PHAN, T. N.; NGUYEN, T. H.; DO, L. A.; NGUYEN, C. H. Successful valve-in-valve transcatheter aortic valve implantation using a hydra transcatheter aortic valve in a patient with severe degeneration of a surgical bioprosthesis: a case report. The Vietnam Journal of Cardiovascular and Thoracic Surgery, [S. l.], v. 54, p. 77 - 84, 2026. DOI: 10.47972/vjcts.v54i.1634. Disponível em: https://vjcts.vn/index.php/vjcts/article/view/1634. Acesso em: 8 feb. 2026.