Comparison of the diagnostic and prognostic values of B-type and atrial-type natriuretic peptides in acute heart failure.

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Comparison of the diagnostic and prognostic values of B-type and atrial-type natriuretic peptides in acute heart failure.

Int J Cardiol. 2013 May 14;

Authors: Seronde MF, Gayat E, Logeart D, Lassus J, Laribi S, Boukef R, Sibellas F, Launay JM, Manivet P, Sadoune M, Nouira S, Solal AC, Mebazaa A, Great network

Abstract
BACKGROUND: We compared diagnostic and prognostic properties of brain natruiretic peptide (BNP), proBNP, NT-proBNP and MR-pro-atrial natriuretic peptide (ANP) in patients admitted with shortness of breath (SOB). METHODS: All 4 NPs were measured in patients admitted to the emergency unit with SOB (in 2 centers) or acute heart failure (AHF) (1 FINN-AKVA cohort) and in a control population of stable chronic HF. Follow-up was 1 (2 centers) and 5years (1 FINN-AKVA cohort). Area under the curve (AUC) was used to assess diagnostic properties. AUC, multivariate Cox regression, net reclassification improvement (NRI), and Kaplan-Meier analyses were used to assess mortality. RESULTS: We included 710 patients ("Biomarcoeurs" cohort n=336; FINN-AKVA study, n=306; stable chronic HF, n=68). Pro-BNP was almost as powerful as BNP to diagnose AHF (AUC 0.953 vs 0.973 respectively, p=0.003), NT-proBNP also performed well (0.922, p<0.001 vs BNP). MR-proANP performed less well (0.901). AUC over time showed greater MR-proANP values over the first year. At 5years, MR-proANP had the best prognostic value (AUC 0.668 vs 0.604 for BNP, p=0.042). Kaplan Meier analysis confirmed better survival with MR-proANP≤416.8pmol/L at 5years. NRI at 5years was greater for MR-proANP (0.23, p<0.05) than for proBNP, BNP or NTproBNP (p=NS). CONCLUSION: Our study provides firm evidence that all NPs perform equally well for diagnostic purposes, and that MR-proANP has long term prognostic value in patients with acute heart failure.

PMID: 23684562 [PubMed - as supplied by publisher]

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