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1. Peripheral-to-central extracorporeal corporeal membrane oxygenation switch in refractory cardiogenic shock patients: outcomes and bridging strategies

Author

Aurélie Besnard, Quentin Moyon, Guillaume Lebreton, Pierre Demondion, Guillaume Hékimian, Juliette Chommeloux, Matthieu Petit, Melchior Gautier, Lucie Lefevre, Ouriel Saura, David Levy, Matthieu Schmidt, Pascal Leprince, Charles-Edouard Luyt, Alain Combes, and Marc Pineton de Chambrun

Subjects
VA-ECMO, Central ECMO, Mechanical circulatory support, Extracorporeal membrane oxygenation, Cardiac transplantation, Medical emergencies. Critical care. Intensive care. First aid, RC86-88.9
Abstract

Abstract Background Peripheral veno-arterial extracorporeal membrane oxygenation (pECMO) has become the first-line device in refractory cardiogenic shock (rCS). Some pECMO complications can preclude any bridging strategies and a peripheral-to-central ECMO (cECMO) switch can be considered as a bridge-to-decision. We conducted this study to appraise the in-hospital survival and the bridging strategies in patients undergoing peripheral-to-central ECMO switch. Methods This retrospective monocenter study included patients admitted to a ECMO-dedicated intensive care unit from February 2006 to January 2023. Patients with rCS requiring pECMO switched to cECMO were included. Patients were not included when the cECMO was the first mechanical circulatory support. Results Eighty patients, with a median [IQR25-75] age of 44 [29–53] years at admission and a female-to-male sex ratio of 0.6 were included in the study. Refractory pulmonary edema was the main switching reason. Thirty patients (38%) were successfully bridged to: heart transplantation (n = 16/80, 20%), recovery (n = 10/80, 12%) and ventricle assist device (VAD, n = 4/30, 5%) while the others died on cECMO (n = 50/80, 62%). The most frequent complications were the need for renal replacement therapy (76%), hemothorax or tamponade (48%), need for surgical revision (34%), mediastinitis (28%), and stroke (28%). The in-hospital and one-year survival rates were 31% and 27% respectively. Myocardial infarction as the cause of the rCS was the only variable independently associated with in-hospital mortality (HR 2.5 [1.3–4.9], p = 0.009). Conclusions The switch from a failing pECMO support to a cECMO as a bridge-to-decision is a possible strategy for a very selected population of young patients with a realistic chance of heart function recovery or heart transplantation. In this setting, cECMO allows patients triage preventing from wasting expensive and limited resources.

Published
2024
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2. Diagnostic yield, safety and therapeutic consequences of myocardial biopsy in clinically suspected fulminant myocarditis unweanable from mechanical circulatory support

Author

Yann Marquet, Guillaume Hékimian, Guillaume Lebreton, Mathieu Kerneis, Philippe Rouvier, Pierre Bay, Alexis Mathian, Nicolas Bréchot, Juliette Chommeloux, Matthieu Petit, Melchior Gautier, Lucie Lefevre, Ouriel Saura, David Levy, Paul Quentric, Quentin Moyon, Sofia Ortuno, Matthieu Schmidt, Pascal Leprince, Charles-Edouard Luyt, Alain Combes, and Marc Pineton de Chambrun

Subjects
Fulminant myocarditis, Mechanical circulatory support, Endomyocardial biopsy, Diagnostic yield, Extracorporeal membrane oxygenation, Clinically suspected myocarditis, Medical emergencies. Critical care. Intensive care. First aid, RC86-88.9
Abstract

Abstract Background Fulminant myocarditis is a rare and severe disease whose definite and etiological diagnoses rely on pathological examination. Albeit, myocardial biopsy can be associated with significant morbidity and mortality, its therapeutic consequences are unclear. We conducted a study to determine the diagnostic yield, the safety and the therapeutic consequences of myocardial biopsy in patients with fulminant clinically suspected myocarditis unweanable from mechanical circulatory support (MCS). Methods Monocenter, retrospective, observational cohort study in a 26-bed French tertiary ICU between January 2002 and February 2019. Inclusion of all fulminant clinically suspected myocarditis patients undergoing in-ICU myocardial biopsy while being on MCS. The primary endpoint was the proportion of patients classified as definite myocarditis using Bonaca criteria before and after including myocardial biopsy results. Results Forty-seven patients (median age 41 [30–47], female 53%) were included: 55% died before hospital discharge, 34% could be bridged-to-recovery and 15% bridged-to-transplant. Myocardial biopsy was endomyocardial or surgical in 36% and 64% cases respectively. Tamponade requiring emergency pericardiocentesis occurred in 29% patients after endomyocardial biopsy. After adding the biopsy results in the Bonaca classification algorithm the percentage of definite myocarditis raised from 13 to 55% (p

Published
2023
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3. Updates in the management of respiratory virus infections in ICU patients: revisiting the non-SARS-CoV-2 pathogens

Author

Ouriel Saura, Juliette Chommeloux, David Levy, Benjamin Assouline, Lucie Lefevre, and Charles-Edouard Luyt

