目的利用M型超声测定二尖瓣环运动（MAM ）评价左室舒张功能。
Objective To define the role of mitral annulus motion (MAM) for detecting diastolic function in patients with old myocardial infarction.
以TDI方法测定二尖瓣环运动频谱评价心力衰竭儿童左室功能是敏感和可靠的。
Mitral annulus velocity detected by TDI is sensitive and reliable to evaluate left ventricular function in heart failure children.
结论QTVI测量二尖瓣环运动速度能无创、有效地评价心脏双腔起搏左室收缩和舒张功能。
Conclusion Measuring the motion velocities of mitral annulars by QTVI can be used to assess global left ventricular systolic and diastolic function in Dual-chamber Pacing .
目的应用定量组织速度成像（QTVI）测定二尖瓣环运动速度评价尿毒症病患者左室舒张功能。
Objective To assess the left ventricular diastolic function in uremic patients using mitral annulus velocity determined by quantitative tissue velocity imaging(QTVI).
目的应用定量组织速度成像(QTVI)测定二尖瓣环运动速度评价高血压病患者左室舒张功能。
Objective to assess left ventricular diastolic function in essential hypertensive patients using mitral annulus velocity determined by quantitative tissue velocity imaging (QTVI).
目的应用多普勒组织成像技术（DTI）探查正常人二尖瓣环的运动，以阐明二尖瓣环运动的特征。
Methods Mitral annular motion in 35 cases of normal subjects form apicial four chamber view and two chamber view were detected with DTI M mode.
目的：应用定量组织速度成像（QTVI）测量二尖瓣环运动速度评价肥厚型心肌病（HCM ）患者左室舒张功能。
Objective:To assess the left ventricular diastolic function in patients with hypertrophic cardiomyopathy(HCM) using mitral annulus velocity determined by quantitative tissue velocity imaging (QTVI).
目的：应用定量组织速度显像(QTVI)测定二尖瓣环运动速度评价亚临床期糖尿病心肌病患者左室整体收缩和舒张功能。
Objective: to assess global left ventricular systolic and diastolic function in patients with subclinical diabetic cardiomyopathy by quantitative tissue velocity imaging (QTVI).
目的：应用超声定量组织速度显像(QTVI)技术测定二尖瓣环运动速度，评价其是否与左室整体收缩功能指标左室射血分数(L VEF)相关。
Objective: to evaluate if the mitral annular systolic motion velocities measured by Doppler quantitative tissue velocity image (QTVI) correlated with left ventricular ejection fraction (LVEF).
方法通过DTI - M型模式检测33例健康人心尖四腔观和二腔观二尖瓣环后瓣叶外侧缘的运动。
Methods Mitral annular motion in 33 cases of normal subjects form apical four-chamber view and two-chamber view were detected with DTI-M mode.
分别对开胸犬及7例二尖瓣金属瓣置换术后患者利用多普勒组织成像中的速度时间积分曲线对放置钛夹处心肌及二尖瓣环处的长轴运动位移进行定量研究；
Quantitative study was made on time velocity integral(TVI) of the implanted myocardium and left ventricular long axis in 7 canine models, and 7 patients with replaced metal mitral valve.
孤立 性 房颤组只有二尖瓣环组织多普勒运动曲线上的参数与对照组差异有统计学意义（P<0.05）。
There was obvious difference between the patients with so-called lone AF and the normal group only in the tissue Doppler parameters of mitral ring(P<0.05).
记录二尖瓣环侧壁、间隔、前壁和下壁的运动频谱。
The septum, lateral, anterior and inferior walls of the mitral annulus were displayed, and selected for DTI spectral sampling.
记录二尖瓣环侧壁、间隔、前壁和下壁的运动频谱。
The septum, lateral, anterior and inferior walls of the mitral annulus were displayed, and selected for DTI spectral sampling.
应用推荐