定量组织速度成像及实时三平面超声心动图技术评价阵发性房颤患者的左心房结构及功能  

Evaluating the Left Atrial Structure and Function of Patients with Paroxysmal Atrial Fibrillation by Quantitative Tissue Velocity Imaging and Real-time Tri-plane Echocardiography

作　　者：顾韵 薛鸿[2] Gu Yun;Xue Hong(Department of Functional,North District of Chengdu First people's Hospital,Chengdu 610041,China;Department of Cardiac Function,Chengdu First People's Hospital,Chengdu 610041,China)

机构地区：[1]成都市第一人民医院北区功能科,成都610041 [2]成都市第一人民医院心功能科,成都610041

出　　处：《成都医学院学报》2019年第6期786-790,共5页Journal of Chengdu Medical College

摘　　要：目的探讨利用定量组织速度成像(QTVI)及实时三平面超声心动图(RT-3PE)评价阵发性房颤(PAF)患者左心房结构,左房局部及整体心肌功能。方法选取2016年9月至2017年12月在成都市第一人民医院就诊的PAF患者为试验组(n=85),及同期本院体检中心的健康人群为对照组(n=43)。留取受试者常规及三切面(tri-plane)超声心动图,存储动态图像进行脱机分析。结果两组临床及超声检查基线资料比较,差异无统计学意义(P>0.05);PAF组左房前后径(LADIap)、左右径(LADIsi)、上下径(LADIml)及左房最大容积(LAVmax)、左房最小容积(LAVmin)、收缩期前容积指数(LAVpI)均增大,二尖瓣前向血流频谱E/A、肺静脉D峰增大,而二尖瓣前向血流频谱A峰降低、肺静脉S峰、主动脉射血分数(LAAEF)、总射血分数(LATEF)、左房扩张指数(LAexpI)明显减低(P<0.05);PAF组左房壁Vs、Va降低(P<0.05)。结论PFA患者左房内径及容积增大,储蓄功能及辅助泵功能明显减弱,而管道功能目前尚不清楚;PFA患者可能出现局部心肌功能受损。QTVI及RT-3PE技术能够对PAF患者的左房结构,左房局部及整体心肌功能进行无创和定量的评价。Objective To evaluate the left atrial structure and the regional and global myocardial function of left atrium in patients with paroxysmal atrial fibrillation(PAF)by quantitative tissue velocity imaging(QTVI)and real-time tri-plane echocardiography(RT-3 PE).Methods A total of 85 PAF patients treated in Chengdu First People’s Hospital from September of 2016 to December of 2017 were included and the other 43 patients were enrolled into the normal control group.The conventional and tri-plane echocardiography of the subjects were retained and the dynamic images were stored for offline analysis.Results There were no significant differences in the clinical and ultrasound baseline between the two groups(P>0.05).In the PAF group,LADIap,LADIsi,LADIml,LAVmax,LAVmin,LAVpI,E/A and peak D of pulmonary vein were all increased,while peak A of mitral forward flow spectrum,peak S of pulmonary vein,LAAEF,LATEF and LAexpI decreased significantly(P<0.05).Vs and Va of the left atrial wall decreased significantly in the PAF group(P<0.05).Conclusion The left atrial diameter and volume increases and the savings and auxiliary pump function decreases significantly,but the piping function of the pipeline is still unclear in PAF patients.PAF patients may have local myocardial dysfunction.The non-invasive and quantitative assessment of the left atrial structure and the regional and global myocardial function of left atrium in PAF patients can be performed by QTVI and RT-3 PE.

关 键 词：阵发性房颤 左心房容积 左心房功能 

分 类 号：R445.1[医药卫生—影像医学与核医学]