Subjects
Community-Acquired Infections, Microbiology (medical), Intensive Care Units, Infectious Diseases, Virus Diseases, Virology, Influenza, Human, Healthcare-Associated Pneumonia, Humans, COVID-19, Pneumonia, Ventilator-Associated, Antiviral Agents, Microbiology
Abstract

Although viruses are an underestimated cause of community-acquired pneumonias (CAP) and hospital-acquired pneumonias (HAP)/ventilator-associated pneumonias (VAP) in intensive care unit (ICU) patients, they have an impact on morbidity and mortality.In this perspective article, we discuss the available data regarding the management of severe influenza CAP and herpesviridae HAP/VAP. We review diagnostic and therapeutic strategies in order to give clear messages and address unsolved questions.Influenza CAP affects yearly thousands of people; however, robust data regarding antiviral treatment in the most critical forms are scarce. While efficacy of oseltamivir has been investigated in randomized controlled trials (RCT) in uncomplicated influenza, only observational data are available in ICU patients. Herpesviridae are an underestimated cause of HAP/VAP in ICU patients. Whilst incidence of herpesviridae identification in samples from lower respiratory tract of ICU patients is relatively high (from 20% to 50%), efforts should be made to differentiate local reactivation from true lung infection. Only few randomized controlled trials evaluated the efficacy of antiviral treatment in herpesviridae reactivation/infection in ICU patients and all were exploratory or negative. Further studies are needed to evaluate the impact of such treatment in specific populations.

Published
2022
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4. Phenotypic Heterogeneity of Fulminant COVID-19--Related Myocarditis in Adults

Author

Petra Barhoum, Marc Pineton de Chambrun, Karim Dorgham, Mathieu Kerneis, Sonia Burrel, Paul Quentric, Christophe Parizot, Juliette Chommeloux, Nicolas Bréchot, Quentin Moyon, Guillaume Lebreton, Samia Boussouar, Matthieu Schmidt, Hans Yssel, Lucie Lefevre, Makoto Miyara, Jean-Luc Charuel, Stéphane Marot, Anne-Geneviève Marcelin, Charles-Edouard Luyt, Pascal Leprince, Zahir Amoura, Gilles Montalescot, Alban Redheuil, Alain Combes, Guy Gorochov, Guillaume Hékimian, CHU Pitié-Salpêtrière [AP-HP], Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Sorbonne Université (SU), Institut de Cardiométabolisme et Nutrition = Institute of Cardiometabolism and Nutrition [CHU Pitié Salpêtrière] (IHU ICAN), Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Sorbonne Université (SU)-Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Sorbonne Université (SU), Institut E3M [CHU Pitié-Salpêtrière], Centre d'Immunologie et des Maladies Infectieuses (CIMI), Institut National de la Santé et de la Recherche Médicale (INSERM)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS), Institut Pierre Louis d'Epidémiologie et de Santé Publique (iPLESP), Institut National de la Santé et de la Recherche Médicale (INSERM)-Sorbonne Université (SU), and Dorgham, Karim

Subjects
[SDV.MHEP.ME] Life Sciences [q-bio]/Human health and pathology/Emerging diseases, Adult, Male, [SDV.MHEP.ME]Life Sciences [q-bio]/Human health and pathology/Emerging diseases, Adolescent, SARS-CoV-2, COVID-19, Stroke Volume, Middle Aged, Systemic Inflammatory Response Syndrome, Ventricular Function, Left, [SDV.MHEP.CSC] Life Sciences [q-bio]/Human health and pathology/Cardiology and cardiovascular system, Myocarditis, Young Adult, Phenotype, [SDV.MHEP.CSC]Life Sciences [q-bio]/Human health and pathology/Cardiology and cardiovascular system, [SDV.MHEP.MI]Life Sciences [q-bio]/Human health and pathology/Infectious diseases, [SDV.SPEE] Life Sciences [q-bio]/Santé publique et épidémiologie, [SDV.MHEP.MI] Life Sciences [q-bio]/Human health and pathology/Infectious diseases, Humans, [SDV.SPEE]Life Sciences [q-bio]/Santé publique et épidémiologie, Female, Cardiology and Cardiovascular Medicine, Autoantibodies, Retrospective Studies
Abstract

