The aim of study is to detect the influence of left ventricle and mitral apparatus remodeling on mitral regurgitation in different conditions by echocardiography, and investigate the mechanism of IMR.

• 目的:观察以滋阴潜阳、活血通络为功效的滋肾活血合剂对高血压病左室舒张功能障碍的改善作用并探讨其作用机理。