Pupose To study the influence of left atrial diameter, area of mitral orifice and mitral regurgitation on thrombosis in left atrium.
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。
Objective: To evaluate the clinical effect of the double-orifice technique in the treatment of the anterior leaflet prolapse of mitral valve.
目的进一步探讨双孔成形技术治疗二尖瓣前叶脱垂的临床可行性。
Conclusion DSCT can accurate measure mitral valve orifice area with heart mitral disease.
结论DSCT可准确评价二尖瓣病变瓣口面积。
RESULTS: the reverse flow were detected at the mitral valve orifice of left atrium, at the opposite of which in left atrium the front flow were also detected.
结果：在观察到二尖瓣口左房侧负向血流的同时，在其左房的相对面可测到前向性血流。
Conclusions Double orifice technique is a simplified and effective method to correct mitral insufficiency.
结论双孔二尖瓣技术是矫治二尖瓣关闭不全的一种简便而有效的方法。
Objective To discuss the clinical value of color Doppler echocardiography in diagnosing double-orifice mitral valve (DOMV).
目的通过总结分析先天性双孔二尖瓣畸形（DOMV）的超声表现，探讨彩色多普勒超声心动图的诊断价值。
Mitral insufficient grades were determined by the effective regurgitant orifice area measured with spectral Doppler.
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。
Methods: 35 patients with severe anterior leaflet prolapse of mitral valve underwent valve repair using the double-orifice technique.
方法对35例二尖瓣前叶脱垂的病人行双孔成形手术，并在术前、术中、术后利用超声心动图对瓣膜进行评价。
Color m mode Doppler echocardiography studies were obtained from mitral valve orifice toward the apex: the rate of flow propagation velocity (FPV) from apical 4 chamber views.
将m型取样线置于二尖瓣口左室流入道至心尖获取彩色左室舒张期血流传播图测量fpv。
Color m mode Doppler echocardiography studies were obtained from mitral valve orifice toward the apex: the rate of flow propagation velocity (FPV) from apical 4 chamber views.
将m型取样线置于二尖瓣口左室流入道至心尖获取彩色左室舒张期血流传播图测量fpv。
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