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.
目的总结二尖瓣后环缝缩治疗二尖瓣关闭不全(MI)的临床经验。
Objective to summarize the experience in treating mitral insufficiency (mi), due to secondary annular dilation in the posterior portion of the annulus with mitral valve reconstruction.
目的：比较保留瓣下结构与不保留瓣下结构二尖瓣置换术（MVR）后的左室构型、左室功能的变化。
Objective:To compare the changes on the configuration and the function of left ventricle after two types of MVRs with structure preserved or removed.
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