目的探讨功能性二尖瓣返流的机制。
Objective To investigate the mechanism of functional mitral regurgitation.
目的探讨功能性二尖瓣返流的机制。
Objective To investigate the mechanism of functional mitral regurgitation (FMR).
二尖瓣返流是心脏疾病最主要的发病之一。
Mitral regurgitation is one of the most serious heart diseases.
二尖瓣返流连续多普勒频谱为2束返流共同形成的叠加频谱；
The frequency spectrum of continuous wave Doppler composed of two merged regurgitant jets.
手术前、后应用彩色多普勒超声心动图观察二尖瓣返流的情况。
Mitral valve regurgitation were evaluated with the color Doppler echocardiography before and after operation.
用血流会聚新方法及射流参数对二尖瓣返流定量的价值进行了研究。
The value of flow convergence and jet parameters in quantification of mitral regurgitation was estimated.
目的：探讨彩色多普勒过返流口宽度在估测二尖瓣返流程度中的作用。
Objective: To explore the roles of color Doppler vena contracta in the evaluation of mitral regurgitation grading.
目的：探讨二尖瓣返流对扩张型心肌病（DCM）患者左室充盈的影响。
Objective:To explore the impact on left ventricular filling pattern which decided by the extent of mitral reflow in dilated cardiomyopathy(DCM) individuals.
目的研究左房内径、二尖瓣口面积、二尖瓣返流对左房血栓形成的影响。
Pupose To study the influence of left atrial diameter, area of mitral orifice and mitral regurgitation on thrombosis in left atrium.
目的探讨小儿室间隔缺损（VSD）并二尖瓣返流（MR）的病因及预后。
Objective To explore the causes and prognosis of interventricular septum defect (VSD) with complicated mitral re-gurgitation (MR) in children.
目的探讨连续波多普勒超声在评估二尖瓣返流患者的肺动脉楔压中的作用。
To confirm the utility of continuous wave Doppler echocardiography in assessing pulmonary artery wedge pressure in patients with mitral regurgitation.
目的探讨异常PR间期对舒张期和收缩期二尖瓣返流的影响及对左心室充盈的影响。
Objective To study the influence of abnormal PR interval on mitral regurgitation and left ventricular filling.
任何二尖瓣返流应该都有超声心动图测量心脏瓣膜返流的形状，以及对左心室功能的影响。
Anyone with mitral regurgitation should have a baseline echocardiogram to measure the amount of regurgitation as well as the shape and function of the left ventricle.
IS CM组的二尖瓣返流程度明显重于omi组，其他瓣膜的返流情况也是IS CM组严重。
Mitral and other valvular regurgitation were significantly more severe in group ISCM than group OMI.
服用麦角洐生物的患者其二尖瓣幕状区的均值显著增加，且和二尖瓣返流的严重程度成线性关系。
The mean mitral tenting area was significantly greater in ergot-treated patients and showed a linear relationship with the severity of mitral regurgitation.
结论任何引起二尖瓣器质损害的疾病都能导致二尖瓣返流，主动脉瓣返流原因主要为瓣膜退行性变。
Conclusion Any disease which arose the mitral structure harm will lead to the mitral regurgitation. The main pathogeny of aortic regurgitation I...
观察30例显示血流会聚区（FCR）的偏心性二尖瓣返流患者的返流束形态，发现均为附壁细长束。
The shape of regurgitant jets in 30 patients with eccentric mitral regurgitation showing now convergence region (FCR) was observed.
目的研究急性心肌梗死（AMI）患者合并二尖瓣返流（MR）与心力衰竭等严重并发症和死亡率的相关性。
Objective To study the relationship of mitral regurgitation (MR) with cardiac events such as heart failure and cardiac death in acute myocardial infarction (AMI) patients.
目前是在二尖瓣脱垂患者的瓣叶上放置夹合器(clip)，可以减少二尖瓣返流，无需对患者进行手术治疗。
They are now taking patients with mitral valve prolapse and putting a clip on the leaflet so that you can reduce the mitral regurgitation without having to send the patient to surgery.
结果主动脉瓣返流中主动脉瓣钙化占第一位（56.9%），二尖瓣返流中二尖瓣结构正常者占第一位（63.0%）。
Results The aortic valve calcification was the first position in aortic regurgitation(56.9%). Mitral structure normalcy was the first position in mitral regurgitation(63.0%).
结果发现：33／52（63％）例生理性二尖瓣返流和87／87（100％）例病理性二尖瓣返流可于二尖瓣左室面显示血流会聚区；
Flow convergence region, which was located in the left ventricular sides of mitral valve, was displayed in 63%(33/52)of physiological MR and 100%(87/87) of pathological MR.
中度返流仅见于肺动脉瓣、尖瓣和二尖瓣。
Moderate regurgitation was detected in pulmonic, tricuspid and mitral valves.
二尖瓣关闭不全程度用频谱多普勒测定的有效返流口面积确定。
Mitral insufficient grades were determined by the effective regurgitant orifice area measured with spectral Doppler.
二尖瓣晚期返流情况和左心室功能也被评价。
Late follow-up of mitral regurgitation and left ventricular function were also assessed.
二尖瓣晚期返流情况和左心室功能也被评价。
Late follow-up of mitral regurgitation and left ventricular function were also assessed.
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