风湿性心脏病二尖瓣人工机械瓣替换术后合并慢性心房颤动37例，给予同步电复律。
In 37 patients with atrial fibrillation after replacement of mitral valve (mechanical), electrical conversion was used with energy of 100-200 watt-sec.
结论对于有瓣环扩大的二尖瓣成形术，应用人工瓣环，近期和远期临床效果均满意。
Conclusion The late efficacy of mitral annuloplasty using prosthetic ring is satisfactory.
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