Reproducibility of proximal isovelocity surface area, vena contracta, and regurgitant jet area for assessment of mitral regurgitation severity
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 …
isovelocity surface area (PISA) and vena contracta (VC) for differentiating severe from …
Geometry of the proximal isovelocity surface area in mitral regurgitation by 3-dimensional color Doppler echocardiography: difference between functional mitral …
Y Matsumura, S Fukuda, H Tran, NL Greenberg… - American heart …, 2008 - Elsevier
BACKGROUND: The geometry of the proximal isovelocity surface area (PISA) of functional
mitral regurgitation (MR), which is conventionally assumed to be a hemisphere, remains to …
mitral regurgitation (MR), which is conventionally assumed to be a hemisphere, remains to …
Diagnostic value of vena contracta area in the quantification of mitral regurgitation severity by color Doppler 3D echocardiography
X Zeng, RA Levine, L Hua, EL Morris… - Circulation …, 2011 - Am Heart Assoc
Background—Accurate quantification of mitral regurgitation (MR) is important for patient
treatment and prognosis. Three-dimensional echocardiography allows for the direct …
treatment and prognosis. Three-dimensional echocardiography allows for the direct …
Quantitative assessment of mitral regurgitation: how best to do it
P Thavendiranathan, D Phelan, P Collier… - JACC: Cardiovascular …, 2012 - jacc.org
Decisions regarding surgery for mitral regurgitation (MR) are predicated on the accurate
quantification of MR severity. Quantitative parameters, including vena contracta width …
quantification of MR severity. Quantitative parameters, including vena contracta width …
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 …
area (EROA) is an accepted parameter of mitral regurgitation (MR) severity. However …
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) …
mitral regurgitation (MR) can be reproducibly measured by real-time 3-dimensional (3D) …
Effect of dynamic flow rate and orifice area on mitral regurgitant stroke volume quantification using the proximal isovelocity surface area method
T Buck, B Plicht, P Kahlert, IM Schenk, P Hunold… - Journal of the American …, 2008 - jacc.org
Objectives: This study sought to determine the effect of dynamic variations of mitral
regurgitant flow rate (MRFR) and effective regurgitant orifice area (EROA) on mitral …
regurgitant flow rate (MRFR) and effective regurgitant orifice area (EROA) on mitral …
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 …
mitral regurgitation (MR), a simple, accurate, and quantitative marker of MR by color flow …
Direct measurement of proximal isovelocity surface area by single-beat three-dimensional color Doppler echocardiography in mitral regurgitation: a validation study
JA de Agustín, P Marcos-Alberca… - Journal of the American …, 2012 - Elsevier
BACKGROUND: The two-dimensional (2D) proximal isovelocity surface area (PISA) method
has some technical limitations, mainly the geometric assumptions of PISA shape required to …
has some technical limitations, mainly the geometric assumptions of PISA shape required to …
Quantification of chronic functional mitral regurgitation by automated 3-dimensional peak and integrated proximal isovelocity surface area and stroke volume …
P Thavendiranathan, S Liu, S Datta… - Circulation …, 2013 - Am Heart Assoc
Background—The aim of this study was to test the accuracy of an automated 3-dimensional
(3D) proximal isovelocity surface area (PISA)(in vitro and patients) and stroke volume …
(3D) proximal isovelocity surface area (PISA)(in vitro and patients) and stroke volume …