surveillance (1) risque (1) substitution (1) mortalité (1) Mortality (1) Area (1) Admission (1) Methods (1) Area (1) Value (1) Risk (1) Poor (1) Patients (1) Mortality (1) Mass (1) Magnetic resonance (1) Heart failure (1) Myocardium (1) Gadolinium (1) Authors (1) Aortic valve--Stenosis (1) Aortic valve (1) Methods (1) Fibrosis (1) Patients (1) Fibrosis (1) cohorte (1) messe (1)