应用多普勒组织成像技术对室壁运动的初步观察  

Preliminary Evaluation of Left Ventricular Wall Motion by Doppler Tissue Imaging

作　　者：黎春蕾[1] 高淑英[1] 张友耿[1] 张青萍[1] 

机构地区：[1]同济医科大学附属同济医院

出　　处：《中国超声医学杂志》1996年第9期8-10,共3页Chinese Journal of Ultrasound in Medicine

摘　　要：应用多普勒组织成像技术对１５例正常人和１０例扩张性心肌病及８例心肌梗塞患者的室壁运动进行了观察。其结果显示：正常组室间隔运动速度测值为Ｅ峰９．８±１．６５ｃｍ／ｓ、Ａ峰６．８±１．３０ｃｍ／ｓ、Ｓ峰６．０±０．７１ｃｍ／ｓ，左室后壁运动速度测值为Ｅ峰１３．０±２．６５ｃｍ／ｓ、Ａ峰７．２±１．０ｃｍ／ｓ、Ｓ峰６．６±０．８９ｃｍ／ｓ；扩张性心肌病组室壁运动速度普遍减低，其测值均低于正常组（Ｐ＜０．０５）；心肌梗塞患者则表现为局限性室壁运动异常和速度减低。证实ＤＴＩ为心肌运动功能和室壁运动异常的判断提供了一项较敏感的检测方法。The method of Doppler tissue imaging(DTI)was used to detect the velocity of left ventricu lar wall motion in 15 normal subjects,10 cases of dilated cardiomyopathy and 8 cases of myocardial infarction.In normal subjects, the values of peak E, peak A and peak S of the left ventricular interventricular septum were 9. 8±1.65cm/s, 6.8±1.30cm /s and 6.0±0.71cm/s respectively,and the values of the above mentioned items of the left ventricular posterior wall were 13.0±2.65cm/s,7. 2±1.0cm/s and 6.6±0.89cm/s respectively.In patients with dilated cardiomyopathy, the velocity of ventricular wall motion was significantly lower than the nor mal subjects (P<0.05). In patients with myocardial infarction,regional wall motion abnormalities and the low ered velocity were observed in infarcted area, This study indicated that DTI is a new sensitive method for the as sessment of ventricular wall motion and myocardial function.

关 键 词：多普勒组织成像 心肌 室壁运动 

分 类 号：R540.45[医药卫生—心血管疾病] R445.1[医药卫生—内科学]