Journal
SHOCK
Volume 56, Issue 2, Pages 206-214Publisher
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1097/SHK.0000000000001730
Keywords
Anticoagulation; COVID-19; extracorporeal membrane oxygenation; inflammatory markers; intracranial hemorrhage
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The study evaluated the incidence and etiology of intracranial hemorrhage (ICH) in COVID-19 patients requiring ECMO support, with all ICH events occurring in patients who received intravenous anticoagulation. Patients with ICH had higher levels of inflammatory markers and lower blood pH, as well as higher activated partial thromboplastin times.ICH-free survival was lower in COVID-19 patients compared to those with other viral respiratory infections.
COVID-19-related coagulopathy is a known complication of SARS-CoV-2 infection and can lead to intracranial hemorrhage (ICH), one of the most feared complications of extracorporeal membrane oxygenation (ECMO). We sought to evaluate the incidence and etiology of ICH in patients with COVID-19 requiring ECMO. Patients at two academic medical centers with COVID-19 who required venovenous-ECMO support for acute respiratory distress syndrome (ARDS) were evaluated retrospectively. During the study period, 33 patients required ECMO support; 16 (48.5%) were discharged alive, 13 died (39.4%), and 4 (12.1%) had ongoing care. Eleven patients had ICH (33.3%). All ICH events occurred in patients who received intravenous anticoagulation. The ICH group had higher C-reactive protein (P = 0.04), procalcitonin levels (P = 0.02), and IL-6 levels (P = 0.05), lower blood pH before and after ECMO (P < 0.01), and higher activated partial thromboplastin times throughout the hospital stay (P < 0.0001). ICH-free survival was lower in COVID-19 patients than in patients on ECMO for ARDS caused by other viruses (49% vs. 79%, P = 0.02). In conclusion, patients with COVID-19 can be successfully bridged to recovery using ECMO but may suffer higher rates of ICH compared to those with other viral respiratory infections.
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