二维斑点追踪定量评价节段性室壁运动的分析  

The quantitative analysis of two-dimensional speckle tracking in segmental wall motion function of left ventricle

作　　者：初志辉[1] 瞿玲谦[1] 纽红音[1] 郭海健[1] 耿海华[1] 

机构地区：[1]南通大学附属医院心脏彩超室,南通226001

出　　处：《南通大学学报（医学版）》2011年第6期472-474,共3页Journal of Nantong University(Medical sciences)

摘　　要：目的:探讨二维斑点追踪成像技术(2D-STI)评价节段性室壁运动方面的价值。方法:冠状动脉造影患者74例,取冠脉造影正常者26例为对照组,冠脉造影证实左冠状动脉狭窄≥75%的心肌缺血患者48例为缺血组,介入治疗后3个月内行斑点追踪检测,分析斑点追踪与节段性室壁运动的关系。结果:缺血组各节段左室最大收缩期应变值较冠脉造影正常对照组显著降低(P<0.05)。冠脉缺血患者介入治疗后左室收缩期应变较术前各节段均有改善,基底段改善相对明显(P<0.05)。结论:斑点追踪与冠脉造影结果吻合良好,可定量评价缺血心肌室壁运动异常程度。Objective：Compared with the results of the coronary angiography,to detect the movement of ischemic myocardium in patients with coronary artery disease（CAD） using ultrasonic two-dimensional speckle tracking.Methods：74 persons underwent coronary angiography,26 persons who had normal coronary angiogram were supposed control group,while 48 persons who with narrowed coronary artery segments ≥75% is ischemic myocardium group.All patients were to analyze longitudinal peak strain.Results：The longitudinal peak strain in narrowed segments reduced more significantly than those in normal segments（P0.05）.There are significantly differences after three months treatment,and the basal segment is more obviously（P0.05）.Conclusion：In assessing ventricular wall motion,two-dimensional speckle tracking is almost agreed with the coronary angiography technique,which could quantitative analyz regional wall movement abnormalities（RWMA）.

关 键 词：二维斑点追踪 室壁运动 纵向应变 

分 类 号：R540.45[医药卫生—心血管疾病]