mortalité (3) âge (3) survie (3) Mortality (3) Surgery (3) Survival (3) Surgery (3) Patients (3) Mortality (3) Mitral valve insufficiency (3) Age (3) Age (3) Patients (3) risque (2) substitution (2) gestion (2) Treatment (2) Death (2) Methods (2) Risk (2) Prognosis (2) Population (2) Management (2) Death (2) Methods (2) Management (2) Prognosis (2) Population (2) mort (2) puits (1)