Aortic valve--Stenosis (7) Patients (6) Aortic valve (6) Patients (6) substitution (5) Mortality (5) mortalité (4) dommage (4) Methods (4) Echocardiography (4) Theater (4) Mortality (4) Mitral valve (4) Drama (4) Acting (4) Methods (4) temps (durée) (3) analyse (3) danger (3) maladie (3) âge (3) Value (3) Tricuspid valve (3) Time (3) Theaters--Stage-setting and scenery (3) Months (3) Heart failure (3) Blood-vessels (3) Age (3) Age (3)