Key result
Self-expanding TAVR yields better hemodynamics than balloon-expandable valves in extra-small annuli without excess complications.
TAVR in standard small aortic annuli (area <430 mm2) often forces a compromise between optimal hemodynamics and minimizing paravalvular leak (PVL) and permanent pacemaker implantation (PPI) risks. We evaluated if this trade-off persists by comparing self-expanding (SEV) and balloon-expandable valves (BEV) specifically in patients with extra-small annuli (area <400 mm2).
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Abdelrahman et al. (2026) studied this question. Self-expanding TAVR provided better hemodynamics without excess risk of paravalvular leak or pacemaker implantation compared to balloon-expandable valves in extra-small aortic annuli.
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