Why the study?
Do polycarbonate urethane (PCU) valve prostheses improve durability and hemodynamics compared to commercial bioprostheses in a growing calf model?
Population
Growing calf model
Comparison
Polycarbonate urethane mitral and aortic valve… vs Commercial bioprostheses
Design
Preclinical
Follow-up
20 weeks
Authors
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PCU valves show durability advantage in calves; hypothesis-generating and should not yet change practice.
Do polycarbonate urethane (PCU) valve prostheses improve durability and hemodynamics compared to commercial bioprostheses in a growing calf model?
New flexible polycarbonate urethane valve prostheses demonstrated superior durability and survival compared to commercial bioprostheses in a 20-week growing calf model.
Daebritz et al. (2004) studied this question.