Healthcare-associated infections in patients with severe COVID-19 supported with extracorporeal membrane oxygenation: a nationwide cohort study
- PMID: 38374103
- PMCID: PMC10877839
- DOI: 10.1186/s13054-024-04832-3
Healthcare-associated infections in patients with severe COVID-19 supported with extracorporeal membrane oxygenation: a nationwide cohort study
Abstract
Background: Both critically ill patients with coronavirus disease 2019 (COVID-19) and patients receiving extracorporeal membrane oxygenation (ECMO) support exhibit a high incidence of healthcare-associated infections (HAI). However, data on incidence, microbiology, resistance patterns, and the impact of HAI on outcomes in patients receiving ECMO for severe COVID-19 remain limited. We aimed to report HAI incidence and microbiology in patients receiving ECMO for severe COVID-19 and to evaluate the impact of ECMO-associated infections (ECMO-AI) on in-hospital mortality.
Methods: For this study, we analyzed data from 701 patients included in the ECMOSARS registry which included COVID-19 patients supported by ECMO in France.
Results: Among 602 analyzed patients for whom HAI and hospital mortality data were available, 214 (36%) had ECMO-AI, resulting in an incidence rate of 27 ECMO-AI per 1000 ECMO days at risk. Of these, 154 patients had bloodstream infection (BSI) and 117 patients had ventilator-associated pneumonia (VAP). The responsible microorganisms were Enterobacteriaceae (34% for BSI and 48% for VAP), Enterococcus species (25% and 6%, respectively) and non-fermenting Gram-negative bacilli (13% and 20%, respectively). Fungal infections were also observed (10% for BSI and 3% for VAP), as were multidrug-resistant organisms (21% and 15%, respectively). Using a Cox multistate model, ECMO-AI were not found associated with hospital death (HR = 1.00 95% CI [0.79-1.26], p = 0.986).
Conclusions: In a nationwide cohort of COVID-19 patients receiving ECMO support, we observed a high incidence of ECMO-AI. ECMO-AI were not found associated with hospital death. Trial registration number NCT04397588 (May 21, 2020).
Keywords: Bloodstream infections; ECLS; Nosocomial infections; SARS-CoV 2; Ventilator-associated pneumonia.
© 2024. The Author(s).
Conflict of interest statement
Nicolas NESSELER declares no competing interests. Alexandre MANSOUR received payments made to his institution from i-SEP for consulting fees, and from LFB, Viatris, Aguettant and Pfizer for lecture fees. Matthieu SCHMIDT received consultancy fees from Getinge, Xenios FMC and Drager. Claire FOUGEROU declares no competing interests. James T. ROSS declares no competing interests. Alizée PORTO declares no competing interests. Marylou PARA declares no competing interests. Pierre-Emmanuel FALCOZ declares no competing interests. Nicolas MONGARDON received consultant fees from Amomed and Baxter. Guillaume LEBRETON reports lecture fees from Livanova and Abiomed. Antoine BEURTON declares no competing interests. Lucie GAIDE-CHEVRONNAY declares no competing interests. Erwan FLECHER declares no competing interests. André VINCENTELLI declares no competing interests. Nicolas MASSART declares no competing interests.
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