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目的总结３２例１４岁以下儿童二尖瓣关闭不全的外科治疗。方法３２例中完全性房室管畸形２０例，室间隔缺损并二尖瓣关闭不全５例，二尖瓣脱垂２例，均为单根或多根腱索断裂。其中５例行二尖瓣置换术，余２７例手术均行二尖瓣成形术，同期矫治心内畸形。结果术后早期死亡４例，死亡率为１２％，死亡原因为低心排３例，心率紊乱１例。结论对１４岁以下儿童二尖瓣关闭不全多数可行成形术，少数可行二尖瓣置换术。
Objective To summarize the surgical treatment of 32 cases of mitral regurgitation in children under 14 years of age. Methods Twenty patients with complete atrioventricular canal deformity in 20 cases, ventricular septal defect with mitral regurgitation in 5 cases and mitral valve prolapse in 2 cases were all single or multiple chordal rupture. Among them, mitral valve replacement was performed in 5 cases and mitral valve plasty was performed in 27 cases. Correction of intracardiac deformity was performed in the same period. Results The early postoperative death in 4 cases, the mortality rate was 12%, the cause of death was low cardiac output in 3 cases, 1 case of heart rate disorders. Conclusion Most of the children under 14 years old with mitral regurgitation are viable, and a few of them are feasible mitral valve replacement.