Jacob Ron, Stewart William J
Department of Cardiovascular Medicine, The Cleveland Clinic Foundation, Cleveland, OH 44195, USA.
Curr Cardiol Rep. 2007 Apr;9(2):105-11. doi: 10.1007/BF02938336.
This article reviews the methods of determining the severity of mitral and aortic regurgitation, primarily the quantitation using Doppler echocardiography. The Doppler methods, including spatial mapping, proximal flow convergence, vena contracta, continuous-wave Doppler density, and upstream or downstream effects are explained. Various practical pitfalls and performance issues that impact the reliability of these techniques are discussed.
本文回顾了确定二尖瓣和主动脉瓣反流严重程度的方法，主要是使用多普勒超声心动图进行定量分析。文中解释了包括空间映射、近端血流汇聚、缩流宽度、连续波多普勒密度以及上游或下游效应在内的多普勒方法。讨论了影响这些技术可靠性的各种实际缺陷和性能问题。
