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Published on: July 25, 2019
Amino-terminal pro-B-type natriuretic peptides and prognosis in chronic heart failure
1Department of Cardiovascular Research, Laboratory of Cardiovascular Clinical Pharmacology, Istituto di Ricerche Farmacologiche Mario Negri, Milan, Italy.
Insights
Measuring amino-terminal pro-B-type natriuretic peptide (NT-proBNP) effectively predicts risks in chronic heart failure (HF). Serial NT-proBNP measurements offer additional prognostic value for adverse outcomes in HF patients.
Area of Science:
- Cardiology
- Biomarkers
- Heart Failure Research
Background:
- Amino-terminal pro-B-type natriuretic peptide (NT-proBNP) is a key biomarker in heart failure (HF).
- Elevated NT-proBNP levels are strongly associated with increased mortality risk in chronic HF patients.
- Current guidelines recommend NT-proBNP measurement for prognostication across HF severity spectrum.
Purpose of the Study:
- To evaluate the prognostic utility of NT-proBNP levels in chronic heart failure (HF).
- To determine the value of serial NT-proBNP measurements for predicting adverse outcomes in HF.
- To assess the impact of confounding factors on NT-proBNP's prognostic value.
Main Methods:
- Retrospective analysis of NT-proBNP levels in a cohort of chronic HF patients.
- Correlation of NT-proBNP concentrations with adverse events like mortality and HF hospitalization.
- Assessment of NT-proBNP changes over time in relation to clinical stability.
Main Results:
- NT-proBNP levels are potent independent predictors of hazard in chronic HF.
- Repeated NT-proBNP measurements provide additional prognostic information for adverse outcomes.
- A significant increase in morbidity and mortality is observed with NT-proBNP >1,000 ng/L.
- NT-proBNP retains prognostic value despite confounding factors like renal dysfunction and obesity.
Conclusions:
- Serial assessment of NT-proBNP is valuable for prognostication in outpatients with chronic HF.
- Regular NT-proBNP monitoring, alongside clinical assessment, is recommended for managing HF patients.
- NT-proBNP serves as a reliable tool for risk stratification and guiding treatment decisions in chronic HF.
Abstract:
In patients with chronic heart failure (HF), amino-terminal pro-B-type natriuretic peptide (NT-proBNP) levels are among the strongest independent predictors of hazard, and their measurement is useful for prognostication across the entire spectrum of HF disease severity. In patients with chronic HF, repeated determinations of NT-proBNP levels appear to convey additional prognostic value for relevant adverse outcomes, including death or HF hospitalization. Although "hard targets" for NT-proBNP values are not entirely defined, morbidity and mortality in chronic HF appear to increase markedly with an NT-proBNP concentration >1,000 ng/L. Confounding factors (such as renal function or obesity) should be kept in mind when prognostically evaluating patients using NT-proBNP measurements; however, the value of NT-proBNP is retained in these patients. Thus, serial assessment of NT-proBNP is valuable for prognostication in chronic HF in outpatients, and, as such, a measurement at each patient visit or the following of changes in clinical stability is recommended.
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