Associations of intraoperative end-tidal CO2 levels with postoperative outcome-secondary analysis of a worldwide observational study

Prashant Nasa; David M P van Meenen; Frederique Paulus; Marcelo Gama de Abreu; Sebastiaan M Bossers; Patrick Schober; Marcus J Schultz; Ary Serpa Neto; Sabrine N T Hemmes; LAS VEGAS-investigators; PROVE Network; ESAIC CTN; LAS VEGAS collaborators

doi:10.1016/j.jclinane.2024.111728

Associations of intraoperative end-tidal CO₂ levels with postoperative outcome-secondary analysis of a worldwide observational study

J Clin Anesth. 2024 Dec 19:101:111728. doi: 10.1016/j.jclinane.2024.111728. Online ahead of print.

Collaborators

Wolfgang Kroell, Helfried Metzler, Gerd Struber, Thomas Wegscheider, Hans Gombotz, Michael Hiesmayr, Werner Schmid, Bernhard Urbanek, David Kahn, Mona Momeni, Audrey Pospiech, Fernande Lois, Patrice Forget, Irina Grosu, Jan Poelaert, Veerle van Mossevelde, Marie-Claire van Malderen, Dimitri Dylst, Jeroen van Melkebeek, Maud Beran, Stefan de Hert, Luc De Baerdemaeker, Bjorn Heyse, Jurgen Van Limmen, Piet Wyffels, Tom Jacobs, Nathalie Roels, Ann De Bruyne, Stijn van de Velde, Brigitte Leva, Sandrine Damster, Benoit Plichon, Marina JurosZovko, Dejana Djonovic-Omanoviċ, Selma Pernar, Josip Zunic, Petar Miskovic, Antonio Zilic, Slavica Kvolik, Dubravka Ivic, Darija Azenic-Venzera, Sonja Skiljic, Hrvoje Vinkovic, Ivana Oputric, Kazimir Juricic, Vedran Frkovic, Jasminka Kopic, Ivan Mirkovic, Nenad Karanovic, Mladen Carev, Natasa Dropulic, Jadranka Pavicic Saric, Gorjana Erceg, Matea Bogdanovic Dvorscak, Branka Mazul-Sunko, Anna Marija Pavicic, Tanja Goranovic, Branka Maldini, Tomislav Radocaj, Zeljka Gavranovic, Inga Mladic-Batinica, Mirna Sehovic, Petr Stourac, Hana Harazim, Olga Smekalova, Martina Kosinova, Tomas Kolacek, Kamil Hudacek, Michal Drab, Jan Brujevic, Katerina Vitkova, Katerina Jirmanova, Ivana Volfova, Paula Dzurnakova, Katarina Liskova, Radovan Dudas, Radek Filipsky, Samir El Kafrawy, Hisham Hosny Abdelwahab, Tarek Metwally, Ahmed Abdel-Razek, Ahmed Mostafa El-Shaarawy, Wael Fathy Hasan, Ahmed Gouda Ahmed, Hany Yassin, Mohamed Magdy, Mahdy Abdelhady, Mohamed Mahran, Eiko Herodes, Peeter Kivik, Juri Oganjan, Annika Aun, Alar Sormus, Kaili Sarapuu, Merilin Mall, Juri Karjagin, Emmanuel Futier, Antoine Petit, Adeline Gerard, Emmanuel Marret, Marc Solier, Samir Jaber, Albert Prades, Jens Krassler, Simone Merzky, Marcel Gama de Abreu, Christopher Uhlig, Thomas Kiss, Anette Bundy, Thomas Bluth, Andreas Gueldner, Peter Spieth, Martin Scharffenberg, Denny Tran Thiem, Thea Koch, Tanja Treschan, Maximilian Schaefer, Bea Bastin, Johann Geib, Martin Weiss, Peter Kienbaum, Benedikt Pannen, Andre Gottschalk, Mirja Konrad, Diana Westerheide, Ben Schwerdtfeger, Hermann Wrigge, Philipp Simon, Andreas Reske, Christian Nestler, Dimitrios Valsamidis, Konstantinos Stroumpoulis, Georgios Antholopoulos, Antonis Andreou, Dimitris Karapanos, Kassiani Theodoraki, Georgios