Obesity and cardiovascular disease: pathophysiology, evaluation, and effect of weight loss

Paul Poirier1, Thomas D Giles, George A Bray

  • 1Quebec Heart and Lung Institute, Sainte-Foy, Canada. paul.poirier@crhl.ulaval.ca

Insights

Obesity is a growing global health issue linked to serious conditions like cardiovascular diseases (CVD). Excess weight significantly impacts heart health, increasing risks for heart failure and other cardiac complications.

Area of Science:

  • Cardiology
  • Public Health
  • Metabolic Disorders

Background:

  • Obesity is a global epidemic affecting both children and adults.
  • It is associated with numerous co-morbidities including cardiovascular diseases (CVD), type 2 diabetes, hypertension, certain cancers, and sleep apnea.
  • Obesity is an independent risk factor for CVD and is linked to reduced life expectancy.

Purpose of the Study:

  • To summarize the impact of obesity on cardiovascular health.
  • To highlight the cardiac structural and functional alterations associated with excess adipose tissue accumulation.
  • To underscore the link between obesity and various cardiac complications.

Main Methods:

  • Literature review of studies on obesity and cardiovascular health.
  • Analysis of the physiological adaptations in cardiac structure and function due to obesity.
  • Examination of epidemiological data linking obesity to cardiovascular outcomes.

Main Results:

  • Obesity leads to significant adaptations/alterations in cardiac structure and function.
  • Overweight and obesity are associated with increased risks of coronary heart disease, heart failure, and sudden cardiac death.
  • Cardiovascular risks associated with obesity are evident even in childhood.

Conclusions:

  • Obesity poses a substantial threat to cardiovascular health across all age groups.
  • Excess adipose tissue accumulation directly impacts the cardiovascular system, leading to severe complications.
  • Addressing the global obesity epidemic is crucial for reducing the burden of cardiovascular diseases.

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