International audience; Background: Adults who have been infected with SARS-CoV-2 can develop a multisystem inflammatory syndrome (MIS-A), including fulminant myocarditis. Yet, several patients fail to meet MIS-A criteria, suggesting the existence of distinct phenotypes in fulminant COVID-19–related myocarditis.Objectives: This study sought to compare the characteristics and clinical outcome between patients with fulminant COVID-19–related myocarditis fulfilling MIS-A criteria (MIS-A+) or not (MIS-A−).Methods: A monocentric retrospective analysis of consecutive fulminant COVID-19–related myocarditis in a 26-bed intensive care unit (ICU).Results: Between March 2020 and June 2021, 38 patients required ICU admission (male 66%; mean age 32 ± 15 years) for suspected fulminant COVID-19–related myocarditis. In-ICU treatment for organ failure included dobutamine 79%, norepinephrine 60%, mechanical ventilation 50%, venoarterial extracorporeal membrane oxygenation 42%, and renal replacement therapy 29%. In-hospital mortality was 13%. Twenty-five patients (66%) met the MIS-A criteria. MIS-A− patients compared with MIS-A+ patients were characterized by a shorter delay between COVID-19 symptoms onset and myocarditis, a lower left ventricular ejection fraction, and a higher rate of in-ICU organ failure, and were more likely to require mechanical circulatory support with venoarterial extracorporeal membrane oxygenation (92% vs 16%; P < 0.0001). In-hospital mortality was higher in MIS-A− patients (31% vs 4%). MIS-A+ had higher circulating levels of interleukin (IL)-22, IL-17, and tumor necrosis factor-α (TNF-α), whereas MIS-A− had higher interferon-α2 (IFN-α2) and IL-8 levels. RNA polymerase III autoantibodies were present in 7 of 13 MIS-A− patients (54%) but in none of the MIS-A+ patients.Conclusion: MIS-A+ and MIS-A− fulminant COVID-19–related myocarditis patients have 2 distinct phenotypes with different clinical presentations, prognosis, and immunological profiles. Differentiating these 2 phenotypes is relevant for patients’ management and further understanding of their pathophysiology

Published
2022
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5. Low versus standard calorie and protein feeding in ventilated adults with shock: a randomised, controlled, multicentre, open-label, parallel-group trial (NUTRIREA-3)

