Computational simulations of mitral regurgitation quantification using the flow convergence method: Comparison of hemispheric and hemielliptic formulae

Annals of Biomedical Engineering

Volumn 24, Issue 5, 1996, Pages 561-572

  Hopmeyer, Joanne ^a   Whitney, Erika ^a   Papp, Dana A ^a   Navathe, Manisha S ^a   Levine, Robert A ^b   Kim, Young H ^a   Yoganathan, Ajit P ^a  

^a Georgia Institute of Technology   (United States)

^b MASSACHUSETTS GENERAL HOSPITAL   (United States)

Author keywords

Flow convergence method; Heart valve; Mitral regurgitation; Valvular regurgitation

Indexed keywords

BLOOD VESSELS; CARDIOLOGY; CARDIOVASCULAR SYSTEM; COMPUTATIONAL FLUID DYNAMICS; COMPUTER SIMULATION; CONVERGENCE OF NUMERICAL METHODS; ESTIMATION; HEMODYNAMICS;

AORTIC OUTFLOW; FLOW CONVERGENCE METHOD; HEMISPHERIC FORMULAE; MITRAL REGURGITATION; MITRAL VALVE; VENTRICULAR CONFINEMENT; VENTRICULAR CONTRACTION;

BIOMECHANICS;

AORTA; ARTICLE; BLOOD FLOW VELOCITY; COMPUTER SIMULATION; DOPPLER ECHOCARDIOGRAPHY; GEOMETRY; HEART LEFT VENTRICLE WALL MOTION; HEART VALVE REGURGITATION; MITRAL VALVE REGURGITATION; THREE DIMENSIONAL IMAGING;

AORTA, THORACIC; BLOOD FLOW VELOCITY; COMPUTER SIMULATION; HEMODYNAMIC PROCESSES; HUMANS; MITRAL VALVE INSUFFICIENCY; MODELS, CARDIOVASCULAR; REGIONAL BLOOD FLOW;

EID: 0030248945     PISSN: 00906964     EISSN: None     Source Type: Journal    
DOI: 10.1007/BF02684225     Document Type: Article

References (29)

