Flow characteristics of four commonly used mechanical heart valves

Flow characteristics of four commonly used mechanical heart valves

The in vivo and in vitro fluid dynamic performance of 4 mechanical heart valves was reviewed: (1) Starr-Edwards silicon-rubber ball valves (models 1200/1260 aortic and 6120 mitral valves), (2) Björk-Shiley tilting disc valves (standard spherical model, modified and unmodified convexo-concave [60 ° a...

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Bibliographic Details
Published in:The American journal of cardiology Vol. 58; no. 9; pp. 743 - 752
Main Authors: Rashtian, Mayer Y., Stevenson, Dana M., Allen, David T., Yoganathan, Ajit P., Harrison, Earl C., Edmiston, W.Allan, Faughan, Patrick, Rahimtoola, Shahbudin H.
Format: Journal Article
Language:English
Published: New York, NY Elsevier Inc 01-10-1986
Elsevier
Subjects:
Biological and medical sciences
Cardiac Output
Cardiology. Vascular system
Endocardial and cardiac valvular diseases
Heart
Heart Valve Prosthesis
Humans
Medical sciences
Mitral Valve
Pressure
Cardiac valvular disease
Prosthesis
Surgery
Cardiovascular disease
Hemodynamics
Heart valve
In vitro
Comparative study
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Summary:The in vivo and in vitro fluid dynamic performance of 4 mechanical heart valves was reviewed: (1) Starr-Edwards silicon-rubber ball valves (models 1200/1260 aortic and 6120 mitral valves), (2) Björk-Shiley tilting disc valves (standard spherical model, modified and unmodified convexo-concave [60 ° and 70 ° C-C] models), (3) the Medtronic-Hall (Hall-Kaster) tilting disc valve and (4) the St. Jude Medical bileaflet valve. These valves were chosen because of their past or present popularity in clinical use and because they encompass most of the basic mechanical valve designs used during the past 2 decades. The flow measurements reported include in vivo and in vitro mean pressure drop, cardiac output or cardiac index, regurgitant volume, effective orifice area and performance index.
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ISSN:0002-9149
1879-1913
DOI:10.1016/0002-9149(86)90349-8