目的：通过超声心动图评价二尖瓣器形态改变与二尖瓣返流程度之间的关系及其临床意义。
Objective to probe the value of mitral annulus peak systolic flow velocity and systolic displacement in evaluating left ventricular systolic function of dilated cardiomyopathy patients.
结论任何引起二尖瓣器质损害的疾病都能导致二尖瓣返流，主动脉瓣返流原因主要为瓣膜退行性变。
Conclusion Any disease which arose the mitral structure harm will lead to the mitral regurgitation. The main pathogeny of aortic regurgitation I...
目前是在二尖瓣脱垂患者的瓣叶上放置夹合器(clip)，可以减少二尖瓣返流，无需对患者进行手术治疗。
They are now taking patients with mitral valve prolapse and putting a clip on the leaflet so that you can reduce the mitral regurgitation without having to send the patient to surgery.
目前是在二尖瓣脱垂患者的瓣叶上放置夹合器(clip)，可以减少二尖瓣返流，无需对患者进行手术治疗。
They are now taking patients with mitral valve prolapse and putting a clip on the leaflet so that you can reduce the mitral regurgitation without having to send the patient to surgery.
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