Prospective Evaluation of the Quality of Life of Elderly Patients Undergoing Transfemoral Percutanous Aortic Valve Replacement (TAVI) for the Treatment of Severe Aortic Stenosis.

Inclusion Criteria: * Male, female, over 18 years old, * All patients who will have transfemoral percutaneous aortic valve replacement (TAVI) with implantation of a valve delivered on a balloon, * Patient able to understand the study, and answer the TASQ questionnaire, * Affiliation to a social security scheme or beneficiary of such a scheme, * Patient having signed the free and informed consent. Exclusion Criteria: * Minor, * Disorder of comprehension and/or expression, * Patients unable to answer questions due to an underlying cognitive deficit or physical disability, * Patients treated with a self-expanding valve, * Refusal to participate in the study, * Protected patient: adult under guardianship, curatorship or other legal protection, deprived of liberty by judicial or administrative decision, * Pregnant, parturient, or breast-feeding patient.