title: [Cardiac operations with artificial circulation in elderly patients: risk factors, prognosis].
authors.forename: I E
authors.initials: IE
authors.lastname: Olofinskaia
mesh_terms: D000368:Aged; D001022:Aortic Valve Insufficiency / Q000601:surgery*; D001024:Aortic Valve Stenosis / Q000601:surgery*; D006348:Cardiac Surgical Procedures / Q000639:trends*; D004493:Education; D006801:Humans; D011379:Prognosis; D012307:Risk Factors