The effect of aortic outflow on the quantification of mitral regurgitation by the flow convergence method1

A new method for quantification of regurgitant flow rate using color Doppler flow imaging of the flow convergence region proximal to a discrete orifice. An in vitro study.

1991 • 313 citations

Instrumentation and physical factors related to visualization of stenotic and regurgitant jets by Doppler color flow mapping

1988 • 297 citations

Dynamics of mitral regurgitant flow and orifice area. Physiologic application of the proximal flow convergence method: clinical data and experimental testing.

1994 • 281 citations

Adjacent solid boundaries alter the size of regurgitant jets on Doppler color flow maps

1991 • 154 citations

Doppler color flow mapping of simulated in vitro regurgitant jets: Evaluation of the effects of orifice size and hemodynamic variables

1989 • 148 citations

Impact of finite orifice size on proximal flow convergence. Implications for Doppler quantification of valvular regurgitation.

1992 • 148 citations

Doppler Color Flow Mapping of the Proximal Isovelocity Surface Area: A New Method for Measuring Volume Flow Rate Across a Narrowed Orifice

1991 • 71 citations

Evaluation of mitral regurgitation using a digitally determined color Doppler flow convergence 'centerline' acceleration method. Studies in an animal model with quantified mitral regurgitation.

1994 • 61 citations

Color Doppler Determination of Regurgitant Flow: From Proximal Isovelocity Surface Areas to Proximal Velocity Profiles: An In Vitro Study

1992 • 50 citations

Experimental Studies to Define the Geometry of the Flow Convergence Region: Laser Doppler Particle Tracking and Color Doppler Imaging

1992 • 49 citations

Determination of the most appropriate velocity threshold for applying hemispheric flow convergence equations to calculate flow rate: selected according to the transorifice pressure gradient. Digital computer analysis of the Doppler color flow convergence region.

1993 • 45 citations

Pitfalls in the Display of Color Doppler Jet Areas: Combined Variability Due to Doppler Angle, Frame Rate, and Scanning Direction

1990 • 41 citations

Accuracy of flow convergence estimates of mitral regurgitant flow rates obtained by use of multiple color flow Doppler M-mode aliasing boundaries: An experimental animal study

1993 • 39 citations

The Shape of the Proximal Isovelocity Surface Area Varies With Regurgitant Orifice Size and Distance From Orifice: Computer Simulation and Model Experiments With Color M-Mode Technique

1993 • 38 citations

The proximal flow convergence method for calculating orifice flow rate requires correction for surrounding leaflet geometry

1991 • 33 citations

Assessment of the Accuracy of Color Doppler Flow Mapping By Digital Image Analysis

1994 • 4 citations

Echocardiographic Assessment Of Heart Valve Regurgitant Flow Using The Flow Convergence Method

2005 • 3 citations

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