Profiling B-type natriuretic peptide in a stable heart failure population: a valuable adjunct to care
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To examine the prognostic importance of absolute values and change in values of BNP in patients with stable heart failure (HF).
Five-hundred and fifty-nine patients attending a disease management programme were categorized into tertiles of BNP (group 1; ≤95 pg/ml, group 2; 96–249 pg/ml and group 3; ≥250 pg/ml). A change in BNP between two stable visits was recorded. Patients were followed up for 1 year for death and a composite morbidity measure of HF hospitalization, all-cause hospitalization, unscheduled visits for clinical deterioration(UC) of HF using survival analysis.
The risk of the combined morbidity outcome increased with increasing tertiles of BNP (Log rank = 17.8 (2), p < 0.001). Furthermore, a 50 and 25% increase in BNP predicted morbidity in stable HF patients with an initial BNP > 200 pg/ml (p = 0.02) and >450 pg/ml (p = 0.03), respectively.
In a stable community HF population, an elevated BNP or an increase in BNP predicts an adverse prognosis thereby potentially identifying a population in need of closer clinical follow-up.
KeywordsB-type natriuretic peptide Heart failure Disease management programme
Conflicts of interest
KMCD and ML have received honoraria from Biosyn. There are no other conflicts of interest.
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