Ultra–low-contrast transfemoral TAVI using the MyVal transcatheter heart valve: a prospective single-center feasibility and safety study - Georgios E. Papadopoulos; Ilias Ninios; Maria Kalaitzoglou; Sotirios Evangelou; Andreas Ioannides; Athinodoros Nikitopoulos; Georgios Bompas; Vlasis Ninios; Grigorios Giamouzis (Frontiers in Cardiovascular Medicine, 2026)