi, Nikhilesh Jain, Muhamad Fadhil Hadi Jamaluddin, Milosz Jankowski, Deepak Jeswani, Deepti Jeswani, Simant Jha, Laura Jones, Benjamin Jones, Mathieu Jozwiak, Aleksandra Jumić, Oliver Kamp, Ilias Karametos, Alexey Karelov, Panagiotis Katsoulis, David A Kaufman, Shuchi Kaushik, Callum T Kaye, Subba R Kesavarapu, Ala Khaled, Hapiz Khalidah, Akram Khan, Sudhir Khunteta, Detlef Kindgen-Milles, Sara V Korula, Amol Kothekar, Salman S Koul, Ditte Krog, Shih-Chi Ku, Mira Kuellmar, Lu-Cheng Kuo, Swarna D Kuragayala, Aikaterini Kyparissi, Gonzalo Labarca, John G Laffey, Jaya Lalwani, Antonio Landaverde, Jean-Baptiste Lascarrou, Andres Laserna, Chien-Chang Lee, Stephane Legriel, Andrew Lehr, Tiago Leonor, Yongxing Li, Anna Lisa Licciardi, Edward Litton, Vladimir Lomivorotov, Federico Longhini, Claudia L Lopez Nava, Luis R Loza Gallardo, Ramona Lungu, Annalisa Luzi, Wuhua Ma, Marat Magomedov, Alexandros Makris, Harish Mallapura Maheshwarappa, Tommaso Maraffi, Maria E Marcelli, Karim Mariano, Nathalie Marin, Nadezhda Marova, Maelle Martin, Mayra Martinez Gonzalez, Emilio Maseda, Fiore Mastroianni, Marijana Matas, Dubier Matos, Jessica G Maugeri, Mohd Z Mazlan, Melanie Meersch, Ranjan Meher, Tasneem H Mehesry, Maria Meirik, Armand Mekontso Dessap, Kwabena Mensah, Emmanuelle Mercier, Pavel Michalek, Abhirup Midya, Slobodan Mihaljević, Adrien Mirouse, Prasanna Mishra, Ravi Mistry, Mate Moguš, Norbaniza Mohd Nordin, Noryani Mohd Samat, Luca Montini, Giorgia Montrucchio, Valeria Moro, Diego Morocho Tutillo, Jarrod Mosier, Sircar Mrinal, Wojciech Mudyna, Grégoire Muller, Kartik Munta, Satheesh Munusamy, Stefania Musso, Stefano Muttini, Ismail Nahla Irtiza, Evi Nakou, Amit Narkhede, Joseph Nates, Moana R Nespoli, Francesca Nespoli, Artem Nikitenko, Carla Nogueira, Ross O'Grady, Yewande E Odeyemi, Annika Ohlsson, Alberto Orsello, Vijayanand Palaniswamy, Daniela M Palma, Salvatore Palmese, Jesus N Pantoja Leal, Eleni Papandreou, Metaxia Papanikolaou, Matteo Parotto, Mayur Patel, Mario Pavlek, Niccolò Pedrotti, Ngu Pei Hwa, Lorella Pelagalli, Miryam Pérez Ruiz, Elin Persson, Athanasia Petsiou, Angelo Pezzi, Sam Philip, Francois Philippard, Mariusz Piegat, Sébastien Pili-Floury, Riccardo Pinciroli, Marcia Pinto, Gael Piton, Gaetan Plantefeve, Caroline Pouplet, Sofia Pouriki, Andrea Pradella, Kumar Prashant, Christian Putensen, Alice Quayle, Lua Rahmani, Ian Randall, Banambar Ray, Adrian Regli, Syed T Reza, Jean Damien Ricard, Ivano Riva, Oriol Roca, Roberto Rona, Jon Rosell, Rebecca Rowley, Sheng-Yuan Ruan, Kay Rumschuessel, Annalisa Rundo, Pierpaolo Russo, Vincenzo Russotto, Samir Sahu, Gabriele Sales, Charlotte Salmon-Gandonnière, Nandyelly San Juan Roman, Luis Sánchez-Hurtado, Benjamin J Sandefur, Manel Santafe, Lida Santoro, Rhik Sanyal, Lakshmikanthcharan Saravanabavan, Bhagyesh Shah, Mehul Shah, Ming-Hann Shin, Monica Silva, Shannon Simpson, Ayush Sinah, Atul K Singh, Dinesh K Singh, Nitesh Singh, Lalit Singh, Lukasz Skowronski, Miguel A Sosa, Savino Spadaro, Martin Spangfors, Jesper Sperber, Rosario Spina, Anand Srivastava, Andrew Steel, Alejandro Suarez de la Rica, Singh Sujeet Kumar, Omprakash Sundrani, Nilu Sunil, Bharadwaj Suparna, Manimala R Surath, Yadullah Syed, Tamas Szakmany, Benjamin Sztrymf, Alexis Tabah, Stefano Tarantino, Maria Tileli, Hugo Tirape-Castro, Otoniel Toledo-Salinas, Jacopo Tramarin, Dimitrios Tsiftsis, Iva Tucić, Jose A Tutillo León, Lorenzo Tutino, Vijay N Tyagi, Kyriaki Vagdatli, Sneha Varkey, Maria M Vera, Magnus Von Seth, Carl Wahlstrom, Wan Mohd N Wan Hassan, Wan N Wan Ismail, Kuo-Chuan Wang, Hadrien Winiszewski, Jiayan Wu, Lun Wu, Yu-Chang Yeh, Paul Young, Gianluca Zani, Jonathan Zarka, Dawn Zhao, Diane Zlotnik

