Assessment of mitral regurgitation severity by Doppler color flow mapping of the vena contracta

SA Hall, ME Brickner, DWL Willett, WN Irani, I Afridi… - Circulation, 1997 - Am Heart Assoc
Background Although Doppler color flow mapping is widely used to assess the severity of
mitral regurgitation (MR), a simple, accurate, and quantitative marker of MR by color flow …

Comparison of vena contracta width by multiplane transesophageal echocardiography with quantitative Doppler assessment of mitral regurgitation

SK Heinle, SA Hall, ME Brickner, DWL Willett… - The American journal of …, 1998 - Elsevier
Mitral regurgitation (MR) severity is routinely assessed by Doppler color flow mapping,
which is subject to technical and hemodynamic variables. Vena contracta width may be less …

Three-dimensional color Doppler echocardiography for direct measurement of vena contracta area in mitral regurgitation: in vitro validation and clinical experience

SH Little, B Pirat, R Kumar, SR Igo, M McCulloch… - JACC: Cardiovascular …, 2008 - jacc.org
Objectives: Our goal was to prospectively compare the accuracy of real-time three-
dimensional (3D) color Doppler vena contracta (VC) area and two-dimensional (2D) VC …

Multiplane transesophageal echocardiographic assessment of mitral regurgitation by Doppler color flow mapping of the vena contracta

PA Grayburn, W Fehske, H Omran, ME Brickner… - The American journal of …, 1994 - Elsevier
Assessment of the severity of mitral regurgitation (MR) by Doppler color flow mapping is
limited by dependence of jet area on hemodynamic and technical variables. The width of the …

Overestimation of severity of ischemic/functional mitral regurgitation by color Doppler jet area

RB McCully, M Enriquez-Sarano, AJ Tajik… - The American journal of …, 1994 - Elsevier
Color Doppler jet analysis is widely used to characterize the degree of mitral regurgitation
(MR), but the validity of this approach in patients with ischemic or functional MR has not …

Color-coded Doppler imaging of the vena contracta as a basis for quantification of pure mitral regurgitation

W Fehske, H Omran, M Manz, J Köhler… - The American journal of …, 1994 - Elsevier
The narrowest central flow region of a jet is defined as the vena contracta. This term is
applied also to the contracted zone of the Doppler color flow image of a jet at its passage …

Direct measurement of vena contracta area by real-time 3-dimensional echocardiography for assessing severity of mitral regurgitation

C Yosefy, J Hung, S Chua, M Vaturi, TT Ton-Nu… - The American journal of …, 2009 - Elsevier
We tested the hypothesis that the vena contracta (VC) cross-sectional area in patients with
mitral regurgitation (MR) can be reproducibly measured by real-time 3-dimensional (3D) …

[HTML][HTML] Color flow imaging compared with quantitative Doppler assessment of severity of mitral regurgitation: influence of eccentricity of jet and mechanism of …

M Enriquez-Sarano, AJ Tajik, KR Bailey… - Journal of the American …, 1993 - Elsevier
Objectives. To determine the influence of jet eccentricity and mechanism of mitral
regurgitation, we examined 1) the relation between jet extent and severity of mitral …

Direct assessment of size and shape of noncircular vena contracta area in functional versus organic mitral regurgitation using real-time three-dimensional …

P Kahlert, B Plicht, IM Schenk, RA Janosi… - Journal of the American …, 2008 - Elsevier
BACKGROUND: Vena contracta width (VCW) as an estimate of effective regurgitant orifice
area (EROA) is an accepted parameter of mitral regurgitation (MR) severity. However …

Reproducibility of proximal isovelocity surface area, vena contracta, and regurgitant jet area for assessment of mitral regurgitation severity

S Biner, A Rafique, F Rafii, K Tolstrup, O Noorani… - JACC: Cardiovascular …, 2010 - jacc.org
Objectives: The aim of this study was to evaluate the interobserver agreement of proximal
isovelocity surface area (PISA) and vena contracta (VC) for differentiating severe from …