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- Objective To investigate the characteristics of mitral annular motion in nomal subjects using doppler tissue imging(DTI). 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. 方法应用DTI-M型技术检测35例正常人心尖四腔观和二腔观二尖瓣环后瓣叶外侧缘的运动。
- Analysis on Mitral Annular Motion in Normal Subjects with DTI-pulsed Frequency Spectrum Technique 应用DTI脉冲频谱技术对正常人二尖瓣环运动的分析
- Analysis of mitral annular motion in normal subjects using M-mode doppler tissue imaging (DTI) 应用DTI技术M型方式对正常人二尖瓣环运动的分析
- Mitral annular motion velocities measured with DTI should be used to evaluate global left ventricular function 应用DTI技术测定二尖瓣环运动速度可反映冠心病左室整体功能,具有临床应用价值。
- Value of mitral annular velocity by Doppler tissue imaging and mitral annular motion of M-mode ultrasonic cardiography for assessing left ventricular diastolic function 二尖瓣环多普勒组织成像和M型超声检查对左室舒张功能的评价
- Mitral annular motion 二尖瓣环运动
- Dobutamine stress test combining with mitral annular motion velocity of pulsed Doppler tissue imaging in quantitative assessment of myocardial viability in patients with myocardial infarction 多巴酚丁胺负荷试验结合脉冲组织多普勒二尖瓣环运动定量评估心肌梗死患者心肌存活
- They measured the effectie regurgitant orifice and ealuated indices of mitral deformation, including systolic alular tenting and mitral annular contraction. 他们评价了返流时有效的二尖瓣口大小和二尖瓣异形程度，包括收缩期瓣膜的展开及二尖瓣的收缩。
- Ve/Va<1,P<0. 05. MFP in 9 patients display E/A>1,but PW-DTI display Ve/Va<1. Conclusion Mitral annular velocity represent left ventricular whole diastole function. 其中9例患者二尖瓣血流频谱E/A>1;但DTI-PW检测表现为Ve/Va<1。
- Quantification of tricuspid annular motion velocities measured by DTI provides a new method to assess right ventricular function in patients with CAD. DTI技术测定三尖瓣环运动速度可作为评价冠心病右室功能的新方法。
- Conclusion Mitral annular diastolic and systolic velocities parameters measured by DTI can quantitatively be used in assessment of left ventricular function in CAD. 结 论 DTI技术检测二尖瓣环舒张期及收缩期运动速度参数可用于定量无创评价冠心病患者的左心室功能，较传统超声心动图测量左心室的功能更简便、更可靠、更准确。
- Mitral annular diastolic velocities parameters measured by DTI can be used in assessment of left ventricular diastolic function in essential hypertension. DTI技术检测二尖瓣环舒张期运动速度参数可用于无创评价原发性高血压病左室舒张功能。
- Conclusion Quantification of tricuspid annular motion velocities measured by DTI provides a new method to assess right ventricular function in patients with CAD. 结论DTI技术测定三尖瓣环运动速度可作为评价冠心病右室功能的新方法。
- In MI group , TT Score indexes were related with mean systolic peak velocity, time - velocity intergral of different mitral annular sites, left ventricular ejection fraction, ( r = 0. 62, 0. 59, 0.67 ,P<0. 01 ). MI组Tr记分指数与各二尖瓣瓣环的V:、，rV Im护LVEF明显相关(r二0.;62、0
- Methods: Left ventricular ejection fraction(LVEF), mitral inflow peak velocity(E,A), and mitral annular velocity(Sa, Ea, Aa) were measured with DTI PWD in 20 patients with coronary heart disease(CHD) and 20 normal subjects. 方法 :测量 2 0例正常人和 2 0例冠心病患者左室射血分数 (L VEF) ,二尖瓣口舒张期血流频谱 E波、A波和二尖瓣环频谱 Sa波、Ea波、Aa波的峰值速度。
- All patients underwent clinical and laboratory examination, standard echocardiography completed by Doppler tissue imaging of the tricuspid annular motion, and right-sided heart catheterization. 所有患者行临床和实验室检查、标准超声心动图（利用三尖瓣环运动的多普勒组织成像技术）及右侧心导管插入术。
- Methods:Mitral annular early diastole(Ea)and late diastole(Aa)velocities of 30 diabetic patients were measured by DTI and mitral annular inflow velocities E,A were compared with pulse Doppler. 方法 :以 DTI技术检测 30例 DM患者二尖瓣环舒张早期运动速度 (Ea)和舒张晚期运动速度 (Aa) ,并用脉冲多普勒法检测二尖瓣舒张早期血流速度 (E)和舒张晚期血流速度 (A) ,比较两组参数的不同。
- Methods:Mitral annular velocity in early diastole(Ea)and late diastole(Aa)in normal and hypertensive patients by Dopper tissue imaging(DTI)were studied, also mitral inflow velocity E,A in hypertensive patients by Doppler flow imaging were detected. 方法 :以多普勒组织成像技术分析正常人和高血压病患者二尖瓣环的舒张早期运动速度 ( Ea)、舒张晚期运动速度 ( Aa) ,比较两者的不同。 并用血流多普勒法检测二尖瓣口舒张期流速 E,A,分析高血压病患者血流参数的异常。
- Mitral annular movement velocity parameters during diastole measured by DTI can be used to detect LV diastolic dysfunction in patients with CAD and seems to be more sensitive than the conventional echocardiographic diastolic indexes. 舒张功能障碍是检测心肌缺血的敏感指标,应用DTI技术检测二尖瓣环运动速度来评价左室舒张功能,可能较常规超声心动图更为准确。
