title: B-type natriuretic peptide and echocardiography in the surveillance of severe mitral regurgitation prior to valve surgery.
authors.forename: Peter A
authors.initials: PA
authors.lastname: McCullough
authors.forename: George S
authors.initials: GS
authors.lastname: Hanzel
mesh_terms: D015415:Biomarkers / Q000097:blood; D006348:Cardiac Surgical Procedures / Q000379:methods*; D002908:Chronic Disease; D004452:Echocardiography / Q000379:methods*; D005500:Follow-Up Studies; D006801:Humans; D008944:Mitral Valve Insufficiency / Q000097:blood* / Q000000981:diagnostic imaging / Q000601:surgery; D020097:Natriuretic Peptide, Brain / Q000097:blood*; D011379:Prognosis; D011446:Prospective Studies; D012720:Severity of Illness Index
chemical_list: D015415:Biomarkers; D020097:Natriuretic Peptide, Brain