结论二尖瓣置换术后远期三尖瓣功能性关闭不全与三尖瓣环扩大、右心功能损害和严重肺动脉高压有关，三尖瓣环扩大是其重要的原因。

Conclusion tricuspid annular dilatation, right heart impairment and severe pulmonary hypertension are responsible for the development of late tricuspid regurgitation after mitral valve replacement.

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合并冠状动脉病变2例，风湿性二尖瓣狭窄2例，二尖瓣中重度关闭不全3例，三尖瓣重度反流4例。

Combined cardiac diseases included coronary heart disease (2 cases), rheumatic mitral stenosis (2 cases), and severe mitral insufficiency (3 cases), and severe tricuspid insufficiency (4 cases).

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腹部超声示肝硬化、门脉高压和巨脾，超声心动图示心肌肥大、二尖瓣和三尖瓣轻度关闭不全；

Abdominal ultrasound examinations showed cirrhosis, portal hypertension, splenomegaly. Echocardiogram showed left ventricular myohypertrophia, mild mitral and tricuspid valve insufficiency.

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