title: [Changed timing of heart valve operations].
authors.affiliation: OYS:n sisätautien klinikka, kardiologian osasto PL 22, 90221 Oulu. markku.ikaheimo@ppshp.fi
authors.forename: M
authors.initials: M
authors.lastname: Ikäheimo
mesh_terms: D006348:Cardiac Surgical Procedures / Q000379:methods / Q000639:trends*; D004452:Echocardiography; D006349:Heart Valve Diseases / Q000000981:diagnostic imaging / Q000503:physiopathology / Q000601:surgery*; D006801:Humans; D012720:Severity of Illness Index; D013997:Time Factors