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Risks and benefits of weight loss in heart failure

Carl J Lavie1, Martin A Alpert2, Hector O Ventura3

  • 1Department of Cardiovascular Diseases, John Ochsner Heart and Vascular Institute, Ochsner Clinical School, The University of Queensland School of Medicine, 1514 Jefferson Highway, New Orleans, LA 70121-2483, USA; Cardiac Rehabilitation, Exercise Laboratories, John Ochsner Heart and Vascular Institute, Ochsner Clinical School, The University of Queensland School of Medicine, 1514 Jefferson Highway, New Orleans, LA 70121-2483, USA; Department of Preventive Medicine, Pennington Biomedical Research Center, Louisiana State University System, 6400 Perkins Road, Baton Rouge, LA 70808, USA.

Heart Failure Clinics
|November 30, 2014
PubMed

Insights

Obesity increases cardiovascular disease (CVD) risk, including heart failure (HF). While obese HF patients have better outcomes (the obesity paradox), the benefits of weight loss in HF remain debated, distinguishing healthy from unhealthy weight loss.

Area of Science:

  • Cardiology
  • Obesity Medicine
  • Public Health

Background:

  • Obesity is a significant risk factor for cardiovascular disease (CVD), particularly heart failure (HF).
  • Obese patients with HF exhibit a better prognosis compared to their lean counterparts, a phenomenon known as the obesity paradox.
  • Weight loss in HF patients generally improves cardiac function and functional capacity, yet its overall role remains controversial.

Purpose of the Study:

  • To critically evaluate the benefits and drawbacks of weight loss in patients with heart failure.
  • To differentiate between purposeful (healthy) and nonpurposeful (unhealthy) weight loss in the context of HF.
  • To inform clinical decision-making regarding weight management strategies for individuals with obesity and HF.

Main Methods:

  • Review of existing literature on obesity, cardiovascular disease, and heart failure.
  • Analysis of studies investigating the effects of weight loss on cardiac structure and function.
  • Discussion of the 'obesity paradox' in heart failure.
  • Categorization of weight loss into purposeful and nonpurposeful types.

Main Results:

  • Obesity is linked to numerous CVD risk factors and elevates the incidence of most CVDs, including HF.
  • Despite the increased risk, obese individuals with HF demonstrate a surprisingly better prognosis than lean individuals.
  • Weight loss interventions can lead to improvements in ventricular function and New York Heart Association class in HF patients.

Conclusions:

  • The role of weight loss in managing heart failure is complex and warrants careful consideration.
  • Distinguishing between healthy and unhealthy weight loss is crucial for optimizing patient outcomes.
  • Further research is needed to clarify the optimal weight management strategies for obese patients with HF.

Keywords:
Cardiovascular diseaseHeart failureObesityWeight loss

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