• Mackenzie Snyder, Binta Y Njie, Ilana Grabenstein, Sara Viola, Hatoon Abbas, Waqas Bhatti, Ryan Lee, Rosalie Traficante, YeungSiu Yan AmySYADepartment of Pharmacy Services, University of Maryland Medical Center, Baltimore, MD, USA., Jonathan H Chow, Ali Tabatabai, Bradley S Taylor, Siamak Dahi, Thomas Scalea, Joseph Rabin, Alison Grazioli, Carolyn S Calfee, Noel Britton, and Andrea R Levine.
• University of Maryland School of Medicine, Baltimore, MD, USA.
• Crit Care. 2023 Nov 14; 27 (1): 440440.

BackgroundThe mortality benefit of VV-ECMO in ARDS has been extensively studied, but the impact on long-term functional outcomes of survivors is poorly defined. We aimed to assess the association between ECMO and functional outcomes in a contemporaneous cohort of survivors of ARDS.MethodsMulticenter retrospective cohort study of ARDS survivors who presented to follow-up clinic. The primary outcome was FVC% predicted. Univariate and multivariate regression models were used to evaluate the impact of ECMO on the primary outcome.ResultsThis study enrolled 110 survivors of ARDS, 34 of whom were managed using ECMO. The ECMO cohort was younger (35 [28, 50] vs. 51 [44, 61] years old, p < 0.01), less likely to have COVID-19 (58% vs. 96%, p < 0.01), more severely ill based on the Sequential Organ Failure Assessment (SOFA) score (7 [5, 9] vs. 4 [3, 6], p < 0.01), dynamic lung compliance (15 mL/cmH20 [11, 20] vs. 27 mL/cmH20 [23, 35], p < 0.01), oxygenation index (26 [22, 33] vs. 9 [6, 11], p < 0.01), and their need for rescue modes of ventilation. ECMO patients had significantly longer lengths of hospitalization (46 [27, 62] vs. 16 [12, 31] days, p < 0.01) ICU stay (29 [19, 43] vs. 10 [5, 17] days, p < 0.01), and duration of mechanical ventilation (24 [14, 42] vs. 10 [7, 17] days, p < 0.01). Functional outcomes were similar in ECMO and non-ECMO patients. ECMO did not predict changes in lung function when adjusting for age, SOFA, COVID-19 status, or length of hospitalization.ConclusionsThere were no significant differences in the FVC% predicted, or other markers of pulmonary, neurocognitive, or psychiatric functional recovery outcomes, when comparing a contemporaneous clinic-based cohort of survivors of ARDS managed with ECMO to those without ECMO.© 2023. The Author(s).

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