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- Methods:The 20 patients with rheumatic mitral stenosis receipted examination of doppler echocardiography.We measure transmitral pressure gradient,mitral valve orifice area and pulmonary flow pattern. 方法:20例风湿性二尖瓣狭窄患者,经多普勒超声心动图检查,测量了二尖瓣口压差、瓣口面积及肺动脉血流频谱参数。
- Comparison study of stenotic mitral valve orifice area measured from real-time three-dimensional echocardiography and surgical specimen 实时三维超声心动图与手术测量二尖瓣狭窄瓣口面积的对照研究
- Initial exploration into measurement of stenotic mitral valve orifice area by real-time three-dimensional echocardiography 实时三维超声心动图测量二尖瓣狭窄瓣口面积的初步探讨
- mitral valve orifice area 二尖瓣口面积
- In PAH group, the mitral valve orifice blood streams, the AV of Doppler spectrum,the velocity-time integra and AV/EV, AVI/EVI were all increased significantly compared with the control group (P<0?01). PAH组与对照组比较;二尖瓣口血流多普勒频谱A峰流速(AV)、速率时间积分(AVI)及肺动脉压与二尖瓣口血流频谱比值(AV/EV);AVI/EVI均逐渐明显增大;差异均有显著意义(P<0.;01);
- Mitral valve orifice 二尖瓣口
- valve orifice area 瓣口面积
- Conclusion Double orifice valve repair is a simple and effective methord in the treatment of mitral valve insufficency. 结论双孔二尖瓣成形术是矫治先天性二尖瓣关闭不全的一种简便而有效的方法。
- aortic valve orifice area 主动脉瓣口面积
- What is heart mitral valve velar prolapse? 什么是心脏二尖瓣膜脱垂?
- regurgitant valve orifice area 瓣口反流面积
- Objective To study the value of mitra l orifice plane determination technique (MOPDT) in measurement of mitral valve are a(MVA) through 2-dimensional echocardiography(2DE). 目的应用二尖瓣口平面确定技术(mitralorificeplanedeterminationtechnique,MOPDT)对二尖瓣口面积(MVA)进行二维超声(2DE)测量,旨在探讨MOPDT在2DE测量MVA中的作用和价值。
- Objectives\ This study was designed to examine whether proximal isovelocity surface area method(PISA) is better than pressure half time method(PHT) in the measurement of mitral mechanical prosthetic orifice area(MPOA). 目的探讨血流汇聚法(pisa法)与压差半降法(PHT法)测量机械二尖瓣口有效开放面积的准确性及可靠性。
- This is chronic rheumatic valvulitis involving the mitral valve. 图示:慢性风湿性心瓣膜病(二尖瓣狭窄)。
- The left ventricle and mitral valves were normal. 左心室形态及结构正常。
- Results There were difference in the mitral valve area、diastolic mitral gradient、the mean left atrial pressure observed before and after PBMV. 结果显示PBMV前后二尖瓣瓣口面积、二尖瓣平均跨瓣压差、左房平均压力差异显著(P<0.;05);
- In left area , the contour and size of the left ventricle and left atrium and the shape and coaptation of the mitral valve could be visualized. 左区能显示整个左室、左房的大小,二尖瓣的形态与对合情况,二尖瓣脱垂者可见叶瓣游离缘处某一区域向左房脱出。
- Results Mitral valve and tricuspid valve prolapse were classed three grades. 结果二、三尖瓣脱垂分为三级。
- They can produce a "ball valve" effect by intermittently occluding the atrioventricular valve orifice. 他们可以产生“球阀”效应,引起房室瓣口间歇性关闭。
- Conclusion: This is a better methodto take MVR for mitral valve incompetence. 结论:此方法是二尖瓣关闭不全行二尖瓣替换术的一种较好方法。