RESUMO
A small-sized bioprosthesis can limit transcatheter valve-in-valve (V-in-V) implantations. The case is reported of a 91-year-old woman who had successfully undergone a V-in-V procedure with a 26 mm CoreValve in a previously implanted Mitroflow 19 mm valve. At the five-year follow up the prosthesis showed good echocardiographic function and the patient was alive and free from major symptoms. The patient died three months after the follow up examination at the age of 96 years. This case demonstrates the feasibility, with acceptable longterm functioning, of a V-in-V procedure involving a small bioprosthesis. To the authors' knowledge, the present report is the longest follow up of a patient who underwent V-in-V transcatheter aortic valve implantation in a 19 mm bioprosthesis (15.4 mm internal diameter). Video 1: Preoperative aortography showing moderate-to-severe aortic regurgitation. Video 2: Pre-implantation aortic balloon valvuloplasty. Video 3: Post-deployment aortography showing moderate-to-severe aortic regurgitation. Video 4: The final result. After post-dilation of the under-expanded 26 mm CoreValve, the aortic regurgitation is slightly reduced.