Author

Jean Reignier, Gaetan Plantefeve, Jean-Paul Mira, Laurent Argaud, Pierre Asfar, Nadia Aissaoui, Julio Badie, Nicolae-Vlad Botoc, Laurent Brisard, Hoang-Nam Bui, Delphine Chatellier, Louis Chauvelot, Alain Combes, Christophe Cracco, Michael Darmon, Vincent Das, Matthieu Debarre, Agathe Delbove, Jérôme Devaquet, Louis-Marie Dumont, Olivier Gontier, Samuel Groyer, Laurent Guérin, Bertrand Guidet, Yannick Hourmant, Samir Jaber, Fabien Lambiotte, Christophe Leroy, Philippe Letocart, Benjamin Madeux, Julien Maizel, Olivier Martinet, Frédéric Martino, Virginie Maxime, Emmanuelle Mercier, Mai-Anh Nay, Saad Nseir, Johanna Oziel, Walter Picard, Gael Piton, Jean-Pierre Quenot, Florian Reizine, Anne Renault, Jack Richecoeur, Jean-Philippe Rigaud, Francis Schneider, Daniel Silva, Michel Sirodot, Bertrand Souweine, Fabienne Tamion, Nicolas Terzi, Didier Thévenin, Guillaume Thiery, Nathalie Thieulot-Rolin, Jean-Francois Timsit, Francois Tinturier, Patrice Tirot, Thierry Vanderlinden, Isabelle Vinatier, Christophe Vinsonneau, Sebastian Voicu, Jean-Baptiste Lascarrou, Amélie Le Gouge, Damien Contou, Olivier Pajot, Paul Jaubert, Nathalie Marin, Marie Simon, Martin Cour, Satar Mortaza, Vincent Souday, Marie Lemerle, Sylvain Malfroy, Fernando Berdaguer Ferrari, Bertrand Rozec, Didier Gruson, Charline Sazio, Suzanne Champion, Florence Boissier, Anne Veinstein, Loredana Baboi, Jean-Christophe Richard, Hodane Yonis, Loïc Le Guennec, Lucie Lefevre, Juliette Chommeloux, Guillaume Hékimian, Virginie Lemiale, Eric Mariotte, Sandrine Valade, Joanna Tirolien, Yannick Fedun, Charles Cerf, Guillaume Tachon, Jérôme Roustan, Sylvie Vimeux, Michel Bonnivard, Nadia Anguel, David Osman, Karim Asehnoune, Antoine Roquilly, Fouad Belafia, Matthieu Conseil, Moussa Cisse, Bouras Chaouki, Rémi Espenel, Christine Brasse, Sébastien Ena, Arnaud Delahaye, Jeremy Castanera, Thierry Dulac, Philippe Petua, Yoann Zerbib, Clément Brault, Djillali Annane, Rania Bounab, Nicholas Heming, Thierry Boulain, Sophie Jacquier, Grégoire Muller, Raphael Favory, Sébastien Préau, Julien Poissy, Alexandre Massri, Floriane Lissonde, Hadrien Winiszewski, Thibault Vieille, Marine Jacquier, Marie Labruyère, Pascal Andreu, Jean-Marc Tadié, Laetitia Bodenes, Danièle Combaux, David Luis, Antoine Marchalot, Jean-Etienne Herbrecht, Raphaël Clere-Jehl, David Schnell, Jérôme Aboad, David Bougon, Etienne Escudier, Elisabeth Coupez, Claire Dupuis, Zoe Demailly, Louis-Marie Galerneau, Jonathan Chelly, Franck Pourcine, Ly Van Vong, Sonia Abid, Etienne De Montmollin, Romain Sonneville, Christophe Guitton, Nicolas Chudeau, Mickaël Landais, Vincent Pages, Caroline Séjourné, Imen Rahmani, Ghada Sbouj, Bruno Megarbane, Nicolas Deye, Isabelle Malissin, Motricité, interactions, performance UR 4334 / Movement - Interactions - Performance (MIP), Le Mans Université (UM)-Nantes Université - UFR des Sciences et Techniques des Activités Physiques et Sportives (Nantes Univ - UFR STAPS), Nantes Université - pôle Santé, Nantes Université (Nantes Univ)-Nantes Université (Nantes Univ)-Nantes Université - pôle Santé, Nantes Université (Nantes Univ)-Nantes Université (Nantes Univ), Centre hospitalier universitaire de Nantes (CHU Nantes), Centre hospitalier Argenteuil (CH Argenteuil), Hôpital Cochin [AP-HP], Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP), Hôpital Edouard Herriot [CHU - HCL], Hospices Civils de Lyon (HCL), Centre Hospitalier Universitaire d'Angers (CHU Angers), PRES Université Nantes Angers Le Mans (UNAM), Hôpital Européen Georges Pompidou [APHP] (HEGP), Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Hôpitaux Universitaires Paris Ouest - Hôpitaux Universitaires Île de France Ouest (HUPO), Hôpital Nord Franche-Comté [Hôpital de Trévenans] (HNFC), CH de Saint-Malo [Broussais], Hôpital Guillaume-et-René-Laennec [Saint-Herblain], Service de Réanimation Médicale [CHU Bordeaux], CHU Bordeaux [Bordeaux]-Hôpital Pellegrin, Centre hospitalier universitaire de Poitiers (CHU Poitiers), Hôpital de la Croix-Rousse [CHU - HCL], Unité de Recherche sur les Maladies Cardiovasculaires, du Métabolisme et de la Nutrition = Research Unit on Cardiovascular and Metabolic Diseases (ICAN), Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Sorbonne Université (SU)-Institut de Cardiométabolisme et Nutrition = Institute of Cardiometabolism and Nutrition [CHU Pitié Salpêtrière] (IHU ICAN), CHU Pitié-Salpêtrière [AP-HP], Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Sorbonne Université (SU)-Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Sorbonne Université (SU)-CHU Pitié-Salpêtrière [AP-HP], Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Sorbonne Université (SU), Centre Hospitalier d'Angoulême (CH Angoulême), Hopital Saint-Louis [AP-HP] (AP-HP), Centre Hospitalier Intercommunal André Grégoire [Montreuil] (CHI André Gregoire), Centre hospitalier Saint-Brieuc, Centre hospitalier Bretagne Atlantique (Morbihan) (CHBA), Hôpital Foch [Suresnes], Hôpital Louis Mourier - AP-HP [Colombes], Hôpitaux de Chartres [Chartres], Centre hospitalier de Montauban (CH Montauban), AP-HP Hôpital Bicêtre (Le Kremlin-Bicêtre), Pharmacoépidémiologie et évaluation des soins [iPLesp] (PEPITES), Institut Pierre Louis d'Epidémiologie et de Santé Publique (iPLESP), Institut National de la Santé et de la Recherche Médicale (INSERM)-Sorbonne Université (SU)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Sorbonne Université (SU), Centre d’Investigation Clinique de Nantes (CIC Nantes), Université de Nantes (UN)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Centre hospitalier universitaire de Nantes (CHU Nantes), Centre Hospitalier Régional Universitaire [Montpellier] (CHRU Montpellier), Physiologie & médecine expérimentale