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Published on: February 13, 2021
Procalcitonin (PCT) Predicts Worse Outcome in Patients with Chronic Heart Failure with Reduced Ejection Fraction
J Banach1, Ł Wołowiec1, D Rogowicz1
12nd Department of Cardiology, Faculty of Health Sciences, Ludwik Rydygier Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University, Toruń, Poland.
Insights
Elevated procalcitonin (PCT) levels indicate a worse prognosis in patients with heart failure with reduced ejection fraction (HFrEF). Higher PCT concentrations are linked to increased mortality risk over a 24-month period.
Area of Science:
- Cardiology
- Biomarkers
- Prognostics
Background:
- Procalcitonin (PCT) is a sepsis marker, with limited study in cardiology.
- Chronic heart failure with reduced ejection fraction (HFrEF) impacts many patients.
- Prognostic markers for HFrEF are crucial for patient management.
Purpose of the Study:
- Investigate PCT plasma concentration in HFrEF patients.
- Evaluate the prognostic value of PCT in HFrEF.
- Determine PCT's role in predicting outcomes in HFrEF.
Main Methods:
- 130 HFrEF patients and 32 controls were included.
- PCT levels measured on admission; 24-month follow-up.
- Endpoints: all-cause death and HFrEF exacerbation readmission.
Main Results:
- HFrEF patients showed significantly higher PCT than controls (166.95 vs 22.15 pg/ml).
- Elevated PCT observed in patients with peripheral edema.
- PCT demonstrated diagnostic value for HFrEF (AUC 0.91) and predicted mortality (HR 1.002).
Conclusions:
- Elevated PCT concentration is associated with worse outcomes in HFrEF.
- PCT may serve as an additional prognostic marker for HFrEF.
- Further research into PCT's role in heart failure is warranted.
Introduction:
Procalcitonin (PCT) is an excellent marker of sepsis but was not extensively studied in cardiology. The present study investigated PCT plasma concentration in patients with chronic heart failure with reduced ejection fraction (HFrEF) and its prognostic value during 24-month follow-up.
Material And Methods:
Study group consisted of 130 patients with HFrEF (LVEF ≤ 45%) and 32 controls. PCT level was assessed on admission in all patients. Telephone follow-up was performed every three months over a period of 2 years. Endpoints were death of all causes and readmission for HFrEF exacerbation.
Results:
HFrEF patients had significantly higher PCT concentration than controls (166.95 versus 22.15 pg/ml; p < 0.001). Individuals with peripheral oedema had increased PCT comparing to those without oedema (217.07 versus 152.12 pg/ml; p < 0.02). In ROC analysis, PCT turned out to be a valuable diagnostic marker of HFrEF (AUC 0.91; p < 0.001). Kaplan-Meier survival curves revealed that patients with PCT in the 4th quartile had significantly lower probability of survival than those with PCT in the 1st and 2nd quartiles. In univariate, but not multivariate, analysis, procalcitonin turned out to be a significant predictor of death during 24-month follow-up. (HR 1.002; 95% CI 1.000-1.003; p < 0.03).
Conclusions:
Elevated PCT concentration may serve as another predictor of worse outcome in patients with HFrEF.
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