ABC Imagem Cardiovasc. 2026; 39(2): e20250111
TAV-in-TAV for Acute Failure of a Transcatheter Aortic Valve in a High Surgical Risk Octogenarian Patient
DOI: 10.36660/abcimg.20250111i
Abstract
An 82-year-old patient with severe aortic valve stenosis and high risk for conventional surgery due to chronic renal dysfunction and restrictive lung disease underwent transfemoral transcatheter aortic valve implantation (TAVI) using a self-expanding Navitor® prosthesis (Abbott). Immediately after implantation, valve dysfunction was observed, characterized by inversion of the right coronary leaflet, resulting in severe acute prosthetic regurgitation and hemodynamic instability. Therefore, a 21.5 mm balloon-expandable Myval® prosthesis was also implanted (TAV-in-TAV). The critical condition was resolved with immediate hemodynamic recovery. This case demonstrates the efficacy and safety of TAV-in-TAV as a bailout intervention in acute prosthetic failure.
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