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Introduction: We aimed to identify risk factors associated with ICU mortality in critically ill patients with COVID-19 pneumonia treated with Extracorporeal membrane oxygenation (ECMO). We also aimed to assess protocol violations of the local eligibility criteria of ECMO initiation.
Methods: All 31 consecutive adult patients with confirmed COVID-19 pneumonia admitted to ICU and treated with ECMO from March 13th 2020 to 8 December 2021 were enrolled. Eligibility criteria for ECMO initiation were: P/F-ratio<50 mmHg >3 hours, P/F-ratio<80 mmHg >6 hours or pH<7.25 + PaCO2>60 mmHg >6 hours, despite maximal protective invasive ventilation. Primary outcome was ICU mortality. Univariate logistic regression analyses were performed to identify predictors of ICU mortality.
Results: 12 out of 31 patients (38.7%) did not survive ECMO treatment in ICU. Half of the non-survivors suffered from acute kidney failure compared to 3 out of 19 survivors (15.79%) ( = .04). Half of the non-survivors required CRRT treatment versus 1 patient in the survivor group (5.3%) ( < .01). Higher age (2.45 (0.97-6.18), = .05), the development of AKI (5.33 (1.00-28.43), = .05), need of CRRT during ICU stay (18.00 (1.79-181.31), = .01) and major bleeding during ECMO therapy (0.51 (0.19-0.89), < .01) were identified to be predictors of ICU mortality.
Conclusion: Almost 60% of patients could be treated successfully with ECMO with sustained results at 3 months. Predictors for ICU mortality were development of AKI and need of CRRT during ICU stay, higher age category and major bleeding. Inadvertent ECMO allocation was noted in almost one in five patients.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC9554572 | PMC |
| http://dx.doi.org/10.1177/02676591221131487 | DOI Listing |
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