Hemoconcentration is a valuable predictor of prognosis in patients with acute heart failure

Area of Science:

• Cardiology
• Clinical Medicine
• Medical Diagnostics

Background:

• Acute heart failure (AHF) poses significant challenges in prognosis prediction.
• Traditional prognostic markers like B-type natriuretic peptide (BNP) and creatinine have limitations.
• The utility of hemoconcentration (HCT) as a prognostic indicator in AHF requires further investigation.

Purpose of the Study:

• To evaluate the predictive value of hemoconcentration (HCT) for the prognosis of patients with acute heart failure (AHF).
• To compare the prognostic significance of HCT with established predictors such as BNP and creatinine.
• To assess the convenience and cost-effectiveness of HCT measurement in clinical practice.

Main Methods:

• Retrospective study involving 188 patients diagnosed with AHF.
• Patients were stratified into four groups based on HCT values.
• Primary endpoint: cardiac-associated death or re-hospitalization due to HF exacerbation within 2 years.
• Statistical analyses included receiver operating characteristic (ROC) curve analysis, Kaplan-Meier survival analysis, and Cox-proportional hazards regression.

Main Results:

• The area under the ROC curve (AUC) for HCT was 0.610 (P<0.001), indicating its prognostic significance.
• Kaplan-Meier analysis showed that higher HCT levels were associated with a lower rate of death or re-hospitalization (χ²=9.442, P=0.024).
• Cox regression identified HCT, hemoglobin, BNP, NYHA class, and serum creatinine as independent prognostic factors in AHF.

Conclusions:

• Hemoconcentration (HCT) is a valuable and independent predictor of prognosis in patients with acute heart failure (AHF).
• Higher HCT levels are linked to better 2-year survival rates.
• HCT measurement is a convenient, economical, and widely applicable tool for prognostic assessment in AHF, potentially serving as an alternative to BNP.