Simple method for estimating regurgitant volume with use of a single radius for measuring proximal isovelocity surface area: An in vitro study of simulated mitral regurgitation

Journal of the American Society of Echocardiography

Volumn 14, Issue 2, 2001, Pages 104-113

  Tokushima, Takashi ^a   Reid, Cheryl L ^b   Hata, Akihiro ^c   Gardin, Julius M ^b  

^a SAGA UNIVERSITY   (Japan)

^b UNIVERSITY OF CALIFORNIA   (United States)

^c TOKYO MEDICAL AND DENTAL UNIVERSITY   (Japan)

Author keywords

[No Author keywords available]

Indexed keywords

ARTICLE; COLOR ULTRASOUND FLOWMETRY; DIAGNOSTIC ACCURACY; HUMAN; MATHEMATICAL COMPUTING; MITRAL VALVE REGURGITATION; PULSATILE FLOW; PULSE RATE; QUANTITATIVE DIAGNOSIS; REGRESSION ANALYSIS; SIMULATION;

EID: 0035134333     PISSN: 08947317     EISSN: None     Source Type: Journal    
DOI: 10.1067/mje.2001.108198     Document Type: Article

References (27)

1. Flow velocity acceleration in the left ventricle: A useful Doppler echocardiographic sign of hemodynamically significant mitral regurgitation
2. A new method for quantitation of mitral regurgitation based on color flow Doppler imaging of flow convergence proximal to regurgitant orifce
3. Quantification of mitral regurgitation with the proximal flow convergence method: A clinical study
4. Determination of the most appropriate velocity threshold for applying hemispheric flow convergence equations to calculate flow rate selected according to the transorifice pressure gradient: Digital computer analysis of the Doppler color flow convergence region
5. Doppler color flow mapping of the proximal isovelocity surface area: A new method for measuring volume flow rate across a narrow orifice
6. Doppler color flow "proximal isovelocity surface area" method for estimating volume flow rate: Effects of oriarea shape and machine factors
7. Calculation of volume flow rate by the Proximal Isovelocity Surface Area method: Simplified approach using color Doppler zero baseline shift
8. Quantification of mitral regurgitant volume by the color Doppler proximal isovelocity surface area method: A clinical study
9. The proximal flow convergence method for calculating orifice flow rate requires correction for surrounding leaflet geometry
10. Statistical methods for assessing agreement between two methods of clinical measurement
11. Semiquantitative grading of severity of mitral regurgitation by real-time two-dimensional Doppler flow imaging technique
12. Quantitative assessment of mitral regurgitation by Doppler color flow imaging: Angiographic and hemodynamic correlations
13. Value of color Doppler estimation of regurgitant volume in patients with chronic aortic insufficiency
14. Two-dimensional color Doppler estimation of the severity, of atrioventricular valve regurgitation: Important effects of instrument gain setting, pulse repetition frequency, and carrier frequency
15. Adjacent solid boundaries alter the size of regurgitant jets on Doppler color flow maps
16. Sources of variability for Doppler color flow mapping of regurgitant jets in an animal model of mitral regurgitation
17. Non-invasive measurement of the regurgitant fraction by pulsed Doppler echocardiography in isolated pure mitral regurgitation
18. Determination of regurgitant fraction in isolated mitral or aortic regurgitation by pulsed Doppler two-dimensional echocardiography
19. Pulsed-Doppler echocardiographic determination of stroke volume and cardiac output: Clinical validation of two new methods using the apical window
20. Quantitadon of mitral regurgitation by Doppler echocardiography
21. A new simplified method to estimate mitral regurgitation by the proximal convergence method: Transesophageal echocardiographic study
22. Rapid estimation of regurgitant volume by the proximal isovelocity surface area method in mitral regurgitation: Can continuous-wave Doppler echocardiography be omitted?
23. Proximal isovelocity surface area method for estimating regurgitant stroke volume in mitral regurgitation: A simplified approach
24. Requirement for accurate measurement of regurgitant stroke volume by the combined continuous-wave Doppler and color Doppler flow convergence method
25. Changes in effective regurgitant orifice throughout systole in patients with mitral valve prolapse: A clinical study using the proximal isovelocity surface area method
26. Proximal isovelocity surface area method applied to nonplanar surfaces: Implications of in vitro studies for clinical regurgitation and stenosis