The objective is to explore the roles of color Doppler vena contracta in the evaluation of mitral regurgitation grading.

目的是探讨彩色多普勒静脉收缩术在评估二尖瓣反流分级中的作用。

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Mild mitral regurgitation.

二尖瓣轻度反流。

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Mitral regurgitation is one of the most serious heart diseases.

二尖瓣返流是心脏疾病最主要的发病之一。

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The panel met to evaluate use of the novel device in patients with significant symptomatic mitral regurgitation (MR) who have been determined by a cardiac surgeon to be too high risk for open mitral valve surgery and in whom existing co-morbidities would not preclude the expected benefit from correction of the MR.

FORBES: FDA Panel Gives Tepid Endorsement To Abbott's MitraClip