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- mitral annulus calcification 二尖瓣环形钙化
- Measurements of systolic velocities of mitral annulus by DTI can be used in assessment of GLVSF in CAD. DTI技术检测二尖瓣环收缩期运动速度可用于无创评价冠心病左室整体收缩功能。
- The peak systolic velocity at mitral annulus in HCM patients was compared with that of normal group. 结果:肥厚型心肌病患者与正常组二尖瓣环收缩期峰值速度有显著性差异,均较正常组减低。
- The mean Vs (MVs) and mean Ve/Va(MVe/Va) of the mitral annulus were compared with LVEF and E/A ratio respectively. 用二尖瓣环水平各节段心肌在收缩期峰值速度的平均值（MVs）与LVEF、平均Ve/Va（MVe/Va）与E/A分别作直线相关分析。
- Objective:To evaluate the value of e/a ratio of mitral annulus for assessing diastolic function. 目的:探讨二尖瓣环舒张早期与心房收缩期峰值运动速度e/a比率评价左室舒张功能的价值。
- The systolic peak velocity(Vs) and the systolic peak displacement(D) in 6 mitral annulus sites were measured with QTVI and TT. 应用QTVI及TT获得左心室侧壁、后间隔、前壁、下壁、前间隔、后壁二尖瓣环处的收缩期峰值速度(Vs)、收缩期最大位移(D),6个室壁的平均Vs(AVs)、平均D(AD)。
- Multiple linear regression showed that the relevant variables (including FBG, Chol, HbA1c) made independent effect to the MVe of the mitral annulus. 多元逐步回归分析表明糖尿病的FBG、Chol、HbA1c水平是MVe的独立影响因子。
- In a subset of patients (n = 17) whose LVEFs improved, the reversal of remodeling (decrease in sphericity index) was associated with a decrease in MR and mitral annulus size. 在LVEF改善的17例患者中，左室重构逆转（球形指数下降）与MR程度减轻和二尖瓣环缩小相关。
- Objective Lateral wall velocity of mitral annulus and in infarctive region on patients with myocardial infarction were determined with Doppler tissue imaging(DTI), to study the available value of DTI on myocardial infarction. 目的 运用多普勒组织成像 (DTI)技术 ,对心肌梗死患者梗死区域、二尖瓣环处的运动速度进行检测 ,探讨DTI技术在心肌梗死中的应用价值。
- Objectives:To investigate Doppler tissue imaging(DTI)application in assessing global left ventricular diastolic function(GLVDF)in coronary artery disease(CAD)by measuring diastole velocities in mitral annulus. 目的 :探讨应用多普勒组织成像 ( DTI)检测二尖瓣环舒张期运动速度评估冠心病左室整体舒张功能的应用价值。 方法 :应用 DTI技术 ,对 5 4例临床确诊 (其中 30例经冠脉造影证实 )的冠心病患者和 30例正常对照者舒张期二尖瓣环运动速度进行测定 ,并与常规多普勒超声心动图检查结果对照分析。
- METHODS: In 54 CAD patients (30 of them were confirmed by coronary angiography) systolic velocities of mitral annulus were measured, correlation between DTI and 2D echocardiography findings was also analyzed. 方法 :应用 DTI技术 ,对 5 4例临床确诊 (其中 30例经冠脉造影证实 )的冠心病患者收缩期二尖瓣环峰值运动速度 (Sa)进行测定 ,并与二维超声心动图 (2 DE)检查结果对照分析。
- The 6-site average velocities of mitral annulus measured by TVI can quantitatively assess the global systolic and diastolic function of left ventricle and has a good correlation between the TVI and conventional echocardiography. 应用TVI技术测量二尖瓣环6个节段的平均运动速度可定量评价左室整体收缩和舒张功能。 该方法与传统超声心动图测量左室功能有良好相关性。
- Methods The early and late diastolic peak velocity of the mitral annulus(Em and Am)and the ratio(Em/Am)were measured by Doppler tissue imaging(DTI)and compared before and after 3 months treatment with oral valsartan. 方法应用多普勒组织成像(DTI)技术测定二尖瓣环舒张早、晚期峰值运动速度(Em和Am)及其比值(Em/Am),比较向心性重构型原发性高血压左室整体舒张功能减退患者口服缬沙坦3个月前后Em、Am以及Em/Am的变化。
- Methods The peak velocities of mitral annulus in 56 patients with essential hypertension and 50 normal controls were measured,and the correlation between DTI and conventional echocardiography measurements was analyzed. 方法 应用DTI技术 ,对 5 6例原发性高血压病患者和 5 0例正常对照者二尖瓣环运动速度进行测定 ,并与常规多普勒超声心动图检查结果对照分析。
- Methods Transmitral flow velocity, pulmonary vien spectra and mitral annulus tissue velocity imaging (TVI) were measured by transthoracic echocardiography in the selected subjects. 方法对人选病人行常规检查,同时进行二尖瓣血流频谱、肺静脉血流频谱及二尖瓣环组织多普勒检查,对比临床标准与舒张功能障碍标准对冠心病的诊断率。
- Objective To probe the value of mitral annulus peak systolic flow velocity and systolic displacement in evaluating left ventricular systolic function of dilated cardiomyopathy patients. 目的探讨二尖瓣环收缩期峰值速度及收缩期位移评价扩张型心肌病患者左室收缩功能的价值。
- Materials and Methods: The peak systolic velocity at mitral annulus (Sa) was measured by DTI pulsed wave mode using the apical window at 4 chamber, 2 chamber and long apical views. 材料和方法:对肥厚型心肌病及正常人分别测量二尖瓣环各点收缩期峰值速度。
- mitral annulus motion velocity(Sa) 二尖瓣环收缩期峰值速度（Sa）
- The motions of LV walls and mitral annuli in 19 patients with myocardial infarction were observed by DTI spectra and tissue velocity imaging (TVI) curves. The velocity waves of DTI spectra and TVI curves were recognized in combination with ECG. 观察19例心肌梗死患者 ,记录左室壁及二尖瓣环DTI频谱和组织速度图 (TVI) ,结合心电图辨认各速度波。
- Character and significance of mitral annulus motion in patients with kawasaki disease 川崎病患儿二尖瓣环运动特征及临床意义
