应用二尖瓣环自动追踪技术测量二尖瓣环收缩期位移评价左室收缩功能的准确性探讨  

Application of mitral annulus automatic tracking technique to measure the accuracy of left ventricular systolic function in systolic displacement of mitral annulus

作　　者：刘捷 LIU Jie(Henan Provincial Hospital of Traditional Chinese Medicine,Henan Zhengzhou 45000)

机构地区：[1]河南省中医院,河南郑州450002

出　　处：《中西医结合心血管病电子杂志》2018年第27期5-6,共2页Cardiovascular Disease Electronic Journal of Integrated Traditional Chinese and Western Medicine

摘　　要：目的应用二尖瓣环自动追踪技术(AMAT)测量二尖瓣环收缩期位移,探讨AMAT评价左室收缩功能的准确性。方法选取受检者60例作为研究对象,其中LVEF>50%者30例,LVEF<50%者30例。取心尖四腔心,分别采用M-型超声心动图法(M-型法)和AMAT法测量二尖瓣环间隔侧及侧壁处的收缩期位移(MAD-S、MAD-l);并用改良Simpson’s法测定左室射血分数(LVEF)。结果 AMAT和M-型法测量的MAD-S、MAD-l无显著性差异(P>0.05);并与LVEF相关性良好(r=0.89和r=0.86)。结论 AMAT可以简便、快速、准确地测量二尖瓣环收缩期位移,为评价左室收缩功能提供了一种新方法。Objective To evaluate the accuracy of automated mitxal annular tracking （AMAT） for assessing left ventxicular systolic function through detemination mitxal annular displacement（MAD）.Methods Sixty subjects were studied,including 30 subjects with LVEF〉50% and 30 subjects with LVEF〈50%,LVEF of all subjects were determined by 2D echocardiography using Simpsons rule. MAD of septal and lateral sites of mitxal annulus（MAD-S and MAD-1） from apical four-chamber view were determined by AMAT and M-mode echocardiography. Results MAD-S and MAD-1 by AMAT had no significant diffrenences when compared with it measured by M-mode echocardiography（P〉0.05）,and correlated closely with the LVEF determined by 2D echocardiography using Simpsons rule （r=0.89和r=0.86） .Conclusions AMAT can simply, rapidly and accurately detect mitral annular displacement, and provide a new technigue for evaluating left ventxicular systolic function.

关 键 词：二尖瓣环自动追踪技术 二尖瓣环位移 左室收缩功能 

分 类 号：R445.1[医药卫生—影像医学与核医学]