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Updated: Jun 1, 2025
Author Spotlight: Exploring the Relationship Between Lipotoxicity and HFpEF
Published on: March 29, 2024
Association of LDL-cholesterol with prognosis in patients admitted for acutely decompensated heart failure
Joana Brito1, João Rin1, Catarina Duarte2
1Cardiology Department, Centro Hospitalar Universitário Lisboa Norte, Lisboa, Portugal; Centro Cardiovascular da Universidade de Lisboa (CCUL@RISE), Faculdade de Medicina da Universidade de Lisboa, Lisboa, Portugal.
Insights
Higher low-density lipoprotein cholesterol (LDL-C) levels are linked to better survival in heart failure (HF) patients. An LDL-C below 88 mg/dL was associated with increased mortality risk in this population.
Area of Science:
- Cardiology
- Clinical Research
- Biomarkers
Background:
- The prognostic role of low-density lipoprotein cholesterol (LDL-C) in heart failure (HF) is not well-defined.
- Uncertainty exists regarding the optimal LDL-C targets for patients with acutely decompensated HF.
Purpose of the Study:
- To investigate the prognostic significance of LDL-C levels in patients hospitalized for acute HF.
- To determine a safe LDL-C cut-off value associated with mortality risk in this cohort.
Main Methods:
- Retrospective observational study of 167 consecutive patients admitted for acute HF.
- LDL-C measured on admission; patients stratified by cardiovascular risk.
- Primary endpoint: 1-year all-cause mortality; secondary endpoints: HF hospitalizations, thrombotic events, net clinical benefit.
Main Results:
- Higher LDL-C levels were independently associated with improved survival.
- A 4-fold increase in survival probability was observed for every 1 mg/dL rise in LDL-C.
- An LDL-C level below 88 mg/dL was linked to significantly higher mortality and a trend towards increased HF hospitalizations.
Conclusions:
- In patients with acute decompensated HF, elevated LDL-C correlates with a reduced mortality risk.
- An LDL-C threshold below 88 mg/dL indicates increased mortality, suggesting a need for more liberal LDL-C targets in HF management.
- LDL-C levels are crucial for risk stratification and management strategies in heart failure patients.
Introduction And Objectives:
The association of low-density lipoprotein cholesterol (LDL-C) levels and prognosis in patients with heart failure (HF) remains uncertain. This study aimed to evaluate the prognostic significance of LDL-C in patients admitted for acutely decompensated HF and establish a safety cut-off value in this population.
Methods:
This retrospective, observational study included 167 consecutive patients admitted for acute HF. LDL-C levels were measured on hospital admission, and patients were categorized according to their estimated cardiovascular (CV) risk. The primary endpoint was all-cause mortality at one-year, while secondary endpoints included HF hospitalizations, major thrombotic events, and net clinical benefit.
Results:
During the follow-up period, 14.4% of patients died. Higher LDL-C levels were independently associated with improved survival, with a 4-fold increase in survival probability for each 1 mg/dL increase in serum LDL-C. The minimum LDL-C value not associated with increased mortality risk was 88 mg/dL. Patients with LDL-C below this cut-off had a significantly higher risk of mortality and a tendency for higher HF hospitalization risk. The net clinical benefit endpoint was also influenced by LDL-C levels, with LDL-C below 88 mg/dL associated with an increased risk of events.
Conclusion:
In patients admitted for acutely decompensated HF, higher LDL-C levels were associated with reduced risk of mortality. An LDL-C value below 88 mg/dL was associated with increased mortality, suggesting the need for a more liberal LDL-C target in this specific patient population. These findings highlight the importance of considering LDL-C levels in the management and risk assessment of patients with HF.
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