du Cœur et des Muscles [U 1046] (PhyMedExp), Institut National de la Santé et de la Recherche Médicale (INSERM)-Centre National de la Recherche Scientifique (CNRS)-Université de Montpellier (UM), Centre hospitalier [Valenciennes, Nord], Centre Hospitalier Emile Roux [AP-HP], Hôpital Jacques Puel - Bourran [Rodez] (HJPB), Centre Hospitalier de Bigorre [Tarbes], CHU Amiens-Picardie, Mécanismes physiopathologiques et conséquences des calcifications vasculaires - UR UPJV 7517 (MP3CV), Université de Picardie Jules Verne (UPJV)-CHU Amiens-Picardie, Unité de Soins Intensifs [CHU La Réunion], Centre Hospitalier Universitaire de La Réunion (CHU La Réunion), CHU Pointe-à-Pitre/Abymes [Guadeloupe], Hôpital Raymond Poincaré [Garches], Infection et inflammation (2I), Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Institut National de la Santé et de la Recherche Médicale (INSERM), Centre de recherche sur l'interculturalité et la circulation médiatique des savoirs (CRICS (EA_3965)), Université Paris Diderot - Paris 7 (UPD7), Centre Hospitalier Régional d'Orléans (CHRO), CHU Lille, Unité de Glycobiologie Structurale et Fonctionnelle - UMR 8576 (UGSF), Université de Lille-Centre National de la Recherche Scientifique (CNRS), Hôpital Avicenne [AP-HP], Centre hospitalier de Pau, Centre Hospitalier Régional Universitaire de Besançon (CHRU Besançon), Marqueurs pronostiques et facteurs de régulations des pathologies cardiaques et vasculaires - UFC ( UR 3920) (PCVP / CARDIO), Centre Hospitalier Régional Universitaire de Besançon (CHRU Besançon)-Université de Franche-Comté (UFC), Université Bourgogne Franche-Comté [COMUE] (UBFC)-Université Bourgogne Franche-Comté [COMUE] (UBFC), Centre Hospitalier Universitaire de Dijon - Hôpital François Mitterrand (CHU Dijon), Laboratoire d'Excellence : Lipoprotéines et Santé : prévention et Traitement des maladies Inflammatoires et du Cancer (LabEx LipSTIC), École Pratique des Hautes Études (EPHE), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Institut Gustave Roussy (IGR)-Centre Hospitalier Régional Universitaire de Nancy (CHRU Nancy)-Centre Hospitalier Régional Universitaire de Besançon (CHRU Besançon)-Université de Bourgogne (UB)-Centre Hospitalier Universitaire de Dijon - Hôpital François Mitterrand (CHU Dijon)-Centre Régional de Lutte contre le cancer Georges-François Leclerc [Dijon] (UNICANCER/CRLCC-CGFL), UNICANCER-UNICANCER-Institut National de la Santé et de la Recherche Médicale (INSERM)-Fédération Francophone de la Cancérologie Digestive, FFCD-Etablissement français du sang [Bourgogne-Franche-Comté] (EFS BFC)-Centre National de la Recherche Scientifique (CNRS)-Université de Franche-Comté (UFC), Université Bourgogne Franche-Comté [COMUE] (UBFC)-Université Bourgogne Franche-Comté [COMUE] (UBFC)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE)-Institut Agro Dijon, Institut national d'enseignement supérieur pour l'agriculture, l'alimentation et l'environnement (Institut Agro)-Institut national d'enseignement supérieur pour l'agriculture, l'alimentation et l'environnement (Institut Agro)-Université de Montpellier (UM), Département d'épidémiologie, biostatistique et recherche clinique, Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-AP-HP - Hôpital Bichat - Claude Bernard [Paris], Université de Bourgogne (UB), Centre Hospitalier Universitaire [Rennes], Hôpital de la Cavale Blanche - CHRU Brest (CHU - BREST ), Centre Hospitalier de Beauvais, Centre hospitalier de Dieppe, Les Hôpitaux Universitaires de Strasbourg (HUS), Hôpital Delafontaine, Centre Hospitalier de Saint-Denis [Ile-de-France], Centre Hospitalier Annecy-Genevois [Saint-Julien-en-Genevois], CHU Gabriel Montpied [Clermont-Ferrand], CHU Clermont-Ferrand, Endothélium, valvulopathies et insuffisance cardiaque (EnVI), Université de Rouen Normandie (UNIROUEN), Normandie Université (NU)-Normandie Université (NU)-Institut National de la Santé et de la Recherche Médicale (INSERM), Hôpital Charles Nicolle [Rouen], CHU Rouen, Normandie Université (NU)-Normandie Université (NU), Hypoxie et PhysioPathologie (HP2), Institut National de la Santé et de la Recherche Médicale (INSERM)-Université Grenoble Alpes (UGA), Centre Hospitalier de Lens, Centre Hospitalier Universitaire de Saint-Etienne [CHU Saint-Etienne] (CHU ST-E), Intensive Care Unit, Groupe Hospitalier Sud Ile de France, 270 avenue Marc Jacquet, 77000, Melun, CIC - CHU Bichat, Institut National de la Santé et de la Recherche Médicale (INSERM), Infection, Anti-microbiens, Modélisation, Evolution (IAME (UMR_S_1137 / U1137)), Institut National de la Santé et de la Recherche Médicale (INSERM)-Université Paris Cité (UPCité)-Université Sorbonne Paris Nord, Centre Hospitalier Le Mans (CH Le Mans), Institut Catholique de Lille (ICL), Université catholique de Lille (UCL), Centre de recherche en éducation de Nantes (CREN), Le Mans Université (UM)-Université de Nantes - UFR Lettres et Langages (UFRLL), Université de Nantes (UN)-Université de Nantes (UN), Centre Hospitalier Départemental - Hôpital de La Roche-sur-Yon (CHD Vendée), Centre Hospitalier de Béthune (CH Béthune), GHT de l'Artois, Service d'Anesthésie-Réanimation [AP-HP Hôpitaux Saint-Louis Lariboisière], Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Hôpital Lariboisière-Fernand-Widal [APHP], Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Université Paris Cité (UPCité), Centre d’Investigation Clinique [Tours] CIC 1415 (CIC ), Centre Hospitalier Régional Universitaire de Tours (CHRU Tours)-Hôpital Bretonneau-Université de Tours (UT)-Institut National de la Santé et de la Recherche Médicale (INSERM), CHU Trousseau [Tours], Centre Hospitalier Régional Universitaire de Tours (CHRU Tours), and French Ministry of Health.

