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Is early anticoagulation necessary after biological aortic valve replacement?

April 26, 2017anticoagulation aortic biological early necessary replacement valve

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Is early anticoagulation necessary after biological aortic valve replacement?

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Early antithrombotic therapy after biological aortic valve replacement (AVR) is controversial. The aim of this study was to determine the rate of thromboembolic events (TE) without anticoagulation treatment during the first 3 months after surgery. Out of 143 consecutive patients who underwent biological AVR from January 1998 to December 2004, 127 patients who did not receive anticoagulation were included (89%). Events during the first 3 months after surgery included: 2 strokes (1.5%), 2 major bleedings (1.5%) and 9 deaths (7%) (none of them due to TE). In conclusion, the management of patients without antithrombotic treatment after biological AVR seems to be safe due to a low rate of TE.