彩色多普勒血流会聚法是一种准确的血流全定量方法。
Color Doppler flow convergence is an accurate flow quantitative method.
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.
认为血流会聚法是一种准确、可靠且实用的二尖瓣返流量计算方法。
We conclude that FCM is an accurate, reliable and very useful method for calculating mitral regurgitation stroke volume.
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.
用彩色多普勒血流会聚法对20例动脉导管未闭患者的左向右分流率F进行测定，并根据F值计算出动脉导管的横截面积A。
The left to right shunt rate (f) and the transverse sectional area of ductus arteriosus (a) were calculated by color Doppler flow convergence method in 20 patients with patent ductus arteriosus.
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.
本研究应用彩色多普勒血流会聚新方法评价了对二尖瓣狭窄的定量诊断，并与二维超声、压力降半时间及综合法测量二尖瓣狭窄进行了比较。
The quantification of mitral stenosis by using a new color Doppler flow convergence method was evaluated, and compared with two -dimensional echocardiography, pressure half- time and combined method.
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.
结论在近端血流会聚角为水平型的主动脉瓣反流患者，血流会聚法能够准确地测量ero，是一种简便、实用的定量主动脉瓣反流程度的新方法。
Conclusions FC method for measuring ERO with feasibility in aortic regurgitation with a flat proximal flow convergence Angle, provides a reliable approach to quantify aortic regurgitation.
结论在近端血流会聚角为水平型的主动脉瓣反流患者，血流会聚法能够准确地测量ero，是一种简便、实用的定量主动脉瓣反流程度的新方法。
Conclusions FC method for measuring ERO with feasibility in aortic regurgitation with a flat proximal flow convergence Angle, provides a reliable approach to quantify aortic regurgitation.
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