Subjects
Pulmonary and Respiratory Medicine, [SDV]Life Sciences [q-bio]
Abstract

Also written with the NUTRIREA-3 Trial Investigators and the Clinical Research in Intensive Care and Sepsis (CRICS-TRIGGERSEP) Group; International audience; BackgroundThe optimal calorie and protein intakes at the acute phase of severe critical illness remain unknown. We hypothesised that early calorie and protein restriction improved outcomes in these patients, compared with standard calorie and protein targets.MethodsThe pragmatic, randomised, controlled, multicentre, open-label, parallel-group NUTRIREA-3 trial was performed in 61 French intensive care units (ICUs). Adults (≥18 years) receiving invasive mechanical ventilation and vasopressor support for shock were randomly assigned to early nutrition (started within 24 h after intubation) with either low or standard calorie and protein targets (6 kcal/kg per day and 0·2–0·4 g/kg per day protein vs 25 kcal/kg per day and 1·0–1·3 g/kg per day protein) during the first 7 ICU days. The two primary endpoints were time to readiness for ICU discharge and day 90 all-cause mortality. Key secondary outcomes included secondary infections, gastrointestinal events, and liver dysfunction. The trial is registered on ClinicalTrials.gov, NCT03573739, and is completed.FindingsOf 3044 patients randomly assigned between July 5, 2018, and 8 Dec 8, 2020, eight withdrew consent to participation. By day 90, 628 (41·3%) of 1521 patients in the low group and 648 (42·8%) of 1515 patients in the standard group had died (absolute difference –1·5%, 95% CI –5·0 to 2·0; p=0·41). Median time to readiness for ICU discharge was 8·0 days (IQR 5·0–14·0) in the low group and 9·0 days (5·0–17·0) in the standard group (hazard ratio [HR] 1·12, 95% CI 1·02 to 1·22; p=0·015). Proportions of patients with secondary infections did not differ between the groups (HR 0·85, 0·71 to 1·01; p=0·06). The low group had lower proportions of patients with vomiting (HR 0·77, 0·67 to 0·89; p

Published
2023
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6. Corrigendum to 'Pharmacokinetics/pharmacodynamics of ceftobiprole in patients on extracorporeal membrane oxygenation' [International Journal of Antimicrobial Agents Volume 61 (2023)106765]

Author

Alexandre Coppens, Noël Zahr, Juliette Chommeloux, Alexandre Bleibtreu, Guillaume Hekimian, Marc Pineton de Chambrun, Lucie LeFevre, Matthieu Schmidt, Jérôme Robert, Helga Junot, Alain Combes, and Charles-Edouard Luyt

Subjects
Microbiology (medical), Infectious Diseases, Pharmacology (medical), General Medicine
Published
2023
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8. Extracorporeal Membrane Oxygenation instead of Invasive Mechanical Ventilation in a Patient with Severe COVID-19–associated Acute Respiratory Distress Syndrome

Author

Juliette Chommeloux, Matthieu Schmidt, Julie Molle, Petra Barhoum, Marc Pineton de Chambrun, Guillaume Hékimian, Charles Juvin, Charles Edouard Luyt, Guillaume Lebreton, Alain Combes, Nicolas Bréchot, and Lucie Lefevre

Subjects
Pulmonary and Respiratory Medicine, Mechanical ventilation, 2019-20 coronavirus outbreak, Coronavirus disease 2019 (COVID-19), business.industry, Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), medicine.medical_treatment, Acute respiratory distress, Critical Care and Intensive Care Medicine, Anesthesia, Correspondence, medicine, Extracorporeal membrane oxygenation, business
Published
2021
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9. Delivery decision in pregnant women rescued by ECMO for severe ARDS: a retrospective multicenter cohort study

Author

Sarah Aissi James, Christophe Guervilly, Mathieu Lesouhaitier, Alexandre Coppens, Clément Haddadi, Guillaume Lebreton, Jacky Nizard, Nicolas Brechot, Benjamin Assouline, Ouriel Saura, David Levy, Lucie Lefèvre, Pétra Barhoum, Juliette Chommeloux, Guillaume Hékimian, Charles-Edouard Luyt, Antoine Kimmoun, Alain Combes, and Matthieu Schmidt

Subjects
Extracorporeal membrane oxygenation, Pregnant women, Acute respiratory distress syndrome, Delivery, Outcomes, Medical emergencies. Critical care. Intensive care. First aid, RC86-88.9
Abstract