Subjects
Male, medicine.medical_specialty, Critical Illness, medicine.medical_treatment, Aged, Female, Heart Arrest, Humans, Hypotension, Hypoxia, Intensive Care Units, Intubation, Intratracheal, Logistic Models, Medical Errors, Middle Aged, Prospective Studies, Respiration, Artificial, Respiratory Insufficiency, Vasoconstrictor Agents, 01 natural sciences, NO, tracheal intubation, adverse peri-intubation events, 03 medical and health sciences, 0302 clinical medicine, Interquartile range, Intensive care, Settore MED/41 - ANESTESIOLOGIA, Medicine, Intubation, Intubation, Critical Care, 030212 general & internal medicine, 0101 mathematics, 610 Medicine & health, Prospective cohort study, business.industry, Respiration, 010102 general mathematics, Tracheal intubation, General Medicine, Intratracheal, Intubation procedure, Respiratory failure, Artificial, Emergency medicine, Airway management, business
Abstract

Importance: Tracheal intubation is one of the most commonly performed and high-risk interventions in critically ill patients. Limited information is available on adverse peri-intubation events. Objective: To evaluate the incidence and nature of adverse peri-intubation events and to assess current practice of intubation in critically ill patients. Design, Setting, and Participants: The International Observational Study to Understand the Impact and Best Practices of Airway Management in Critically Ill Patients (INTUBE) study was an international, multicenter, prospective cohort study involving consecutive critically ill patients undergoing tracheal intubation in the intensive care units (ICUs), emergency departments, and wards, from October 1, 2018, to July 31, 2019 (August 28, 2019, was the final follow-up) in a convenience sample of 197 sites from 29 countries across 5 continents. Exposures: Tracheal intubation. Main Outcomes and Measures: The primary outcome was the incidence of major adverse peri-intubation events defined as at least 1 of the following events occurring within 30 minutes from the start of the intubation procedure: cardiovascular instability (either: systolic pressure 30 minutes, new or increase need of vasopressors or fluid bolus >15 mL/kg), severe hypoxemia (peripheral oxygen saturation

Published
2021

4. Respiratory Drive in Patients with Sepsis and Septic Shock: Modulation by High-flow Nasal Cannula

Author

Eugenio Garofalo, Elena Spinelli, Bertrand Pavlovsky, Savino Spadaro, Irene Ottaviani, Annalisa Rundo, Domenico Luca Grieco, Tommaso Mauri, Gabriele Pintaudi, Carlo Alberto Volta, Antonio Pesenti, Maria Cristina Basile, and Francesca Dalla Corte

Subjects
Male, medicine.medical_specialty, medicine.disease_cause, NO, Sepsis, Cohort Studies, Respiratory Rate, Internal medicine, medicine, Electric Impedance, Cannula, Humans, Tidal volume, Aged, business.industry, Septic shock, Oxygen Inhalation Therapy, Oxygenation, Middle Aged, medicine.disease, Shock, Septic, Intensive Care Units, Anesthesiology and Pain Medicine, Control of respiration, Breathing, Cardiology, Arterial blood, Female, business, Respiratory Insufficiency, Nasal cannula
Abstract

