Abstract

Acute respiratory distress syndrome (ARDS) secondary to influenza in adults is associated with a high rate of morbidity and mortality. Extracorporeal membrane oxygenation (ECMO) is a supportive alternative for severe and refractory cases. This study aimed to perform a hospital-based case-control study between February 2018 and February 2020 for determining the factors associated with 30 day survival in adults with severe ARDS caused by influenza infection who are provided ECMO support. A total of 17 adults received ECMO support, mostly veno-venous for hypoxemic respiratory failure, with a 30 day survival rate of 65%. The cohort of patients who did not survive at 30 days compared with the cohort of those who did survive had higher body mass index (34 vs. 31), higher Sequential Organ Failure Assessment score (9.5 vs. 7) and lower Respiratory ECMO Survival Prediction score (2 vs. 4). This study shows the importance of evaluating the severity scores of patients before ECMO support initiation, which offers an acceptable survival in patients with severe ARDS, making it a feasible alternative in critical patients who are refractory to conventional management.

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