Abstract Background Although rarely addressed in the literature, a key question in the care of critically pregnant women with severe acute respiratory distress syndrome (ARDS), especially at the time of extracorporeal membrane oxygenation (ECMO) decision, is whether delivery might substantially improve the mother’s and child’s conditions. This multicenter, retrospective cohort aims to report maternal and fetal short- and long-term outcomes of pregnant women with ECMO-rescued severe ARDS according to the timing of the delivery decision taken before or after ECMO cannulation. Methods We included critically ill women with ongoing pregnancy or within 15 days after a maternal/child-rescue-aimed delivery supported by ECMO for a severe ARDS between October 2009 and August 2021 in four ECMO centers. Clinical characteristics, critical care management, complications, and hospital discharge status for both mothers and children were collected. Long-term outcomes and premature birth complications were assessed. Results Among 563 women on venovenous ECMO during the study period, 11 were cannulated during an ongoing pregnancy at a median (range) of 25 (21–29) gestational weeks, and 13 after an emergency delivery performed at 32 (17–39) weeks of gestation. Pre-ECMO PaO2/FiO2 ratio was 57 (26–98) and did not differ between the two groups. Patients on ECMO after delivery reported more major bleeding (46 vs. 18%, p = 0.05) than those with ongoing pregnancy. Overall, the maternal hospital survival was 88%, which was not different between the two groups. Four (36%) of pregnant women had a spontaneous expulsion on ECMO, and fetal survival was higher when ECMO was set after delivery (92% vs. 55%, p = 0.03). Among newborns alive, no severe preterm morbidity or long-term sequelae were reported. Conclusion Continuation of the pregnancy on ECMO support carries a significant risk of fetal death while improving prematurity-related morbidity in alive newborns with no difference in maternal outcomes. Decisions regarding timing, place, and mode of delivery should be taken and regularly (re)assess by a multidisciplinary team in experienced ECMO centers.

Published
2022
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10. Augmented renal clearance in the ICU: estimation, incidence, risk factors and consequences—a retrospective observational study

Author

Alexandre Egea, Claire Dupuis, Etienne de Montmollin, Paul-Henry Wicky, Juliette Patrier, Pierre Jaquet, Lucie Lefèvre, Fabrice Sinnah, Mehdi Marzouk, Romain Sonneville, Lila Bouadma, Bertrand Souweine, and Jean-François Timsit

Subjects
Augmented renal clearance, Intensive care unit, Epidemiology, Medical emergencies. Critical care. Intensive care. First aid, RC86-88.9
Abstract

Abstract Background Augmented renal clearance (ARC) remains poorly evaluated in ICU. The objective of this study is to provide a full description of ARC in ICU including prevalence, evolution profile, risk factors and outcomes. Methods This was a retrospective, single-center, observational study. All the patients older than 18 years admitted for the first time in Medical ICU, Bichat, University Hospital, APHP, France, between January 1, 2017, and November 31, 2020 and included into the Outcomerea database with an ICU length of stay longer than 72 h were included. Patients with chronic kidney disease were excluded. Glomerular filtration rate was estimated each day during ICU stay using the measured creatinine renal clearance (CrCl). Augmented renal clearance (ARC) was defined as a 24 h CrCl greater than 130 ml/min/m2. Results 312 patients were included, with a median age of 62.7 years [51.4; 71.8], 106(31.9%) had chronic cardiovascular disease. The main reason for admission was acute respiratory failure (184(59%)) and 196(62.8%) patients had SARS-COV2. The median value for SAPS II score was 32[24; 42.5]; 146(44%) and 154(46.4%) patients were under vasopressors and invasive mechanical ventilation, respectively. The overall prevalence of ARC was 24.6% with a peak prevalence on Day 5 of ICU stay. The risk factors for the occurrence of ARC were young age and absence of cardiovascular comorbidities. The persistence of ARC during more than 10% of the time spent in ICU was significantly associated with a lower risk of death at Day 30. Conclusion ARC is a frequent phenomenon in the ICU with an increased incidence during the first week of ICU stay. Further studies are needed to assess its impact on patient prognosis.

Published
2022
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11. Eomesodermin together with KIR/NKG2A membrane receptors and CD49d as an useful strategy to identify NK-like CD8(+) T cells with innate features in humans: focusing on cancer diseases

Author

Andre Herbelin, Emilie Cayssials, Florence Jacomet, Nicolas Gonzalo Nunez, Sara Basbous, Lucie Lefevre, Myriam Abdallah, Nathalie Piccirilli, Vincent Lavoue, Véronique Catros, Eliane Piaggio, Jean-Marc Gombert, and Alice Barbarin

