二尖瓣环收缩期峰值速度评价冠心病左室收缩功能的临床分析  

Evaluation of Left Ventricular Systolic Function with Mitral Annulus Motion Velocity:A Clinical Study

作　　者：刘海峰[1] 蒋煜文[1] 白文伟[2] 光雪峰[2] 

机构地区：[1]广东省佛山市顺德第一人民医院ICU,广东佛山市528300 [2]昆明医学院第二附属医院心内科,云南昆明市650101

出　　处：《中国康复理论与实践》2008年第9期854-856,共3页Chinese Journal of Rehabilitation Theory and Practice

摘　　要：目的分析脉冲多普勒组织成像技术（PW-DTI）所测二尖瓣环收缩期平均位移峰值速度（Sa）作为评价冠心病左心室收缩功能指标的临床价值。方法52例冠心病患者分为经皮冠状动脉介入术（PCI）组33例和未行PCI组19例,PCI组于PCI术前5 d及术后5 d、3个月、6个月随访,非PCI组于冠状动脉造影术后2 d及术后6个月随访;均行PW-DTI及常规超声检查,观察Sa的变化情况。PCI组据射血分数（EF）分成两个亚组：EF≥50%亚组和EF 30%～50%亚组;亚组间进行术前、术后比较;分别分析不同心脏功能患者Sa的变化情况。结果6个月后,PCI组平均Sa明显增高（P〈0.001）。平均Sa与EF存在相关性（术前r=0.705,术后r=0.770,均P〈0.0001）。结论Sa可作为评价冠心病左室收缩功能的指标。Objective To investigate left ventricular systolic function with mitral annulus motion velocity （Sa） with pulsed-wave Doppler tissue imaging （PW-DTI） in patients with coronary arteriosclerosis disease （CAD） after percutaneous coronary intervention （PCI）. Methods 52 patients with CAD, who were determined by coronary artery angiography, were divided into two groups, PCI group （n= 33） and non-PCI group（n=19）. They were followed up with PW-DTI and conventional echocardiography before and 5 d, 3 months and 6 months after intervention in PCI ones, before and 6 months after angiography in non-PCI ones. In PCI group, the patients were divided two subgroups： EF≥500% and EF= 30 %-50% Results The Sa improved significantly in PCI group 6 months after intervention （P〈0. 001）. EF correlated with Sa （r= 0. 705, r= 0. 770 pre- and post-intervention respectively, P〈0. 0001）. Conclusion Sa can be used to evaluate left ventricular systolic function of CAD patients.

关 键 词：多普勒组织成像(DTI) 二尖瓣环收缩期峰值速度(Sa) 经皮冠状动脉介入术(PCI) 左室收缩功能 

分 类 号：R541.4[医药卫生—心血管疾病]