Comparison of apixaban versus aspirin for the prevention of latent bioprosthetic aortic valve thrombosis: study protocol for a prospective randomized trial
Abstract Background The optimal antithrombotic strategy early after aortic valve replacement surgery with a biological valve remains controversial due to lack of high-quality evidence.Either oral anticoagulants or acetylsalicylic acid should be considered for the first 3 months.Hypo-attenuated leaflet thickening on cardiac computed tomography has b