Subjects
Immunology, Immunology and Allergy
Abstract

Among the burgeoning family of unconventional T cells, innate-like CD8(+) T cells bear a memory phenotype without having encountered a foreign antigen and can respond to innate-like IL-12+IL-18 stimulation. Although the concept of innate memory (IM) CD8(+) T cells is now well-established in mice, whether an equivalent memory NK-like T-cell population exists in humans remains under debate. We recently reported that CD8(+) T cells responding to innate-like IL-12+IL-18 stimulation and co-expressing the transcription factor Eomesodermin (Eomes) and KIR/NKG2A membrane receptors with a memory/EMRA phenotype may represent a new, functionally distinct innate T cell subset in humans. Here, we proposed Eomes together with KIR/NKG2A and CD49d as a signature to standardize the identification of this innate CD8(+) T-cell subset in humans. Focusing on cancer diseases, we have provided new insights into the potential role of these IM CD8(+) T cells in a physiopathological context in humans. Based on empirical data obtained in cases of chronic myeloid leukemia, a myeloproliferative syndrome controlled by the immune system, and in solid tumors, we have observed both the possible contribution of IM CD8(+) T cells to cancer disease control and their susceptibility to tumor immune subversion. Finally, we have investigated the involvement of IL-4 and IL-15 in the generation of the IM CD8(+) T cell pool and its dependency on promyelocytic leukemia zinc finger (PLZF)-expressing invariant Natural Killer T (iNKT) cells. All in all, this study significantly contributes to understanding of the physiopathological role of NK-like CD8(+) T cells in humans and raises the question of the possible involvement of an iNKT/IM CD8(+) T cell axis in cancer.

Published
2017
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12. Evolving outcomes of extracorporeal membrane oxygenation support for severe COVID-19 ARDS in Sorbonne hospitals, Paris

Author

Matthieu Schmidt, Elise Langouet, David Hajage, Sarah Aissi James, Juliette Chommeloux, Nicolas Bréchot, Petra Barhoum, Lucie Lefèvre, Antoine Troger, Marc Pineton de Chambrun, Guillaume Hékimian, Charles-Edouard Luyt, Martin Dres, Jean-Michel Constantin, Muriel Fartoukh, Pascal Leprince, Guillaume Lebreton, Alain Combes, and for the GRC RESPIRE Sorbonne Université

Subjects
Extracorporeal membrane oxygenation, Venovenous ECMO, Acute respiratory distress syndrome (ARDS), COVID-19, SARS-CoV-2, Outcomes, Medical emergencies. Critical care. Intensive care. First aid, RC86-88.9
Abstract

Abstract Background Extracorporeal membrane oxygenation (ECMO) was frequently used to treat patients with severe coronavirus disease-2019 (COVID-19)-associated acute respiratory distress (ARDS) during the initial outbreak. Care of COVID-19 patients evolved markedly during the second part of 2020. Our objective was to compare the characteristics and outcomes of patients who received ECMO for severe COVID-19 ARDS before or after July 1, 2020. Methods We included consecutive adults diagnosed with COVID-19 in Paris–Sorbonne University Hospital Network ICUs, who received ECMO for severe ARDS until January 28, 2021. Characteristics and survival probabilities over time were estimated during the first and second waves. Pre-ECMO risk factors predicting 90-day mortality were assessed using multivariate Cox regression. Results Characteristics of the 88 and 71 patients admitted, respectively, before and after July 1, 2020, were comparable except for older age, more frequent use of dexamethasone (18% vs. 82%), high-flow nasal oxygenation (19% vs. 82%) and/or non-invasive ventilation (7% vs. 37%) after July 1. Respective estimated probabilities (95% confidence intervals) of 90-day mortality were 36% (27–47%) and 48% (37–60%) during the first and the second periods. After adjusting for confounders, probability of 90-day mortality was significantly higher for patients treated after July 1 (HR 2.27, 95% CI 1.02–5.07). ECMO-related complications did not differ between study periods. Conclusions 90-day mortality of ECMO-supported COVID-19–ARDS patients increased significantly after July 1, 2020, and was no longer comparable to that of non-COVID ECMO-treated patients. Failure of prolonged non-invasive oxygenation strategies before intubation and increased lung damage may partly explain this outcome.

Published
2021
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13. Innate T-αβ lymphocytes as new immunological components of anti-tumoral 'off-target' effects of the tyrosine kinase inhibitor dasatinib

Author

Alice Barbarin, Myriam Abdallah, Lucie Lefèvre, Nathalie Piccirilli, Emilie Cayssials, Lydia Roy, Jean-Marc Gombert, and André Herbelin

Subjects
Medicine, Science
Abstract

Abstract Kinase inhibitors hold great potential as targeted therapy against malignant cells. Among them, the tyrosine kinase inhibitor dasatinib is known for a number of clinically relevant off-target actions, attributed in part to effects on components of the immune system, especially conventional T-cells and natural killer (NK)-cells. Here, we have hypothesized that dasatinib also influences non-conventional T-αβ cell subsets known for their potential anti-tumoral properties, namely iNKT cells and the distinct new innate CD8 T-cell subset. In mice, where the two subsets were originally characterized, an activated state of iNKT cells associated with a shift toward an iNKT cell Th1-phenotype was observed after dasatinib treatment in vivo. Despite decreased frequency of the total memory CD8 T-cell compartment, the proportion of innate-memory CD8 T-cells and their IFNγ expression in response to an innate-like stimulation increased in response to dasatinib. Lastly, in patients administered with dasatinib for the treatment of BCR-ABL-positive leukemias, we provided the proof of concept that the kinase inhibitor also influences the two innate T-cell subsets in humans, as attested by their increased frequency in the peripheral blood. These data highlight the potential immunostimulatory capacity of dasatinib on innate T-αβ cells, thereby opening new opportunities for chemoimmunotherapy.

Published
2020
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