Intra-annular self-expanding or balloon-expandable TAVI in small annuli: the NAVULTRA registry. - Cannata S; Sultan I; Van Mieghem NM; Giordano A; Backer O; Byrne J; Tchétché D; Buccheri S; Nombela-Franco L; Campante Teles R; Barbanti M; Barbato E; et al. (EuroIntervention : journal of EuroPCR in collaboration with the Working Group on Interventional Cardiology of the European Society of Cardiology, 2026)