Why the study?
Do Ionescu-Shiley pericardial heart valves improve hydrodynamic performance compared to Björk-Shiley valves in an in vitro mitral position model?
Population
In vitro pulse duplicator model simulating sinus rhythm and supraventricular tachycardia
Comparison
Ionescu-Shiley pericardial heart valves vs Björk-Shiley valves
Design
Preclinical
Authors
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Ionescu-Shiley valves showed superior in vitro hydrodynamics; leaves open whether differences affect clinical mitral valve outcomes.
Do Ionescu-Shiley pericardial heart valves improve hydrodynamic performance compared to Björk-Shiley valves in an in vitro mitral position model?
In an in vitro model, Ionescu-Shiley pericardial valves demonstrated superior hydrodynamic performance compared to Björk-Shiley mechanical valves in the mitral position, primarily due to less regurgitation.
Scotten et al. (1983) studied this question.
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