斑点追踪成像技术对慢性心力衰竭患者左心室扭转运动角度的测量及其临床意义

J4 ›› 2011, Vol. 37 ›› Issue (1): 159-162.

斑点追踪成像技术对慢性心力衰竭患者左心室扭转运动角度的测量及其临床意义

王丽|高东梅|宋军|冯海艳|王迪|倪璐佳|董璠

吉林大学中日联谊医院超声科| 吉林长春 130033

收稿日期:2010-09-06 出版日期:2011-01-28 发布日期:2011-01-28
通讯作者: 高东梅（Tel:0431-84995104,E-mail:xiaoxing1@sohu.com） E-mail:xiaoxing1@sohu.com
作者简介:王丽（1985-）|女|宁夏回族自治区灵武市人|在读医学硕士|主要从事心脏超声方面的研究。
基金资助:
吉林省科技厅科技计划项目资助课题（20090731）

Determination of left ventricular short-axis views torsion in patients with heart failure by speckle tracking imaging and its clinical significance

Department of Ultrasound|China-Japan Union Hospital,Jilin |University,Changchun 130033,China

Received:2010-09-06 Online:2011-01-28 Published:2011-01-28

摘要/Abstract

摘要：

目的：应用斑点追踪成像（STI）技术测量慢性心力衰竭（CHF）患者左心室短轴方向旋转角度，探讨STI评价CHF患者左室扭转运动的临床价值。方法：采集31例CHF患者(CHF组)和32例健康体检者(对照组)的左室短轴(二尖瓣、乳头肌、心尖水平)二维高帧频图像，测量各节段的旋转角度（Rot）,各平面的内膜（endo-rot）、外膜(epi-rot)、平面旋转(bulk-rot)及跨壁扭转(mural-tor)峰值。结果：CHF组各节段的Rot值均显著低于对照组（P<0.01），CHF组各平面的内膜、外膜、平面旋转及跨壁扭转峰值均显著低于对照组（P<0.05），CHF组左室整体扭转显著低于对照组（P<0.01）。结论：CHF患者左心室短轴各平面及各节段的扭转角度均低于对照组，提示二维STI能够准确测量HF患者左室短轴各平面及各节段的扭转角度，敏感评价CHF患者心功能状态。

关键词: 斑点追踪成像技术；心力衰竭；左心室；心肌；扭转运动角度

Abstract:

Abstract:Objective To evaluate the clinical value of speckle tracking imaging（STI）for the measurement of left ventricular short-axis views regional rotation in patients with heart failure （HF）. Methods High frame rate two-dimensional images from the left ventricular short-axis views in 31 patients with CHF(CHF group) and 32 healthy　controls(control group) were recorded. The regional rotation（Rot）was measured in the left ventricular short-axis views;the peak endocardium rotation (endo-rot),peak epicardium rotation (epi-rot),peak bulk rotation(bulk-rot),and peak mural torsion(mural-tor) were measured separately. Results Compared with control group,the regional Rot of each segment in patients with CHF was singnificantly decreased(all P<0.01),the peak endo-rot,peak epi-rot,peak bulk-rot,and peak mural-tor were aslo significantly decreased（all P<0.05） in patients with CHF. The left ventricular torsion of patients with CHF was significantly lower than that in control group（P<0.01）. Conclusion STI can exactly evaluate the characteristics of left ventricular rotation and the heart function in patients with CHF.

Key words: speckle tracking imaging； heart failure； left ventricle;myocardium;regional rotation

中图分类号:

R445

王丽|高东梅|宋军|冯海艳|王迪|倪璐佳|董璠. 斑点追踪成像技术对慢性心力衰竭患者左心室扭转运动角度的测量及其临床意义[J]. J4, 2011, 37(1): 159-162.