Identifying Biological Markers of Cardiovascular Events in Patients With Aortic Stenosis or TAVI

"At each sampling time, 2 dry tubes of 4 ml, 1 EDTA tube of 4 ml, and 1 heparinised tube of 4 ml, i.e. a total of 16 ml per sampling time.~Group A patients will be sampled at inclusion, before, during and after the TAVI procedure, at 1 month follow-up and at 1 year follow-up, for a total of 120 ml. Patients in groups B and C will be sampled at inclusion, 1 month follow-up, 1 year follow-up and 2 years follow-up, for a total of 80 ml."

EQ-5D-5L and HAD questionnaire at inclusion, 1 month follow-up, 1 year follow-up and 2 years follow-up