Abstract
Background: A correlation between aortic valve calcium load and paravalvular regurgitation after transcatheter aortic valve implantation (TAVI) has been demonstrated for first-generation transcatheter heart valves. With the recent availability of several second-generation devices relying on different fixation and sealing mechanisms within the calcified aortic annulus, performance remains to be investigated. We aimed to approach this issue by retrospective assessment of aortic valve calcium and hemodynamic performance of different transcatheter heart valves.
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