Gkiokas, Marios-Konstantinos Tasoulis, Tatiana Sidiropoulou, Foteini Zafeiropoulou, Panagiota Florou, Aggeliki Pandazi, Georgia Tsaousi, Christos Nouris, Chryssa Pourzitaki, Dmitri Bystritski, Reuven Pizov, Arieh Eden, Caterina Valeria Pesce, Annamaria Campanile, Antonella Marrella, Salvatore Grasso, Michele De Michele, Francesco Bona, Gianmarco Giacoletto, Elena Sardo, Luigi Giancarlo, Vicari Sottosanti, Maurizio Solca, Carlo Alberto Volta, Savino Spadaro, Marco Verri, Riccardo Ragazzi, Roberto Zoppellari, Gilda Cinnella, Pasquale Raimondo, Daniela La Bella, Lucia Mirabella, Davide D'antini, Paolo Pelosi, Alexandre Molin, Iole Brunetti, Angelo Gratarola, Giulia Pellerano, Rosanna Sileo, Stefano Pezzatto, Luca Montagnani, Laura Pasin, Giovanni Landoni, Alberto Zangrillo, Luigi Beretta, Ambra Licia Di Parma, Valentina Tarzia, Roberto Dossi, Marta Eugenia Sassone, Daniele Sances, Stefano Tredici, Gianluca Spano, Gianluca Castellani, Luigi Delunas, Sopio Peradze, Marco Venturino, Ines Arpino, Sara Sher, Concezione Tommasino, Francesca Rapido, Paola Morelli, Maria Vargas, Giuseppe Servillo, Andrea Cortegiani, Santi Maurizio Raineri, Francesca Montalto, Vincenzo Russotto, Antonino Giarratano, Marco Baciarello, Michela Generali, Giorgia Cerati, Yigal Leykin, Filippo Bressan, Vittoria Bartolini, Lucia Zamidei, Luca Brazzi, Corrado Liperi, Gabriele Sales, Laura Pistidda, Paolo Severgnini, Elisa Brugnoni, Giuseppe Musella, Alessandro Bacuzzi, Dalip Muhardri, Agreta Gecaj-Gashi, Fatos Sada, Adem Bytyqi, Aurika Karbonskiene, Ruta Aukstakalniene, Zivile Teberaite, Erika Salciute, Renatas Tikuisis, Povilas Miliauskas, Sipylaite Jurate, Egle Kontrimaviciute, Gabija Tomkute, John Xuereb, Maureen Bezzina, Francis Joseph Borg, Sabrine Hemmes, Marcus Schultz, Markus Hollmann, Irene Wiersma, Jan Binnekade, Lieuwe Bos, Christa Boer, Anne Duvekot, Bas In't Veld, Alice Werger, Paul Dennesen, Charlotte Severijns, Jasper De Jong, Jens Hering, Rienk van Beek, Stefan Ivars, Ib Jammer, Alena Breidablik, Katharina Skirstad Hodt, Frode Fjellanger, Manuel Vico Avalos, Jannicke MellinOlsen, Elisabeth Andersson, Amir Shafi-Kabiri, Ruby Molina, Stanley Wutai, Erick Morais, Gloria Tareco, Daniel Ferreira, Joana Amaral, Maria de Lurdes Goncalves Castro, Susana Cadilha, Sofia Appleton, Suzana Parente, Mariana Correia, Diogo Martins, Angela Monteirosa, Ana Ricardo, Sara Rodrigues, Lucian Horhota, Ioana Marina Grintescu, Liliana Mirea, Ioana Cristina Grintescu, Dan Corneci, Silvius Negoita, Madalina Dutu, Ioana Popescu Garotescu, Daniela Filipescu, Alexandru Bogdan Prodan, Gabriela Droc, Ruxandra Fota, Mihai Popescu, Dana Tomescu, Ana Maria Petcu, Marian Irinel Tudoroiu, Alida Moise, Catalin-Traian Guran, Iorel Gherghina, Dan Costea, Iulia Cindea, Sanda-Maria Copotoiu, Ruxandra Copotoiu, Victoria Barsan, Zsolt Tolcser, Magda Riciu, Septimiu Gheorghe Moldovan, Mihaly Veres, Alexey Gritsan, Tatyana Kapkan, Galina Gritsan, Oleg Korolkov, Alexander Kulikov, Andrey