title: Are mechanical valves safe to use in older patients?
authors.affiliation: Division of Cardiac Surgery, University of Ottawa Heart Institute, Canada.
authors.forename: Roy G
authors.initials: RG
authors.lastname: Masters
authors.forename: Andrew L
authors.initials: AL
authors.lastname: Pipe
authors.forename: Michel
authors.initials: M
authors.lastname: Haddad
authors.forename: Wilbert J
authors.initials: WJ
authors.lastname: Keon
mesh_terms: D000367:Age Factors; D000368:Aged; D000925:Anticoagulants; D001705:Bioprosthesis / Q000009:adverse effects*; D000075202:Contraindications; D006349:Heart Valve Diseases / Q000401:mortality / Q000601:surgery*; D006350:Heart Valve Prosthesis / Q000009:adverse effects*; D006801:Humans; D018570:Risk Assessment; D015996:Survival Rate
chemical_list: D000925:Anticoagulants