Patients (20) Aortic valve (20) Patients (20) substitution (19) Methods (17) Aortic valve--Stenosis (17) Methods (17) mortalité (16) procès (16) Mortality (16) Mortality (16) analyse (12) Analysis (12) Year (10) Cerebrovascular disease (10) risque (9) Valves (9) Ci (Chinese poetry) (9) Risk (9) cohorte (9) danger (8) Area (8) Area (8) Rates (8) Rates (8) survie (7) Treatment (7) Death (7) Survival (7) Impact (7)