Prevention of venous thromboembolism and haemostasis monitoring in patients with COVID-19: Updated proposals (April 2021): From the French working group on perioperative haemostasis (GIHP) and the French study group on thrombosis and haemostasis (GFHT), in collaboration with the French society of anaesthesia and intensive care (SFAR).
2021
In April 2020, in response to the high thrombotic risk associated with COVID-19, the GIHP and GFHT published proposals for the prevention of venous thromboembolism (VTE) and haemostasis monitoring in patients with COVID-19 [1]. In February 2021, six authors from the proposals (CT, AM, AlG, AnG, SS, YG, PA) decided to update them. This update was justified by several points:
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The epidemiology of thrombotic complications has been described.
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Different anticoagulation regimens have been reported, and retrospective studies have suggested that higher-than-standard prophylactic anticoagulation may be beneficial.
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Initially underestimated, bleeding complications have emerged as a limitation of increased-dose anticoagulation and occur later than thrombotic events.
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The first results of large-scale randomised controlled studies on increased doses of anticoagulation have been published.
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Immunomodulatory therapies (corticosteroids, interleukin-6 receptor antagonists) are now widely used, but their effect on the thrombotic risk is unknown.
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Despite improved survival, thrombotic complications remain a concern [2].
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