Comparison of three-dimensional proximal isovelocity surface area to cardiac magnetic resonance imaging for quantifying mitral regurgitation
N Brugger, K Wustmann, M Hürzeler, A Wahl… - The American journal of …, 2015 - Elsevier
The aim of our study was to evaluate 3-dimensional (3D) color Doppler proximal isovelocity
surface area (PISA) as a tool for quantitative assessment of mitral regurgitation (MR) against …
surface area (PISA) as a tool for quantitative assessment of mitral regurgitation (MR) against …
Is it really getting easier to assess mitral regurgitation using the proximal isovelocity surface area?
SH Little - Journal of the American Society of Echocardiography, 2012 - onlinejase.com
Despite a small army of quantitative metrics, the accurate and reproducible assessment of
mitral regurgitation (MR) severity can be a challenge for any echocardiographer. The …
mitral regurgitation (MR) severity can be a challenge for any echocardiographer. The …
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 …
In vitro validation of real-time three-dimensional color Doppler echocardiography for direct measurement of proximal isovelocity surface area in mitral regurgitation
SH Little, SR Igo, B Pirat, M McCulloch… - The American journal of …, 2007 - Elsevier
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 …
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 …
In vitro quantification of mitral regurgitation of complex geometry by the modified proximal isovelocity surface area method
C Papolla, J Adda, A Rique, G Habib, R Rieu - Journal of the American …, 2020 - Elsevier
Background Doppler echocardiographic methods, such as the proximal isovelocity surface
area (PISA) method, are used to quantify mitral regurgitations (MRs). However, their …
area (PISA) method, are used to quantify mitral regurgitations (MRs). However, their …
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 by 3-dimensional proximal flow convergence using magnetic resonance imaging: comparison with echo-Doppler
L Gorodisky, Y Agmon, M Porat, S Abadi… - The International Journal …, 2018 - Springer
To test the feasibility of assessing mitral regurgitation (MR) severity using cardiac magnetic
resonance (CMR) 4D velocity vectors to quantify regurgitant volume (RVol) by analysis of …
resonance (CMR) 4D velocity vectors to quantify regurgitant volume (RVol) by analysis of …
Computational analysis of virtual echocardiographic assessment of functional mitral regurgitation for validation of proximal isovelocity surface area methods
T Qin, A Caballero, RT Hahn, R McKay… - Journal of the American …, 2021 - Elsevier
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 …
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 …