mitral valve stenosis

1. Objective To assess the immediate and long-term results of percutaneous balloon mitral valvuloplasty ( PBMV) for treating rheumatic mitral valve stenosis.
   目的了解经皮球囊二尖瓣成形术治疗风湿性心脏病二尖瓣狭窄的疗效。
2. Objective To evaluate the accuracy of proximal isovelocity surface area method ( PISA)、 proximal segment surface area method ( PSSA)、 two dimensional echocardiography ( 2DE)、 pressure half time method ( PHT) in measuring the mitral valve area ( MVA) in mitral stenosis.
   目的探讨近端等速表面积法（PISA）和近端球缺表面积法（PSSA）测量二尖瓣狭窄（MS）瓣口面积（MVA）的准确性。
3. Methods: Twenty six patients underwent mitral valve replacement in our hospital were studied, among them 22 with mitral stenosis underwent mitral valve replacement with partial subvalvular structure preservation and the rest with mitral insufficiency underwent mitral valve replacement with entire subvalvular structure preservation.
   方法：总结了保留瓣下结构的二尖瓣替换术26例，其中部分保留22例为二尖瓣狭窄，完全保留4例为二尖瓣关闭不全。
4. Study of the Relationship between P-selectin and Rheumatic Mitral Stenosis Blood flow dynamic changes after mitral valve replacement operation in patients with mitral valve stenosis by color Doppler echocardiography
   P选择素和风湿性心脏瓣膜病二尖瓣狭窄相关性研究超声心动图对二尖瓣狭窄瓣膜置换术后血流动力学改变的研究
5. Results Mean systolic velocities at 6 sites of mitral valve annulus ( Sa) in single branch stenosis group were similar to those of normal group before and during DSE, while Sa rose up after DBA injection.
   结果收缩期二尖瓣环6个位点平均速度（Sa）正常组及单支病变组注药后升高显著，多支病变组注药后升高不显著。
6. Calculation of mitral valve area in mitral stenosis using the proximal isovelocity surface area method
   近端等速表面积法测量二尖瓣狭窄瓣口面积的研究
7. The objective of this study was to establish a quantitative measurement of flow field uniformity of mitral valve in vivo. The flow field uniformity downstream of mitral valve in normal persons and patients with mitral stenosis were studied using advanced color Doppler flow imaging technique.
   为了建立体内天然二尖瓣流场均匀性的多普勒超声定量检测方法，采用先进的彩色多普勒血流图像技术对正常人及二尖瓣狭窄患者二尖瓣下游流场均匀性进行对比研究。
8. Evaluate the influence of left atrium reduction on left ventricular function in patients with mitral valve stenosis underwent mitral valve replacement by echocardiography
   超声心动图评价左房减容对二尖瓣狭窄术后左心功能的影响
9. Conclusions: Cn has an important impact on the accuracy of estimation of mitral valve effective area by PHT in patients with mitral stenosis.
   结论在二尖瓣狭窄患者中，Cn对PHT法估测二尖瓣口面积的准确性有重要影响。
10. Conclusion: Mitral valve stenosis, cardiac dilation and pulmonary hypertension were the significant risk factors and predictors for rheumatic mitral and aortic valve diseases with secondary TR.
    结论：二尖瓣狭窄、心脏增大程度和肺动脉高压是风湿性二尖瓣病变继发三尖瓣功能性返流的主要相关因素和预测因子。
11. The mitral valve area ( MVA) after percutaneous balloon catheter mitralcommissurotomy ( PBMC) was assessed in36 patients with mitral stenosis.
    观察36例经皮球囊导管二尖瓣分离术治疗的二尖瓣狭窄患者，发现其术后瓣口面积的大小。
12. Conclusions PBMV is an effective treatment for rheumatic mitral valve stenosis.
    结论PBMV是治疗风湿性二尖瓣狭窄的有效方法。
13. In32 patients with mitral valve ( MV) stenosis, 4D's mitral valve area ( MVA) were made linear correlation analysis with TTE's MVA through "pressure half time"( PHT).
    对二尖瓣狭窄病变者将4D状态下的瓣口面积（MVA）测值与TTE状态下压力半降时间法（PHT）瓣口面积测值作直线相关分析。
14. A follow up study of mitral valve stenosis with moderate regurgitation treated by percutaneous balloon mitral valvuloplasty in 42 cases
    二尖瓣狭窄并中度反流的经皮二尖瓣球囊扩张术42例及随访观察
15. Assessment of Mitral Valve Area in Patients with Mitral Stenosis by Doppler Pressure Half-Time Method
    多普勒超声压差半降时间测量二尖瓣狭窄瓣口面积的价值
16. Conclusion The pathological shortening of mitral valve and sub-valvular apparatus caused by long-term rheumatic disease is the main cause of decreased left ventricular volume in mitral stenosis.
    结论长期风湿性病变引起的二尖瓣膜和瓣下结构的病理性挛缩是二尖瓣狭窄左心室容量减小的主要原因。
17. Blood flow dynamic changes after mitral valve replacement operation in patients with mitral valve stenosis by color Doppler echocardiography
    超声心动图对二尖瓣狭窄瓣膜置换术后血流动力学改变的研究
18. Objective The aim of this study was to assess mitral valve area and cardiac reserve in patients with mitral stenosis after successful and uncomplicated percutaneous balloon valvuloplasty by isoproterenol stress echocardiography.
    目的对24例二尖瓣狭窄患者行球囊扩张术前后作异丙肾上腺素超声心动负荷试验，拟进一步评价经皮穿刺二尖瓣球囊扩张术的疗效。
19. Objective Evaluation on short-term and long-term clinical results after percutaneous balloon mitral valvuloplasty ( PBMV) in patients with mitral valve stenosis ( MS) and mild mitral valve regurgitation ( MR).
    目的：探讨伴轻度反流（MR）的二尖瓣狭窄（MS）患者经皮二尖瓣球囊扩张术（PBMV）术后及长期疗效。
20. Preservation of the entire mitral subvalvular apparatus during mitral valve replacement in patients with mitral stenosis
    钮扣状转移保留二尖瓣全装置瓣膜置换的初步探讨
21. The mitral valve area ( MVA) was measured by three dimensional echocardiography ( 3DE) in 27 patients with mitral valve stenosis ( MS) before operation.
    应用超声心动图三维重建技术，对27例二尖瓣狭窄患者进行了手术前检查，测量二尖瓣口的面积MVA（3DE）（cm2），与外科手术实测的二尖瓣口面积MVA（op）。
22. The results showed that 4D echocardiographic reconstruction of mitral stenosis could more directly demonstrate the morphology of mitral valve, completely evaluate severity of the disorders in mitral stenosis.
    结果表明，二尖瓣的四维重建能更直观地显示瓣膜的解剖结构，综合评估狭窄二尖瓣的病变程度。

noun

1. obstruction or narrowing of the mitral valve (as by scarring from rheumatic fever)

   Synonym:    mitral stenosis