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The population burden of heart failure attributable to modifiable risk factors: the ARIC (Atherosclerosis Risk in

Christy L Avery1, Laura R Loehr, Christopher Baggett

  • 1Department of Epidemiology, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27514, USA. christy_avery@unc.edu

Journal of the American College of Cardiology
|October 2, 2012
PubMed

Insights

Reducing diabetes prevalence by 5% could prevent 30,000 heart failure cases annually in the U.S. This highlights the significant impact of managing modifiable risk factors on heart failure incidence.

Area of Science:

  • Cardiovascular epidemiology
  • Public health research
  • Chronic disease management

Background:

  • Heart failure (HF) is a significant public health concern, characterized by high morbidity, mortality, and healthcare costs.
  • While HF is prevalent, the population-level impact of modifiable risk factors remains under-evaluated.
  • Investigating modifiable risk factors is crucial for developing effective prevention strategies for heart failure.

Purpose of the Study:

  • To estimate the population burden of heart failure (HF).
  • To assess the influence of five modifiable risk factors on HF incidence.
  • To quantify the potential reduction in HF incidence through risk factor modification.

Main Methods:

  • Analysis of 14,709 participants from the Atherosclerosis Risk in Communities (ARIC) study.
  • Estimation of incidence rate differences (IRD) for associations between smoking, diabetes, high LDL, hypertension, obesity, and HF.
  • Calculation of potential impact fractions to model HF incidence reduction with a 5% decrease in risk factor prevalence.

Main Results:

  • Over 17.6 years, 1 in 3 African American and 1 in 4 Caucasian participants were hospitalized for heart failure.
  • Diabetes exhibited the largest IRD, contributing to 1,058/100,000 person-years in African Americans and 660/100,000 in Caucasians.
  • A 5% reduction in diabetes prevalence could prevent ~30,000 heart failure cases annually in the U.S. population.

Conclusions:

  • Modest reductions in modifiable risk factors, particularly diabetes, can significantly lower heart failure incidence.
  • Targeting modifiable risk factors offers a viable strategy for reducing the population burden of heart failure.
  • Public health interventions focused on risk factor management are essential for preventing heart failure.
Abstract

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