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COVID-19 ICU cohort flow diagram. All patients admitted to the ICU were considered excluding patients based on specified exclusions criteria. Those with severe ARDS were considered in the final cohort and divided in those who received RVAD/ECMO and those treated with mechanical ventilation alone. ICU, intensive care unit; ARDS, acute respiratory distress syndrome; VV, venovenous; ECMO, extracorporeal membrane oxygenation; RVAD, right ventricular assist device
