Epidemiology
Thrombosis and bleeding in COVID-19 VV ECMO patients continues to be present. Intensivists and a hematologist from Cambridge evaluated the incidence of thrombotic and bleeding events in 30 patients with COVID-19 who had received a full body computed tomography (CT) scan prior to initiation of veno-venous extracorporeal oxygenation (VV-ECMO). The authors report their data inconsistently, but their figures suggest that whole body computed tomography scanner (CT) on admission showed 12 patients had isolated thrombosis, 1 patient had an isolated bleed, and 5 had both. There was no association between a thrombotic or bleeding event and aPTT range. The authors conclude bleeding and thrombotic events are common in COVID-19 patients despite anticoagulation.
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