Impact of Predischarge NT-proBNP on Treatment Optimisation in Acute Heart Failure
Abstract
Residual congestion (RC) at discharge predicts adverse outcomes in heart failure with reduced ejection fraction (HFrEF). Its impact on the implementation of guideline-directed medical therapies (GDMT) remains unclear. N-terminal pro-B-type natriuretic peptide (NT-proBNP) trajectory during hospitalisation reflects RC and may be associated with GDMT implementation. The aim was to assess whether discharge NT-proBNP and a fall in NT-proBNP < 30% during hospitalisation (ΔNT-proBNP < 30%) predict GDMT underuse in acute HFrEF. In this prospective observational study, NT-proBNP was measured at hospital admission and 48-72 h before discharge. Provision of individual GDMT drug classes was assessed and GDMT underuse was defined as prescription of <3 key GDMT drug classes at discharge. 391 HFrEF patients (mean age, 69.9 ± 13.1years, 67.3% male) were included. ΔNT-proBNP < 30% was identified in 108 (27.6%). Higher discharge NT-proBNP was independently associated with lower likelihood of prescribing ACE-inhibitors, sacubitril/valsartan, eplerenone/spironolactone, or empagliflozin/dapagliflozin. ΔNT-proBNP < 30% was associated with 17% higher odds of GDMT underuse (95% confidence interval, 1.10-1.31, p < 0.001), regardless of clinical characteristics or in-hospital management. Patients with ΔNT-proBNP < 30% were discharged on lower doses of titratable GDMT medications. In-hospital NT-proBNP burden and trajectory, as markers of RC, are associated with GDMT underutilisation at discharge in…
How strong is the evidence?
Evidence Hub reads this as a cohort study, done in people. Its evidence level is 3 of 5 (Moderate · trial / cohort / secondary analysis). Trials without a large randomized design, cohorts and secondary analyses give moderate evidence. Reported size: 391 participants or records.
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