Lubnin, Alexey Ovezov, Pavel Prokoshev, Alexander Lugovoy, Natalia Anipchenko, Andrey Babayants, Irina Komissarova, Karginova Zalina, Valery Likhvantsev, Sergei Fedorov, Aleksandra Lazukic, Jasmina Pejakovic, Dunja Mihajlovic, Zuzana Kusnierikova, Maria Zelinkova, Katarina Bruncakova, Lenka Polakovicova, Villiam Sobona, Barbka Novak-Supe, Ana Pekle-Golez, Miroljub Jovanov, Branka Strazisar, Jasmina Markovic-Bozic, Vesna Novak-Jankovic, Minca Voje, Andriy Grynyuk, Ivan Kostadinov, Alenka Spindler-Vesel, Victoria Moral, Mari Carmen Unzueta, Carlos Puigbo, Josep Fava, Jaume Canet, Enrique Moret, Monicá Rodriguez Nunez, Mar Sendra, Andrea Brunelli, Frederic Rodenas, Pablo Monedero, Francisco Hidalgo Martinez, Maria Jose Yepes Temino, Antonio Martínez Simon, Ana de Abajo Larriba, Alberto Lisi, Gisela Perez, Raquel Martinez, Manuel Granell, Jose Tatay Vivo, Cristina Saiz Ruiz, Jose Antonio de Andrés Ibañez, Ernesto Pastor, Marina Soro, Carlos Ferrando, Mario Defez, Cesar Aldecoa Alvares-Santullano, Rocio Perez, Jesus Rico, Monir Jawad, Yousif Saeed, Lars Gillberg, Zuleyha Kazak Bengisun, Baturay Kansu Kazbek, Nesil Coskunfirat, Neval Boztug, Suat Sanli, Murat Yilmaz, Necmiye Hadimioglu, Nuzhet Mert Senturk, Emre Camci, Semra Kucukgoncu, Zerrin Sungur, Nukhet Sivrikoz, Serpil Ustalar Ozgen, Fevzi Toraman, Onur Selvi, Ozgur Senturk, Mine Yildiz, Bahar Kuvaki, Ferim Gunenc, Semih Kucukguclu, Şule Ozbilgin, Jale Maral, Seyda Canli, Oguzhan Arun, Ali Saltali, Eyup Aydogan, Fatma Nur Akgun, Ceren Sanlikarip, Fatma Mine Karaman, Andriy Mazur, Sergiy Vorotyntsev, Guy Rousseau, Colin Barrett, Lucia Stancombe, Ben Shelley, Helen Scholes, James Limb, Amir Rafi, Lisa Wayman, Jill Deane, David Rogerson, John Williams, Susan Yates, Elaine Rogers, Mark Pulletz, Sarah Moreton, Stephanie Jones, Suresh Venkatesh, Maudrian Burton, Lucy Brown, Cait Goodall, Matthew Rucklidge, Debbie Fuller, Maria Nadolski, Sandeep Kusre, Michael Lundberg, Lynn Everett, Helen Nutt, Maka Zuleika, Peter Carvalho, Deborah Clements, Ben Creagh-Brown, Philip Watt, Parizade Raymode, Rupert Pearse, Otto Mohr, Ashok Raj, Thais Creary, Ahmed Chishti, Andrea Bell, Charley Higham, Alistair Cain, Sarah Gibb, Stephen Mowat, Danielle Franklin, Claire West, Gary Minto, Nicholas Boyd, Gary Mills, Emily Calton, Rachel Walker, Felicity Mackenzie, Branwen Ellison, Helen Roberts, Moses Chikungwa, Clare Jackson, Andrew Donovan, Jayne Foot, Elizabeth Homan, Jane Montgomery, David Portch, Pauline Mercer, Janet Palmer, Jonathan Paddle, Anna Fouracres, Amanda Datson, Alyson Andrew, Leanne Welch, Alastair Rose, Sandeep Varma, Karen Simeson, Mrutyunjaya Rambhatla, Jaysimha Susarla, Sudhakar Marri, Krishnan Kodaganallur, Ashok Das, Shivarajan Algarsamy, Julie Colley, Simon Davies, Margaret Szewczyk, Thomas Smith, Ana Fernandez-Bustamante, Elizabeth Luzier, Angela Almagro, Marcos Vidal Melo, Luiz Fernando, Demet Sulemanji, Juraj Sprung, Toby Weingarten, Daryl Kor, Federica Scavonetto, Yeo Tze

