An in Vitro Study of the Hinge and Near-Field Forward Flow Dynamics of the St. Jude Medical® Regent™ Bileaflet Mechanical Heart Valve

Annals of Biomedical Engineering

Volumn 28, Issue 5, 2000, Pages 524-532

  Ellis, Jeffrey T ^a   Travis, Brandon R ^b   Yoganathan, Ajit P ^c  

^a GEORGIA INSTITUTE OF TECHNOLOGY   (United States)

^b Georgia Institute of Technology   (United States)

^c GEORGIA INSTITUTE OF TECHNOLOGY   (United States)

Author keywords

Bileaflet mechanical heart valve; Hinge; Laser Doppler velocimetry; Stress; Thrombosis

Indexed keywords

ARTICLE; BIOMEDICAL ENGINEERING; BLOOD FLOW; EQUIPMENT DESIGN; EVALUATION; HEART VALVE PROSTHESIS; HEMODYNAMICS; HUMAN; IN VITRO STUDY; LASER DOPPLER FLOWMETRY; THROMBOSIS;

BIOMEDICAL ENGINEERING; EQUIPMENT DESIGN; HEART VALVE PROSTHESIS; HEMODYNAMIC PROCESSES; HUMANS; LASER-DOPPLER FLOWMETRY; REGIONAL BLOOD FLOW; THROMBOSIS;

EID: 0034181001     PISSN: 00906964     EISSN: None     Source Type: Journal    
DOI: 10.1114/1.297     Document Type: Article

References (17)

1. Akins, C. Results with mechanical cardiac valvular prostheses. Ann. Thorac. Surg. 60:1836-1844, 1995.
2. Arom, K., R. Emery, B. Petersen, and D. Radosevich. St. Jude Medical® valve prothesis: Health status of the patient after 15 years. Ann. Thorac. Cardiovasc. Surg. 2:43-49, 1996.
3. Baldwin, J., S. Deutch, D. Geselowitz, and J. Tarbell, Estimation of Reynolds stresses within the Penn State left ventricular assist device. ASAIO Trans. 36:M274-M278, 1990.
4. Barbaro, V., M. Grigioni, C. Daniele, G. D'Aveio, and G. Boccanera. 19mm sized bileaflet valve prostheses' flow field investigated by bidimensional laser Doppler anemometry. Int. J. Artif. Organs 20:622-628, 1997.
5. Baudet, E., V. Puel, J. McBride, J. Grimaud, F. Roques, F. Clerc, X. Rogues, and N. Laborde. Long-term results of valve replacement with the St. Jude Medical® prosthesis. J. Thorac. Cardiovasc. Surg. 109:858-870, 1995.
6. Ellis, J., T. Healy, A. Fontaine, R. Saxena, and A. Yoganathan. Velocity measurements and flow patterns within the hinge region of a Medtronic Parallel™ bileaflet mechanical heart valve with clear housing. J. Heart Valve Disease 5:591-599, 1996.
7. Ellis, J., T. Healy, A. Fontaine, M. Weston, C. Jarret, R. Saxena, and A. Yoganathan. An in vitro investigation of the retrograde flow fields of two bileaflet mechanical heart valves. J. Heart Valve Disease 5:600-606, 1996.
8. Gross, J., M. Shu, F. Dai, J. Ellis, and A. Yoganathan, A microstructural flow analysis within a bileaflet mechanical heart valve hinge. J. Heart Valve Disease 5:581-590, 1996.
9. Hayashida, N., T. Isomura, K. Hisatomi, T. Sato, H. Maruyama, K. Kosuga, and A. Shigeaki. Hemodynamic performance of the St. Jude Medical Hemodynamic Plus Valve. Artif. Organs 21:916-921, 1997.
10. Healy, T., J. Ellis, A. Fontaine, C. Jarrett, and A. Yoganathan. An automated method for analysis and visualization of laser Doppler velocimetry data. Ann. Biomed. Eng. 25:335-343, 1997.
11. Healy, T., A. Fontaine, J. Ellis, S. Walton, and A. Yoganathan. Visualization of the hinge flow in a 5:1 scaled model of the Medtronic Parallel™ bileaflet heart valve prosthesis. Exp. Fluids 25:512-518, 1998.
12. Sallam, A. and N. Hwang. Human red blood cell hemolysis in a turbulent shear flow: Contribution of Reynolds stresses. Biorheology 21:783-797, 1984.
13. Vallana, F., S. Rinaldi, P. Galetti, A. Nguyen, and A. Piwnica. Pivot design in bileaflet valves. ASAIO J. 38:M600-M606, 1992.
14. Walker, P. and A. Yoganathan. In vitro pulsatile hemodynamics of five mechanical aortic heart valve prostheses. Eur. J. Cardiothorac. Surg. 6:S113-S123, 1992.
15. Wurzinger, L., P. Blasberg, and H. Schmid-Schonbein. Towards a concept of thrombosis in accelerated flow: Rheology, fluid dynamics, and biochemistry. Biorheology 22:437-449, 1985.
16. Yoganathan, A., H. Sung, Y. Woo, and M. Jones, In vitro velocity and turbulence measurements in the vicinity of three new mechanical aortic heart valve prostheses: Bjork-Shiley Monostrut, Omni-Carbon, and Duromedics. J. Thorac. Cardiovasc. Surg. 95:929-939, 1988.
17. Yoganathan, A., A. Fontaine, J. Ellis, and T. Healy. Forward flow characteristics of a 27 mm Medtronic Parallel bileaflet aortic valve prosthesis (abstract). Proceedings of the World Congress of the International Society for Artificial Organs, Taiwan, November 14-18, 1995.