1. Barclay, S., L. Eidenvall, M. Karlsson, G. Andersson, C. Xiong, P. Ask, D. Loyd, and B. Wranne. The shape of the proximal isovelocity surface area varies with regurgitant orifice size and distance from orifice: Computer simulation and model experiments with color m-mode technique. J. Am. Soc. Echocardiogr. 6:433-445, 1993.
2. Bargiggia, G., L. Tronconi, D. Sahn, F. Recusani, A. Raisaro, S. DeServi, L. Valdes-Cruz, and C. Montemartini. A new method for quantitation of mitral regurgitation based on color flow Doppler imaging of flow convergence proximal to regurgitant orifice. Circulation 84:1481-1489, 1991.
3. Bohs, L., B. Friemel, B. McDermott, and G. Trahey. A real time system for quantifying and displaying two-dimensional velocities using ultrasound. Ultrasound Med. Biol. 19:751-761, 1993.
4. Cagniot, A., E. Cape, P. Walker, A. Yoganathan, and R. Levine. Effect of heart rate on centerline velocities of pulsatile intracardiac jets: An in vitro study with laser Doppler anemometry and pulsed Doppler ultrasound. J. Am. Soc. Echocardiogr. 5:393-404, 1992.
5. Cape, E., A. Yoganathan, and R. Levine. A new theoretical model for noninvasive quantification of mitral regurgitation. J. Biomech. 23:27-33, 1990.
6. Cape, E., A. Yoganathan. A. Weyman, and R. Levine. Adjacent solid boundaries alter the size of regurgitant jets on color Doppler flow maps. J. Am. Coll. Cardiol. 17:1094-1102, 1991.
7. Eidenvall, L., S. Barclay, D. Loyd, B. Wrannel, and P. Ask. Regurgitant heart valve flow from 2-D proximal velocity field: continued search for the ideal method. Med. Biol. Eng. Comput. 33:131-139, 1995.
8. Enriquez-Sarano, M., F. Miller, S. Hayes, K. Bailey, A. Tajik, and J. Seward. Effective mitral regurgitant orifice area: Clinical use and pitfalls of the proximal isovelocity surface area method. J. Am. Coll. Cardiol. 25:703-709, 1995.
9. Giesler, M., and M. Stauch. Color Doppler determination of regurgitant flow: From proximal isovelocity surface areas to proximal velocity profiles. Echocardiography 9:51-62, 1992.
10. Grimes, R., S. Nyarko, G. Puhdo, S. Yang, P. Walker, R. Levine, and A. Yoganathan. Atrial inflow can alter regurgitant jet size: In vitro studies. Ultrasound Med. Biol. 21: 459-469, 1995.
11. Hopmeyer, J., A. Fontaine, S. Yang, R. Levine, and A. Yoganathan. The effect of aortic outflow on the quantification of mitral regurgitation using the flow convergence method. J. Am. Soc. Echocardiogr. 9:44-57, 1996.
12. Hopmeyer, J., E. Whitney, M. Navathe, D. Papp, S. Walton, P. Walker, R. Levine, and A. Yoganathan, Improving the accuracy of flow convergence calculations of valvular regurgitation: Benefits of the hemi-elliptical formula for slit-like orifices. J. Am. Soc. Echocardiogr. 8:375, 1995.
13. Lawden, D. Elliptic Functions and Applications. New York: Springer-Verlag. 1989. 334 pp.
14. Levine, R., L. Rodriguez, E. Cape, C. Vesier, J. Thomas, A. Weyman, A. Cagniot, and A. Yoganathan. The proximal flow convergence method for calculating orifice flow rate requires correction for surrounding leaflet geometry. J. Am. Coll. Cardiol. 17:359A, 1991.
15. Loyd, D., S. Barclay, X. Changsheng, G. Andersson, P. Ask, and B. Wranne, Echocardiographic assessment of heart valve regurgitant flow using the flow convergence method. Annual International Conference of the IEEE Engineering in Medicine and Biology Society, Orlando, FL Vol. 13, 1991. pp. 19-192.
16. Mele, D., P. Vandervoort, I. Palacios, J. Rivera, R. Dinsmore, E. Schwammenthal, J. Marshall. A. Weyman, and R. Levine. Proximal jet size by Doppler color flow mapping predicts the severity of mitral regurgitation: Clinical studies. Circulation 91:746-754, 1995.
17. Nidorf, S., M. Picard, M. Triulzi, J. Thomas, J. Newell, M. King, and A. Weyman. New perspectives in the assessment of cardiac chamber dimensions during development and adulthood. J. Am. Coll. Cardiol. 19:983-988, 1992.
18. Overbeck, J., K. Beach, and D. Strandness. Vector Doppler: Accurate measurement of blood velocity in two dimensions. Ultrasound Med. Biol. 18:19-31, 1992.
19. Pu, M., P. Vandervoort, J. Rivera, and J. Thomas. Proximal flow constraint by ventricular wall causes overestimation of regurgitant flow in mitral regurgitation: In vitro assessment Circulation 88:1-110, 1993.
20. Recusani, F., G. Bargiggia, A. Yoganathan, A. Raisaro, L. Valdes-Cruz, H.-W. Sung, C. Bertucci, M. Gallati, V. Moises, I. Simpson, L. Tronconi, and D. Sahn. A new method for quantification of regurgitant flow rate using color Doppler flow imaging of the flow convergence region proximal to a discrete orifice: An in vitro study. Circulation 83:594-601, 1991.
21. Rodriguez, L., J. Anconina, F. Flachskampf, A. Weyman, R. Levine, and J. Thomas. Impact of finite orifice size on proximal flow convergence: Implications for Doppler quantification of valvular regurgitation. Circ. Res. 70:923-930, 1992.
22. Sahn, D. Instrumentation and physical factors related to visualization of stenotic and regurgitant jets of Doppler flow mapping. J. Am. Coll. Cardiol. 12:1354-1365, 1988.
23. Schwammenthal, E., C. Chen, F. Benning, M. Block, G. Breithardt, and R. Levine. Dynamics of mitral regurgitant flow and orifice area: Physiologic application of the proximal flow convergence method: Clinical data and experimental testing. Circulation 90:307-322, 1994.
24. Shandas, R., M. Gharib, D. Liepmann, T. Shiota, and D. Sahn. Experimental studies to define the geometry of the flow convergence region: Laser Doppler particle tracking and color Doppler imaging. Echocardiography 9:43-50, 1992.
25. Simpson, I., L. Valdes-Cruz, D. Sahn, A. Murillo, T. Tamura, and K. Chung. Doppler color flow mapping of simulated in vitro regurgitant jets: Evaluation of the effects of orifice size and hemodynamic variables. J. Am. Coll. Cardial. 13:1195-1207, 1989.
26. Utsunomiya, T., T. Ogawa, S. King, E. Sunada, S. Lobodzinski, W. Henry, and J. Gardin. Pitfalls in the display of color Doppler jet areas: Combined variability due to Doppler angle, frame rate, and scanning direction. Echocardiography 7:739-745, 1990.
27. Utsunomiya, T., T. Ogawa, H. Tang, R. Doshi. D. Patel, M. Quan, W. Henry, and J. Gardin. Doppler color flow mapping of the proximal isovelocity surface area: A new method for measuring volume flow rate across a narrowed orifice. J. Am. Soc. Echocardiogr. 4:338-348, 1991.
28. Weyman, A. Principles and Practices of Echocardiography. Philadelphia: Lea and Febiger, 1994, 1335 pp.
29. Yamachika, S., E. Cape, D. Savani, J. Desai, C. Reid, and J. Gardin. Role of three-dimensional valve angle on calculation of régurgitant volume by the proximal isovelocity surface area method in clinical valvular regurgitation. J. Am. Coll. Cardiol. 21:3A, 1993.