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 …

Assessment of aortic regurgitation by transesophageal color Doppler imaging of the vena contracta: validation against an intraoperative aortic flow probe

DWL Willett, SA Hall, ME Jessen, MA Wait… - Journal of the American …, 2001 - jacc.org
OBJECTIVES This study was performed to validate the accuracy of color flow vena contracta
(VC) measurements of aortic regurgitation (AR) severity by comparing them to simultaneous …

Comparison of quantitative and semiquantitative methods for assessing mitral regurgitation by transesophageal echocardiography

M Pu, JD Thomas, PM Vandervoort, WJ Stewart… - The American journal of …, 2001 - Elsevier
Semiquantitative grading of mitral regurgitation (MR) by transesophageal echocardiography
(TEE) is widely used for clinical decision making. However, the relation between …

A semiquantitative method based on proximal convergence zone to estimate the severity of the mitral regurgitation: design and clinical application

JL Moya, MP Catalán, A Garcı́a-Lledó… - European Journal of …, 2001 - academic.oup.com
Aims: The analysis of the mitral regurgitation using the proximal isovelocity surface area
method has not been extended to clinical practice because of its complexity. Our objective …

A semiautomated objective technique for applying the proximal isovelocity surface area method to quantitate mitral regurgitation: clinical studies with the digital flow …

D Mele, E Schwammenthal, H Torp, F Nesta… - American Heart …, 2001 - Elsevier
Background Clinical application of the color Doppler proximal isovelocity surface area
(PISA) method to quantify mitral regurgitation (MR) has been limited by the often inaccurate …

Effects of blood viscosity on proximal flow convergence calculations of regurgitant flow rate and jet dimensions as evaluated by color Doppler flow mapping: An in vitro …

A Schmidt, A Pazin-Filho, OC Almeida-Filho… - Journal of the American …, 2001 - Elsevier
There are limited data on the potential influence of blood viscosity on the quantification of
valvular regurgitation by color Doppler in the clinical setting. This study was designed to …

[HTML][HTML] Interaliasing distances to assess mitral regurgitation: dividing the rainbow of flow convergence

R Hoffmann, P Hanrath - Journal of the American College of Cardiology, 2001 - jacc.org
Accurate quantification of mitral regurgitation was of limited need when surgery was
considered only for patients with significant symptoms. Advances in surgical technique and …