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.
目的探讨二尖瓣环时相评估左室舒张功能的临床意义。
Objective to investigate the clinical value of phase analysis by mitral annular movement in assessment of left ventricular diastolic function.
二尖瓣环；
结论：测量二尖瓣环下行速度可作为一个评价左室收缩功能的新指标。
Conclusion: the mitral annular descent velocity can be used as a new index to evaluate the LV systolic function in mi.
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.
目的探讨实时三维超声心动图(RT - 3de)研究二尖瓣环立体形态的方法和可行性。
Objective To investigate The method and feasibility of analysing mitral annulus geometry via real-time three-dimensional echocardiography (RT-3DE).
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。
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.
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).
目的通过组织速度图舒张时间、肺静脉频谱及二尖瓣环E/A比值评价冠心病患者左室舒张功能。
Objective To evaluate the clinical value of tissue Doppler imaging(TDI) and pulmonary venous flow spectrum in the assessment of left ventricular diastolic function by E/A ratio.
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.
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.
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).
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).
患者较正常对照组心脏二尖瓣环、三尖瓣环下移距离显著减小（P<0.01），二尖瓣E波最大流速显著增大（P<0.01）；
The SD of mitral and tricuspid annuli were more lower than control group (P<0.01), and E velocity of mitral flow is higher (P<0.01) .
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).
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.
目的：评价全软成形环在二尖瓣关闭不全瓣环成形术中的作用。
Aim: To assess the effect of the totally flexible prosthetic ring in mitral and tricuspid annuloplasty.
目的：分析孤立性二尖瓣瓣上狭窄环的影像学特征。
Purpose: To analyse the imaging manifestations of isolated supramitral ring.
目的总结二尖瓣后环缝缩治疗二尖瓣关闭不全(MI)的临床经验。
Objective to summarize the experience in treating mitral insufficiency (mi), due to secondary annular dilation in the posterior portion of the annulus with mitral valve reconstruction.
结论二尖瓣置换术后远期三尖瓣功能性关闭不全与三尖瓣环扩大、右心功能损害和严重肺动脉高压有关，三尖瓣环扩大是其重要的原因。
Conclusion tricuspid annular dilatation, right heart impairment and severe pulmonary hypertension are responsible for the development of late tricuspid regurgitation after mitral valve replacement.
目的探讨二尖瓣口血流频谱和瓣环的组织多普勒频谱与左室平均舒张压的关系。
Objective To determine the relationship between left atrial diameter and mitral valve area or left atrial mean pressure in patients with rheumatic pure mitral stenosis.
结论对于有瓣环扩大的二尖瓣成形术，应用人工瓣环，近期和远期临床效果均满意。
Conclusion The late efficacy of mitral annuloplasty using prosthetic ring is satisfactory.
结论对于有瓣环扩大的二尖瓣成形术，应用人工瓣环，近期和远期临床效果均满意。
Conclusion The late efficacy of mitral annuloplasty using prosthetic ring is satisfactory.
应用推荐