Valve replacement is one of the way to treat valvular heart disease. Valve replacement with bioprostheses, which occurs low rate of bleeding and thromboembolism events, needs no lifelong anticoagulation. However, the life of bioprostheses is limited. Leaflet tear, leaf calcification, and artificial valve infective endocarditis may occur with using a bioprostheses These adverse events appear early to some patients who fail to achieve the expected service life of bioprostheses. This review mainly summarizes factors influencing early valve degeneration(EVD) of bioprostheses to provide suggestion in clinic.
