Aortic Valve Transcatheter InterventionCalcific aortic stenosis (AS) is the most common heart valve anomaly, with a largely age dependent prevalence, a calculated annual incidence rate in the range of 4 5% in general populations and up to 6% in patients aged 75 years and over. Surgical aortic valve replacement (SAVR) was previously the only option available to patients with symptomatic, severe aortic stenosis. After the first in human transcatheter aortic valve implantation (TAVI) was