Evaluation of left ventricular regional function in patients with lesions of left anterior descending coronary artery using three-dimensional longitudinal strain
DING Xiao-ming, ZHENG Zhe-lan
Department of Ultrasonography, the First Affiliated Hospital of College of Medicine, Zhejiang University, Hangzhou 310003, China
摘要目的:探讨三维纵向应变(3DLS)评价左前降支冠状动脉(LAD)病变患者左心室局部功能的可行性。方法:选择经冠状动脉造影(CAG)证实的23例单纯LAD病变患者为LAD组,健康志愿者23例为对照组。经胸于心尖四腔观采集左心室三维全容积动态图像,运用4D Auto LVQ软件进行在线分析,得到左心室17节段收缩期末3DLS,对两组间上述参数进行比较分析。结果:与对照组比较,LAD组LAD供血区域各节段3DLS减低(P均<0.01),邻近区域(4/6)节段3DLS减低(P<0.05),远隔区域各节段3DLS两组间差异无统计学意义(P>0.05)。结论:3DLS能够显示因心肌缺血或梗死所导致的节段性室壁运动异常,可对心肌缺血或梗死的部位、范围进行定位和定量分析。
丁晓明;郑哲岚. 三维纵向应变评价左前降支冠状动脉病变患者左心室局部功能[J]. , 2013, 24(4): 280-282.
DING Xiao-ming;ZHENG Zhe-lan. Evaluation of left ventricular regional function in patients with lesions of left anterior descending coronary artery using three-dimensional longitudinal strain. , 2013, 24(4): 280-282.