Related Experiment Video
Updated: Jul 9, 2026

Cutoff Value of Phase Angle by Bioelectrical Impedance Analysis at Admission as a Prognostic Factor in Patients with Acute Heart Failure
Published on: June 10, 2025
Lack of decrease in plasma N-terminal pro-brain natriuretic peptide identifies acute heart failure patients with very
Piotr Kubler1, Ewa A Jankowska, Jacek Majda
1Cardiology Department, Military Hospital, Wroclaw, Poland.
A significant decrease in N-terminal pro-brain natriuretic peptide (NT-proBNP) levels during hospitalization indicates a better prognosis for acute heart failure patients. Monitoring NT-proBNP reduction is crucial for effective risk stratification.
Area of Science:
- Cardiology
- Biomarkers
- Heart Failure Research
Background:
- Optimal risk stratification for acute heart failure survivors remains undefined.
- Investigating NT-proBNP decrease as a predictor of poor outcomes in acute heart failure.
Purpose of the Study:
- To determine if a lack of significant NT-proBNP decrease during hospitalization identifies high-risk acute heart failure patients.
- To establish NT-proBNP level monitoring as a tool for risk stratification.
Main Methods:
- 103 consecutive acute heart failure patients were studied.
- Primary endpoint: all-cause mortality at 1-year follow-up.
- NT-proBNP levels were measured on admission and after clinical stabilization.
Main Results:
- A decrease in NT-proBNP levels predicted a favorable outcome (p<0.001).
- A 65% NT-proBNP decrease was the optimal cut-off for predicting mortality (AUC=0.65).
- 1-year survival was 92% for NT-proBNP decrease >=65% vs. 66% for <65% (p=0.02).
Conclusions:
- The magnitude of NT-proBNP decrease aids in discriminating high-risk patients.
- Monitoring plasma NT-proBNP levels is vital for risk stratification in acute heart failure.
Related Concept Videos
Blood Studies for Cardiovascular System II: CRP, Hcy, and Cardiac Natriuretic Peptide Markers
These markers indicate stress or strain on the heart muscle:
Natriuretic Peptides (BNP)
Cardiac myocytes produce these hormones in response to ventricular stretching...
Heart Failure II: Pathophysiology
Pathophysiology of Heart Failure
Heart Failure VII: Nursing Interventions
Heart Failure Drugs: Inhibitors of Renin-Angiotensin System
Heart Failure Drugs: Diuretics
