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

American Heart Journal

Volumn 141, Issue 4, 2001, Pages 653-660

  Mele, Donato ^a   Schwammenthal, Ehud ^c   Torp, Hans ^d   Nesta, Francesca ^a   Pedini, Igino ^b   Vandervoort, Pieter ^c   Alboni, Paolo ^b   Levine, Robert A ^c  

^a UNIVERSITY HOSPITAL OF FERRARA   (Italy)

^b Ospedale di Cento Fe   (Italy)

^c MASSACHUSETTS GENERAL HOSPITAL   (United States)

^d NORWEGIAN UNIVERSITY OF SCIENCE AND TECHNOLOGY   (Norway)

Author keywords

[No Author keywords available]

Indexed keywords

ARTICLE; AUTOMATION; BLOOD FLOW VELOCITY; CLINICAL TRIAL; COLOR ULTRASOUND FLOWMETRY; CONTROLLED CLINICAL TRIAL; CONTROLLED STUDY; DIAGNOSTIC VALUE; EPICARDIUM MAPPING; HUMAN; HUMAN CELL; HUMAN TISSUE; MAJOR CLINICAL STUDY; MITRAL VALVE REGURGITATION; PRIORITY JOURNAL; QUANTITATIVE DIAGNOSIS; RANDOMIZED CONTROLLED TRIAL; SURFACE PROPERTY;

EID: 0035091503     PISSN: 00028703     EISSN: None     Source Type: Journal    
DOI: 10.1067/mhj.2001.113392     Document Type: Article

References (24)

1. A new method for quantitation of mitral regurgitation based on color flow Doppler imaging of flow convergence proximal to regurgitant orifice
2. Quantification of mitral regurgitation with the proximal flow convergence method: A clinical study
3. Regurgitant volume estimation in patients with mitral regurgitation: Initial studies using the color Doppler "proximal isovelocity surface area" method
4. Value of acceleration flow signals proximal to the leaking orifice in assessing the severity of prosthetic mitral valve regurgitation
5. Color Doppler echocardiographic determination of mitral regurgitant flow from the proximal flow velocity profile of the flow convergence region
6. Noninvasive estimation of regurgitant flow rate and volume in patients with mitral regurgitation by Doppler color mapping of accelerating flow field
7. Quantification of mitral regurgitation: Comparison of the proximal convergence method and the jet area method
8. Quantification of mitral regurgitation by the proximal convergence method using transesophageal echocardiography: Clinical validation of a geometric correction for proximal flow constraint
9. New method for accurate calculation of regurgitant flow rate based on analysis of Doppler color flow maps of the proximal flow field: Validation in a canine model of mitral regurgitation with initial application in patients
10. Color Doppler assessment of mitral regurgitation with orthogonal planes
11. Quantitative assessment of mitral regurgitation by Doppler color flow imaging: Angiographic and hemodynamic correlations
12. Practical considerations and design of a digital system for acquisition of two-dimensional ultrasonic tissue and flow data
13. Impact of impinging wall jet on color Doppler quantification of mitral regurgitation
14. Proximal jet size by Doppler color flow mapping predicts the severity of mitral regurgitation: Clinical studies
15. Application of color Doppler flow mapping to calculate effective regurgitant orifice area: An in vitro study and initial clinical observations
16. Effective regurgitant orifice area: A noninvasive Doppler development of an old hemodynamic concept
17. Variable effects of changes in flow rate through the aortic, pulmonary and mitral valves on valve area and flow velocity: Impact on quantitative Doppler flow calculations
18. A Doppler two-dimensional echocardiographic method for quantitation of mitral regurgitation
19. The mitral valve orifice method for noninvasive two-dimensional echo Doppler determination of cardiac output
20. The angiographic assessment of mitral incompetence
21. Statistical methods for assessing agreement between two methods of clinical measurement
22. Automated flow rate calculations based on digital analysis of the convergence proximal to regurgitant orifices
23. Doppler color flow "proximal isovelocity surface area" method for estimating volume flow rate: Effects of orifice shape and machine factors
24. Computational simulation of mitral regurgitation quantification using the flow convergence method: Comparison of hemispheric and hemielliptic formulae