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报告31例患者用ZDE测得的二尖瓣瓣环收缩期位移与左室电影造影测得的EF密切相关(r=0.91,P<0.001),提示前者是反映左室收缩功能状态指数之一。
The reported displacement of mitral annulus systolic velocity measured by ZDE in 31 patients was closely associated with EF measured by left ventricular angiography (r = 0.91, P <0.001), suggesting that the former is one of the indices reflecting left ventricular systolic function status .