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  • Title: Limited utilities of N-terminal pro B-type natriuretic peptide and other newer risk markers compared with traditional risk factors for prediction of significant angiographic lesions in stable coronary artery disease.
    Author: Peer A, Falkensammer G, Alber H, Kroiss A, Griesmacher A, Ulmer H, Pachinger O, Mair J.
    Journal: Heart; 2009 Feb; 95(4):297-303. PubMed ID: 18708421.
    Abstract:
    OBJECTIVE: To investigate the usefulness of N-terminal pro-brain natriuretic peptide (NT-proBNP) as a predictive marker for angiographically significant coronary artery disease (CAD) and CAD severity compared with other newer biochemical risk markers and classic risk factors in patients with clinically suspected CAD. DESIGN: Cross-sectional evaluation of NT-proBNP in a large consecutive series of patients without a history of myocardial infarction referred for elective coronary angiography (CAG) between March 2004 and January 2005. The value of NT-proBNP for predicting CAD was assessed and compared with high sensitivity C-reactive protein (hs-CRP), gamma-glutamyltransferase (GGT) and traditional risk factors. SETTING: Tertiary care centre, Department of Cardiology, Innsbruck Medical University, Austria. PATIENTS: 561 men and 287 women aged between 20-86 years (median 65 years). INTERVENTIONS: None. MAIN OUTCOME MEASURES: Association of NT-proBNP with the severity of CAD, left ventricular dysfunction and comparison of predictive values of NT-proBNP, hs-CRP, GGT and traditional CAD risk factors. RESULTS: Of all tested newer biochemical risk markers NT-proBNP performed best. In a multinomial logistic regression model NT-proBNP but not hs-CRP or GGT was significantly associated with three-vessel CAD adjusted for age, sex, ventricular, renal function and classic risk factors (odds ratio = 1.667; 95% CI 1.003 to 2.772; p = 0.049). However, NT-proBNP had no additive predictive value to traditional cardiovascular risk factors for the prediction of angiographically significant CAD in a binary logistic regression model. CONCLUSIONS: The predictive value of NT-proBNP for CAD severity is better than that of hs-CRP or GGT. However, NT-proBNP is also of limited value compared with traditional risk factors for predicting significant CAD.
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