The goal of this registry is to learn how the Medtronic Evolut™ FX+ transcatheter aortic valve implantation (TAVI) System performs in adults with severe, symptomatic aortic stenosis who need valve replacement. The main questions it aims to answer are: * Can using a standardized procedure for the impantation of the Medtronic Evolut™ FX+ TAVI System increase safety and efficiency? * What are the short-term (30 days) and long-term (1 year) patient outcomes, including the need for a pacemaker, complications, and valve function? Participants will undergo TAVI with the Medtronic Evolut™ FX+ TAVI System as part of their routine care. Be followed during their hospital stay, at 30 days, and at 1 year to check heart health, valve function, and recovery. 500 people at 12 hospitals in Portugal will take part in this registry.
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VARC-3 technical success
Timeframe: Immediately after the index procedure