Background Experimental and pilot clinical data suggest that spontaneously breathing patients with sepsis and septic shock may present increased respiratory drive and effort, even in the absence of pulmonary infection. The study hypothesis was that respiratory drive and effort may be increased in septic patients and correlated with extrapulmonary determinant and that high-flow nasal cannula may modulate drive and effort. Methods Twenty-five nonintubated patients with extrapulmonary sepsis or septic shock were enrolled. Each patient underwent three consecutive steps: low-flow oxygen at baseline, high-flow nasal cannula, and then low-flow oxygen again. Arterial blood gases, esophageal pressure, and electrical impedance tomography data were recorded toward the end of each step. Respiratory effort was measured as the negative swing of esophageal pressure (ΔPes); drive was quantified as the change in esophageal pressure during the first 500 ms from start of inspiration (P0.5). Dynamic lung compliance was calculated as the tidal volume measured by electrical impedance tomography, divided by ΔPes. The results are presented as medians [25th to 75th percentile]. Results Thirteen patients (52%) were in septic shock. The Sequential Organ Failure Assessment score was 5 [4 to 9]. During low-flow oxygen at baseline, respiratory drive and effort were elevated and significantly correlated with arterial lactate (r = 0.46, P = 0.034) and inversely with dynamic lung compliance (r = –0.735, P < 0.001). Noninvasive support by high-flow nasal cannula induced a significant decrease of respiratory drive (P0.5: 6.0 [4.4 to 9.0] vs. 4.3 [3.5 to 6.6] vs. 6.6 [4.9 to 10.7] cm H2O, P < 0.001) and effort (ΔPes: 8.0 [6.0 to 11.5] vs. 5.5 [4.5 to 8.0] vs. 7.5 [6.0 to 12.6] cm H2O, P < 0.001). Oxygenation and arterial carbon dioxide levels remained stable during all study phases. Conclusions Patients with sepsis and septic shock of extrapulmonary origin present elevated respiratory drive and effort, which can be effectively reduced by high-flow nasal cannula. Editor’s Perspective What We Already Know about This Topic What This Article Tells Us That Is New

Published
2021

5. Effects of High Flow Nasal Cannula on Respiratory Effort in Patients with Extra-Pulmonary Sepsis or Septic Shock: A Sub-Phenotypes Analysis

Author

Eugenio Garofalo, Maria Cristina Basile, F. Dalla Corte, Annalisa Rundo, I. Ottaviani, Domenico Luca Grieco, Savino Spadaro, Tommaso Mauri, Gabriele Pintaudi, B. Pavlovsky, Elena Spinelli, Carlo Alberto Volta, and Antonio Pesenti

Subjects
Sepsis, business.industry, Septic shock, Anesthesia, medicine, Respiratory effort, In patient, medicine.disease, medicine.disease_cause, High flow, business, Extra pulmonary, Nasal cannula
Published
2021

6. Correction to: Electrical impedance tomography in perioperative medicine: careful respiratory monitoring for tailored interventions

Author

Annalisa Rundo, Elena Spinelli, Alberto Fogagnolo, Carlo Alberto Volta, Domenico Luca Grieco, Tommaso Mauri, Giacomo Grasselli, Gaetano Scaramuzzo, and Savino Spadaro

Subjects
Pulmonary Atelectasis, medicine.medical_specialty, Functional Residual Capacity, Perfusion Imaging, Mistake, Respiratory monitoring, Perioperative Care, Positive-Pressure Respiration, lcsh:RD78.3-87.3, Anesthesiology, Electric Impedance, medicine, Humans, Perioperative Medicine, Lung, Tomography, Electrical impedance tomography, Monitoring, Physiologic, Perioperative medicine, business.industry, Hemodynamics, Correction, medicine.disease, Anesthesiology and Pain Medicine, lcsh:Anesthesiology, Tailored interventions, Medical emergency, Lung Volume Measurements, Pulmonary Ventilation, business, Author name
Abstract

Electrical impedance tomography (EIT) is a non-invasive radiation-free monitoring technique that provides images based on tissue electrical conductivity of the chest. Several investigations applied EIT in the context of perioperative medicine, which is not confined to the intraoperative period but begins with the preoperative assessment and extends to postoperative follow-up.EIT could provide careful respiratory monitoring in the preoperative assessment to improve preparation for surgery, during anaesthesia to guide optimal ventilation strategies and to monitor the hemodynamic status and in the postoperative period for early detection of respiratory complications. Moreover, EIT could further enhance care of patients undergoing perioperative diagnostic procedures. This narrative review summarizes the latest evidence on the application of this technique to the surgical patient, focusing also on possible future perspectives.EIT is a promising technique for the perioperative assessment of surgical patients, providing tailored adaptive respiratory and haemodynamic monitoring. Further studies are needed to address the current technological limitations, confirm the findings and evaluate which patients can benefit more from this technology.

Published
2019

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