Prognostic value of NT-proBNP in heart failure with preserved versus reduced EF

on behalf of the KorHF Registry

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Abstract

Objective: Plasma level of N-terminal-pro-brain natriuretic peptide (NT-proBNP) is a reliable prognostic factor in patients with heart failure (HF). However, it is unclear how differently the biomarker predicts adverse outcomes in HF with preserved EF (HFpEF) versus HF with reduced EF (HFrEF). Methods: From the Korean Heart Failure registry, a prospective multicentre cohort for consecutive patients who were hospitalised for acute HF syndrome, those with available NT-proBNP and LVEF measurements were extracted. Patients with LVEF ≥50% were categorised as the HFpEF group (N=528) and those with ≤40% as the HFrEF group (N=1142). Results: Patients with HFpEF had significantly lower NT-proBNP level than those with HFrEF (median 2723 vs 5644 ng/L, p<0.001). Event-free survival did not differ between the two groups either in terms of death from any cause (88.4% vs 86.9%; p=0.471) or the composite of death or HF readmission at 1 year (73.8% vs 70.6%; p=0.225). High levels of NT-proBNP were significantly associated with poor outcomes. However, the relationship was not different among the HFpEF and HFrEF groups (interaction p=0.956 for all-cause death; p=0.351 for the composite of all-cause death or HF hospitalisation). Conclusions: Plasma level of NT-proBNP is the most powerful prognostic factor in both HFpEF and HFrEF. Although patients with HFpEF have lower NT-proBNP levels, the prognosis of a patient with HFpEF expected from a given NT-proBNP level is similar with his/her counterpart with HFrEF.

Original languageEnglish
Pages (from-to)1881-1888
Number of pages8
JournalHeart
Volume101
Issue number23
DOIs
Publication statusPublished - 2015 Dec 1

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All Science Journal Classification (ASJC) codes

  • Cardiology and Cardiovascular Medicine

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