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Related Experiment Videos

Exercise training in heart failure

A Afzal1, C A Brawner, S J Keteyian

  • 1Henry Ford Heart and Vascular Institute and Department of Internal Medicine, Detroit, MI, USA.

Progress in Cardiovascular Diseases
|January 1, 1999
PubMed
Summary

Regular exercise training is safe and effective for patients with heart failure (HF). Moderate physical activity improves exercise tolerance, reduces sympathetic nervous system activity, and enhances quality of life in stable HF patients.

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Area of Science:

  • Cardiology
  • Exercise Physiology
  • Rehabilitation Medicine

Background:

  • Heart failure (HF) presents complex clinical, pathophysiologic, and psychologic challenges.
  • Historically, exercise training was contraindicated in HF patients due to safety concerns.

Purpose of the Study:

  • To evaluate the safety and efficacy of exercise training in patients with stable heart failure.
  • To assess the impact of exercise on exercise tolerance, autonomic function, skeletal muscle, and quality of life in HF.

Main Methods:

  • Review of randomized and nonrandomized trials investigating exercise training in heart failure.
  • Focus on patients with stable Class II and III heart failure.
  • Prescribed moderate-intensity physical activity (e.g., walking, cycling) for 30-60 minutes, 3-5 days/week, at 60-70% peak oxygen consumption.

Main Results:

  • Exercise training demonstrated safety in stable Class II and III heart failure patients.
  • Significant improvements observed in exercise tolerance.
  • Attenuation of sympathetic nervous system overactivation, partial reversal of skeletal muscle abnormalities, and enhanced health-related quality of life.

Conclusions:

  • Regular, moderate exercise training is a safe and beneficial therapeutic strategy for stable heart failure.
  • Exercise interventions can positively impact key physiological and psychologic parameters in HF.
  • Further large-scale trials are warranted to determine effects on morbidity, mortality, and cost-effectiveness.

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