结论DSCT可准确评价二尖瓣病变瓣口面积。
Conclusion DSCT can accurate measure mitral valve orifice area with heart mitral disease.
目的观察三维超声心动图(3de)测定机械瓣瓣口面积的可行性。
Objective To determine the feasibility of three dimensional echocardiography (3de) in assessment of mechanical prosthetic valve areas.
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.
我们认为心房纤颤病程长，PBMV后瓣口面积小和左房回缩差是心房纤颤复发的可能原因。
It was considered that longer atrial fibrillation history, small mitral area and higher left atrial pressure after PBMV were the key factors of atrial fibrillation recurrence.
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。
The mitral valve area (MVA) after percutaneous balloon catheter mitralcommissurotomy (PBMC) was assessed in 36 patients with mitral stenosis.
目的探讨二尖瓣狭窄伴反流的患者用压差减半时间(pht)法测量二尖瓣口面积的应用价值。
Objective To explore the clinical application of pressure half-time (PHT) method on rheumatic mitral stenosis coexisting mitral regurgitation.
结果表明，M型彩色多普勒血流会聚法与二维彩色多普勒血流会聚法在检测二尖瓣狭窄瓣口面积方面基本可靠，但两者的准确性无显著差异。
It was concluded that M-mode and two-dimensional color Doppler flow convergence region could be used to quantificate the area of mitral stenosis accurately.
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.
探讨双侧鼻唇沟轴型带蒂肌皮瓣修复口底大面积缺损后皮瓣生长变化及对供区的影响。
To assess the efficacy of bilateral axial pedicle nasolabial myocutancous flaps which were used to repair the large area of defect in oral floor and the influence of them on donor sites.
探讨双侧鼻唇沟轴型带蒂肌皮瓣修复口底大面积缺损后皮瓣生长变化及对供区的影响。
To assess the efficacy of bilateral axial pedicle nasolabial myocutancous flaps which were used to repair the large area of defect in oral floor and the influence of them on donor sites.
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