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Updated: Apr 28, 2026

Lumped-Parameter and Finite Element Modeling of Heart Failure with Preserved Ejection Fraction
Published on: February 13, 2021
[Epidemiology and natural history of cardiac failure]
1Hôpital cardio-vasculaire et pneumologique Louis Pradel Service de cardiologie, Lyon.
Insights
Congestive heart failure (CHF) is a significant health issue, particularly in older adults, with poor survival rates and impaired quality of life. Key factors like functional class and natremia impact prognosis.
Area of Science:
- Cardiology
- Public Health
- Epidemiology
Context:
- Congestive heart failure (CHF) represents a substantial and escalating global health challenge.
- Prevalence increases significantly with age, affecting 3-20 individuals per 1,000.
- Coronary heart disease and idiopathic cardiomyopathy are primary underlying causes in 50% and 20% of cases, respectively.
Purpose:
- To summarize the epidemiology, prognosis, and impact of congestive heart failure.
- To highlight key prognostic indicators for heart failure patients.
Summary:
- Heart failure affects a considerable portion of the population, with prevalence rising sharply with age.
- Five-year survival rates post-diagnosis are low (25% for men, 38% for women), and mortality is significantly higher than in the general population.
- Functional class, natremia, and left ventricular ejection fraction are identified as critical prognostic factors.
Impact:
- CHF severely diminishes patients' quality of life.
- Understanding prognostic factors is crucial for managing heart failure and improving patient outcomes.
- This condition places a significant burden on public health systems.
Abstract:
Congestive heart failure is a major and growing public health problem. Its prevalence is 3-20 per 1,000, and increases steeply with age. Coronary heart disease is the underlying cause in 50% of the cases, idiopathic cardiomyopathy in 20%. Survival at 5 years after the onset of heart failure in the Framingham study was 25% in men and 38% in women; the mortality rate of heart failure patients was 6-7 times that of the general population. Three variables--functional class, natremia, left ventricular ejection fraction--are powerful prognostic factors. Quality of life of heart failure patients is severely impaired.
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