Evaluation of left ventricular strain by real-time three-dimensional speckle tracking echocardiography in patients with hypertension and myocardial hypertrophy
10.3760/cma.j.issn.1004-4477.2013.01.004
- VernacularTitle:实时三维超声心动图斑点追踪技术测量高血压心肌肥厚患者收缩期左室心肌应变
- Author:
Qiaoying TANG
;
Youbin DENG
;
Runqing HUANG
;
Kun LIU
;
Jie SUN
;
Qi DENG
- Publication Type:Journal Article
- Keywords:
Echocardiography,real-time three-dimensional;
Ventricular function,left;
Hypertension;
Strain
- From:
Chinese Journal of Ultrasonography
2013;(1):12-16
- CountryChina
- Language:Chinese
-
Abstract:
Objective To investigate left ventricular (LV) strain in patients with hypertension (HT)and myocardial hypertrophy using three-dimensional speckle tracking echocardiography.Methods Myocardial movement was analyzed in 37 primary HT patients with myocardial hypertrophy and 27 healthy volunteers.LV longitudinal,circumferential,radial and area strains were measured.The correlation between each global strain parameter and LV ejection fraction (LVEF) was analyzed.Results LV global longitudinal strain(GSL),global radial strain (GSR) and global area strain (GSA) of HT patients with myocardial hypertrophy were significantly lower than the contrast group,whereas global circumferential strain(GSC) showed no significant difference between the two groups.Longitudinal,radial and area strains were decreased in LV basal and middle levels,while decreased circumferential strain was detected only in basal level.There were significant correlations between LVEF and GSL,GSC,GSR,GSA.Conclusions Impairment of LV regional myocardial contractility can be detected by three-dimensional speckle tracking echocardiography.
