我们认为心房纤颤病程长，PBMV后瓣口面积小和左房回缩差是心房纤颤复发的可能原因。

It was considered that longer atrial fibrillation history, small mitral area and higher left atrial pressure after PBMV were the key factors of atrial fibrillation recurrence.

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方法通过DTI - M型模式检测33例健康人心尖四腔观和二腔观二尖瓣环后瓣叶外侧缘的运动。

Methods Mitral annular motion in 33 cases of normal subjects form apical four-chamber view and two-chamber view were detected with DTI-M mode.

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对于切除后不能直接缝合的创面，皮瓣转移是最能满足颜面部形态功能需要的修复方法；

Skin flap transfer could mostly satisfy the function requirements of facies for the wound that was not able to be sutured after excision.

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