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The impacts of cardiac rehabilitation program on echocardiographic parameters in coronary artery disease patients

Masoumeh Sadeghi1, Mohammad Garakyaraghi2, Mohsen Khosravi3

  • 1Cardiac Rehabilitation Research Center, Isfahan Cardiovascular Research Institute, Isfahan University of Medical Sciences, Isfahan 81465-1148, Iran.

Cardiology Research and Practice
|January 25, 2014
PubMed

Insights

Cardiac rehabilitation (CR) significantly improves left ventricular ejection fraction (LVEF) and exercise capacity in coronary artery disease (CAD) patients with ventricular dysfunction. This exercise-based program enhances cardiac function without negative impacts on left ventricular remodeling.

Area of Science:

  • Cardiology
  • Exercise Physiology
  • Cardiac Rehabilitation

Background:

  • The impact of exercise on coronary artery disease (CAD) patients with left ventricular dysfunction remains debated.
  • Assessing the effects of cardiac rehabilitation (CR) on echocardiographic parameters is crucial for this patient group.

Purpose of the Study:

  • To evaluate the effects of an 8-week exercise-based cardiac rehabilitation program on echocardiography parameters in CAD patients with left ventricular dysfunction.

Main Methods:

  • Seventy patients with CAD and ventricular dysfunction participated in an 8-week exercise-based rehabilitation program.
  • Echocardiography was performed before and after the program to assess left ventricular ejection fraction (LVEF), left ventricular end-diastolic diameter (LVEDD), and left ventricular end-systolic diameter (LVESD).
  • Peak exercise capacity was measured in metabolic equivalents (METs).

Main Results:

  • LVEF significantly increased from 45.14% to 50.44% (P < 0.001).
  • Peak exercise capacity improved from 8.00 METs to 10.08 METs (P < 0.001).
  • No significant changes were observed in LVEDD or LVESD, indicating no adverse left ventricular remodeling.

Conclusions:

  • Exercise training in postmyocardial infarction patients with ventricular dysfunction offers beneficial effects on cardiac function.
  • CR does not adversely affect left ventricular remodeling or lead to serious cardiac complications in this population.

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