In men undergoing isolated aortic valve replacement for aortic stenosis, a congenitally malformed valve is more common than a tricuspid aortic valve.
Challenges notion that tricuspid AS predominates in men; leaves open whether morphology affects AVR decisions or outcomes.
The data from this large study of adults having isolated aortic valve replacement for aortic stenosis (with or without associated aortic regurgitation) and without associated mitral stenosis or mitral valve replacement strongly suggest that an underlying congenitally malformed valve, at least in men, is more common than a tricuspid aortic valve.
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Roberts et al. (2005) studied this question.
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