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B-type natriuretic peptide. Guided vs. conventional care in outpatients with chronic heart failure: a retrospective

R De Vecchis1, C Esposito, G Di Biase

  • 1Cardiology Unit, Presidio Sanitario Intermedi, "Elena d'Aosta", Naples, Italy - r.de.vecchis@alice.it.

Minerva Cardioangiologica
|July 13, 2013
PubMed

Insights

A significant drop in B-type natriuretic peptide (BNP) levels in heart failure patients predicts better outcomes. BNP-guided therapy did not significantly reduce hospitalizations compared to standard care.

Area of Science:

  • Cardiology
  • Clinical Medicine
  • Biomarkers

Background:

  • Chronic heart failure (CHF) management is complex.
  • Serum B-type natriuretic peptide (BNP) is a key biomarker in heart failure.
  • The efficacy of BNP-guided therapy in outpatients with CHF remains unclear.

Purpose of the Study:

  • To investigate if BNP-assisted therapy improves outcomes for chronic heart failure outpatients.
  • To explore the predictive role of BNP levels in reducing heart failure-related deaths or hospitalizations.

Main Methods:

  • Retrospective case-control study of acutely decompensated heart failure (ADHF) patients.
  • Follow-up period of four months.
  • Cases (death or ADHF) were matched with controls (no ADHF re-hospitalization).

Main Results:

  • A BNP decrease of ≥60% by day five predicted a lower risk of death or heart failure hospitalization (HR=0.1508, P=0.001).
  • Low glomerular filtration rate (<60 mL/min/1.73 m2) predicted increased risk (HR=7.1785, P=0.0113).
  • BNP-guided therapy showed similar risks of death/hospitalization compared to conventional care.

Conclusions:

  • A significant fall in BNP levels is associated with favorable outcomes in CHF outpatients.
  • BNP-guided therapy did not demonstrate a substantial improvement in cardiovascular event rates compared to usual care.
Abstract

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