Affiliations

¹ Department of Anaesthesia and Critical Care Medicine, The Royal Wolverhampton NHS Trust, New Cross Hospital, Wolverhampton, United Kingdom; Department of Intensive Care, Amsterdam University Medical Centers, Amsterdam, The Netherlands. Electronic address: [email protected].
² Department of Intensive Care, Amsterdam University Medical Centers, Amsterdam, The Netherlands; Department of Anaesthesiology, Amsterdam University Medical Centers, Amsterdam, The Netherlands; Department of Intensive Care & Laboratory of Experimental Intensive Care and Anaesthesiology (L·E·I·C·A), Amsterdam University Medical Centers, Amsterdam, The Netherlands.
³ Department of Intensive Care, Amsterdam University Medical Centers, Amsterdam, The Netherlands.
⁴ Pulmonary Engineering Group, Department of Anesthesiology and Intensive Care Medicine, University Hospital Carl Gustav Carus, Technical University Dresden, Dresden, Germany; Department of Intensive Care and Resuscitation and Outcomes Research, Cleveland Clinic, Cleveland, OH, United States of America; Department of Cardiothoracic Anesthesiology, Cleveland Clinic, Cleveland, OH, United States of America.
⁵ Department of Anaesthesiology, Amsterdam University Medical Centers, Amsterdam, The Netherlands.
⁶ Department of Anaesthesiology, Amsterdam University Medical Centers, Amsterdam, The Netherlands; Helicopter Emergency Medical Service Lifeliner 1, Amsterdam, The Netherlands.
⁷ Department of Intensive Care, Amsterdam University Medical Centers, Amsterdam, The Netherlands; Department of Intensive Care & Laboratory of Experimental Intensive Care and Anaesthesiology (L·E·I·C·A), Amsterdam University Medical Centers, Amsterdam, The Netherlands; Mahidol-Oxford Tropical Medicine Research Unit (MORU), Mahidol University, Bangkok, Thailand; Nuffield Department of Medicine, University of Oxford, Oxford, United Kingdom; Department of Anaesthesia, General Intensive Care and Pain Management, Division of Cardiothoracic and Vascular Anaesthesia & Critical Care Medicine, Medical University of Vienna, Vienna, Austria.
⁸ Australian and New Zealand Intensive Care Research Centre (ANZIC-RC), School of Public Health and Preventive Medicine, Monash University, Melbourne, Australia; Department of Intensive Care, Austin Hospital, Melbourne, Australia; Department of Critical Care, Melbourne Medical School, University of Melbourne, Austin Hospital, Melbourne, Australia; Department of Critical Care Medicine, Hospital Israelita Albert Einstein, São Paulo, Brazil.
⁹ Department of Anaesthesiology, Amsterdam University Medical Centers, Amsterdam, The Netherlands; Department of Anaesthesiology, The Netherlands Cancer Institute - Antoni van Leeuwenhoek Hospital, Amsterdam, The Netherlands.

PMID: 39705739
DOI: 10.1016/j.jclinane.2024.111728

Abstract

Background: Patients receiving intraoperative ventilation during general anesthesia often have low end-tidal CO₂ (etCO₂). We examined the association of intraoperative etCO₂ levels with the occurrence of postoperative pulmonary complications (PPCs) in a conveniently-sized international, prospective study named 'Local ASsessment of Ventilatory management during General Anesthesia for Surgery' (LAS VEGAS).

Methods: Patients at high risk of PPCs were categorized as 'low etCO₂' or 'normal to high etCO₂' patients, using a cut-off of 35 mmHg. The primary endpoint was a composite of previously defined PPCs; the individual PPCs served as secondary endpoints. The need for unplanned oxygen was defined as mild PPCs and severe PPCs included pneumonia, respiratory failure, acute respiratory distress syndrome, barotrauma, and new invasive ventilation. We performed propensity score matching and LOESS regression to evaluate the relationship between the lowest etCO₂ and PPCs.

Results: The analysis included 1843 (74 %) 'low etCO₂' patients and 648 (26 %) 'normal to high etCO₂' patients. There was no difference in the occurrence of PPCs between 'low etCO₂' and 'normal to high etCO₂' patients (20 % vs. 19 %; RR 1.00 [95 %-confidence interval 0.94 to 1.06]; P = 0.84). The proportion of severe PPCs among total occurring PPCs, were higher in 'low etCO₂' patients compared to 'normal to high etCO₂' patients (35 % vs. 18 %; RR 1.16 [1.08 to 1.25]; P < 0.001). Propensity score matching did not change these findings. LOESS plot showed an inverse relationship of intraoperative etCO₂ levels with the occurrence of PPCs.

Conclusions: In this cohort of patients at high risk of PPCs, the overall occurrence of PPCs was not different between 'low etCO₂' patients and 'normal to high etCO₂' patients, but severe PPCs occurred more often in 'low etCO₂', with an inverse dose-dependent relationship between intraoperative etCO₂ levels and PPCs.

Funding: This analysis was performed without additional funding. LAS VEGAS was partially funded and endorsed by the European Society of Anesthesiology and Intensive Care (ESAIC) and the Amsterdam University Medical Centers, location 'AMC'.

Registration: LAS VEGAS was registered at Clinicaltrials.gov (NCT01601223), first posted on May 17, 2012.

Keywords: Anesthesia, intraoperative ventilation; CO(2); Carbon dioxide; End–tidal CO(2); Invasive ventilation; PPCs; Postoperative pulmonary complications; Ventilation; etCO(2).

Associated data

ClinicalTrials.gov/NCT01601223