将切下的瓣叶缝合于正常三尖瓣环上；
位于三尖瓣环和下腔静脉口间的峡部为消融部位。
The ablation target site was the isthmus between tricuspid valve annulus and inferior vana cava.
术后3月三尖瓣环下移距离有所增大（P<0.05）；
The SD of tricuspid annuli began to increase 3 month after operation (P<0.05).
使用组织多普勒功能研究胎儿二、三尖瓣环的运动速度来反映心肌功能。
Study the velocity of mitral and tricuspid annulus by tissue Doppler Image to reflect the myocardial function.
结论D TI技术测定三尖瓣环运动速度可作为评价冠心病右室功能的新方法。
Conclusion Quantification of tricuspid annular motion velocities measured by DTI provides a new method to assess right ventricular function in patients with CAD.
用带瓣同种肺动脉或主动脉及人造血管，建立右心室流入道三尖瓣环下方至主肺动脉的外管道。
By using allograft conduit, an external valved conduit was reconstructed between the inlet of the right ventricle and the main pulmonary artery.
患者较正常对照组心脏二尖瓣环、三尖瓣环下移距离显著减小（P<0.01），二尖瓣E波最大流速显著增大（P<0.01）；
The SD of mitral and tricuspid annuli were more lower than control group (P<0.01), and E velocity of mitral flow is higher (P<0.01) .
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.
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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