Background: We reviewed the patients who un der went tricuspid valve replacement (TVR) to compare the long-term clinical results of bioprosthetic valve with mechanical valve in tricuspid position.

• 背景：对接受过三尖瓣置换术(TVR)的患者进行回顾，比较生物瓣膜和机械瓣膜的远期临床效果。