Determination of regurgitant orifice area with the use of a new three-dimensional flow convergence geometric assumption in functional mitral regurgitation
Y Matsumura, G Saracino, K Sugioka, H Tran… - Journal of the American …, 2008 - Elsevier
Geometry of the proximal isovelocity surface area (PISA) in functional mitral regurgitation
(MR) is elongated, leading to underestimation of the effective regurgitant orifice (ERO) area …
(MR) is elongated, leading to underestimation of the effective regurgitant orifice (ERO) area …
Comparison of orifice area by transthoracic three-dimensional Doppler echocardiography versus proximal isovelocity surface area (PISA) method for assessment of …
K Iwakura, H Ito, S Kawano, A Okamura… - The American journal of …, 2006 - Elsevier
Effective regurgitant orifice area is a useful index of the severity of mitral regurgitation (MR).
The calculation of regurgitant orifice area using the proximal isovelocity surface area (PISA) …
The calculation of regurgitant orifice area using the proximal isovelocity surface area (PISA) …
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 …
Calculation of mitral regurgitant orifice area with use of a simplified proximal convergence method: initial clinical application
M Pu, DL Prior, X Fan, CR Asher, C Vasquez… - Journal of the American …, 2001 - Elsevier
To validate a previously proposed simplified proximal flow convergence method for
calculating mitral regurgitant orifice area (ROA), a prospective study was conducted in …
calculating mitral regurgitant orifice area (ROA), a prospective study was conducted in …
Comparison of direct planimetry of mitral valve regurgitation orifice area by three-dimensional transesophageal echocardiography to effective regurgitant orifice area …
E Altiok, S Hamada, S van Hall, M Hanenberg… - The American journal of …, 2011 - Elsevier
Direct measurement of anatomic regurgitant orifice area (AROA) by 3-dimensional
transesophageal echocardiography was evaluated for analysis of mitral regurgitation (MR) …
transesophageal echocardiography was evaluated for analysis of mitral regurgitation (MR) …
In vitro validation of real-time three-dimensional color Doppler echocardiography for direct measurement of proximal isovelocity surface area in mitral regurgitation
The 2-dimensional (2D) color Doppler (2D-CD) proximal isovelocity surface area (PISA)
method assumes a hemispheric flow convergence zone to estimate transvalvular flow …
method assumes a hemispheric flow convergence zone to estimate transvalvular flow …
Computational analysis of virtual echocardiographic assessment of functional mitral regurgitation for validation of proximal isovelocity surface area methods
Background Mitral regurgitation (MR) quantification by the proximal isovelocity surface area
(PISA) method remains challenging. Using computer models, the authors evaluated the …
(PISA) method remains challenging. Using computer models, the authors evaluated the …
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 …
Quantifying mitral valve regurgitation: new solutions from the 3rd dimension
SH Little - Journal of the American Society of Echocardiography, 2010 - onlinejase.com
Mitral valve regurgitation (MR) is among the most prevalent and most significant valve
problems in the Western world. 1 Yet the accurate quantification of MR remains a significant …
problems in the Western world. 1 Yet the accurate quantification of MR remains a significant …
Proximal flow convergence region as assessed by real-time 3-dimensional echocardiography: challenging the hemispheric assumption
OBJECTIVE: Traditionally, a hemispheric assumption for the proximal flow convergence
region (PFCR) is used when calculating mitral regurgitant (MR) effective orifice area …
region (PFCR) is used when calculating mitral regurgitant (MR) effective orifice area …