Aortic Valve Transcatheter Intervention Calcific aortic stenosis AS is the most common heart valve anomaly with a largely agedependent prevalence a calculated annual incidence rate in the range of 45 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 firstinhuman transcatheter aortic valve implantation TAVI was performed by Alain Cr