Evaluation of regional left ventricular function in patients with myocardial infarction by speckle tracking imaging
10.3760/cma.j.issn.1004-4477.2009.05.005
- VernacularTitle:斑点追踪显像技术定量评价心肌梗死局部室壁运动异常
- Author:
Sheng LI
;
Taiping WANG
;
Yan XU
;
Xuegong SHI
;
Qihai WANG
;
Chaolong JIN
- Publication Type:Journal Article
- Keywords:
Echocardiography;
Myocardial infarction;
Ventricular function;
Two-dimensional strain imaging
- From:Chinese Journal of Ultrasonography
2009;18(5):378-380
- CountryChina
- Language:Chinese
-
Abstract:
Objective To evaluate the clinical value of speckle tracking imaging in the measurement of two-dimensional strain in patients with myocardial infarction. Methods High frame rate two-dimensional echocardiography were performed in 30 healthy subjects,21patients with anterior myocardial infarction and 15 patients with inferior myocardial infarction. Longitudinal strain (LS), radial velocity (Vs), regional shortening fraction (RFS),radial strain (RS) were measured in the apical two-chamber view and short-axis view(the level of papillary muscle) using two-dimensional strain software. Results Compared with healthy subjects, LS, Vs, RFS, RS decreased in the segments with infarction(P<0.05). LS, Vs, RFS, RS of the two myocardial infarction groups had partly differences(P<0.05). Conclusions Regional wall motion of left ventricle in patients with myocardial infarction can be evaluated accurately with speckle tracking imaging.
