Evaluating isovelocity surface area flow convergence method with finite element modeling. (Q54492002)

30 May 2018

title

Evaluating isovelocity surface area flow convergence method with finite element modeling. (English)

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30 May 2018

author name string

DeGroff CG

series ordinal

1

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30 May 2018

Baptista AM

series ordinal

2

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30 May 2018

Sahn DJ

series ordinal

3

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30 May 2018

publication date

1 August 1998

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30 May 2018

Journal of the American Society of Echocardiography

published in

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30 May 2018

volume

11

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30 May 2018

issue

8

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30 May 2018

page(s)

809-818

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30 May 2018

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

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Automated flow rate calculations based on digital analysis of flow convergence proximal to regurgitant orifices

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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 conver

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

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Color Doppler determination of regurgitant flow: from proximal isovelocity surface areas to proximal velocity profiles. An in vitro study.

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Doppler color flow "proximal isovelocity surface area" method for estimating volume flow rate: effects of orifice shape and machine factors

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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

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Nature of flow acceleration into a finite-sized orifice: steady and pulsatile flow studies on the flow convergence region using simultaneous ultrasound Doppler flow mapping and laser Doppler velocimetry

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Three-dimensional reconstruction of color Doppler flow convergence regions and regurgitant jets: an in vitro quantitative study.

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Experimental studies to define the geometry of the flow convergence region. Laser Doppler particle tracking and color Doppler imaging

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Impact of wall constraint on velocity distribution in proximal flow convergence zone. Implications for color Doppler quantification of mitral regurgitation

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

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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

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Dynamic change in mitral regurgitant orifice area: comparison of color doppler echocardiographic and electromagnetic flowmeter-based methods in a chronic animal model

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New method for accurate calculation of regurgitant flow rate based on analysis of Doppler color flow maps of the proximal flow field. Validation in a canine model of mitral regurgitation with initial application in patients.

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Noninvasive estimation of regurgitant flow rate and volume in patients with mitral regurgitation by Doppler color mapping of accelerating flow field

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Quantification of mitral regurgitant volume by the color Doppler proximal isovelocity surface area method: a clinical study.

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Effective mitral regurgitant orifice area: clinical use and pitfalls of the proximal isovelocity surface area method.

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Quantification of mitral regurgitation with the proximal flow convergence method: a clinical study

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Quantification of mitral regurgitation--comparison of the proximal flow convergence method and the jet area method.

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Changes in effective regurgitant orifice throughout systole in patients with mitral valve prolapse. A clinical study using the proximal isovelocity surface area method

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Quantification of mitral flow by Doppler color flow mapping.

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Real-time system for angle-independent US of blood flow in two dimensions: initial results

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Angle independent Doppler color imaging: determination of accuracy and a method of display

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A new control volume method for calculating valvular regurgitation

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Cardiac motion can alter proximal isovelocity surface area calculations of regurgitant flow.

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7 January 2021

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Identifiers

DOI

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30 May 2018

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30 May 2018