全部病例均有二尖瓣关闭不全，4例合并其他心脏病。

All these cases had mitral insufficiency, among which 4 cases had other heart diseases.

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全部病例均有二尖瓣关闭不全，4例合并其他心脏病。

All these cases had mitral insufficiency, among which 4 cases had other heart diseases.

youdao