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Effect of exercise training program in post-CRET post-CABG patients with normal and subnormal ejection fraction (EF >

Basit Ansari1, Masood A Qureshi2, Raheela Rahmat Zohra3

  • 1Department of Health & Physical Education, University of Karachi, Karachi, Pakistan.

Pakistan Journal of Pharmaceutical Sciences
|June 6, 2015
PubMed

Insights

Cardiac rehabilitation exercise training programs significantly improve heart function in post-coronary artery bypass grafting (CABG) patients. Exercise benefits both normal and subnormal ejection fraction (EF) groups, enhancing recovery and exercise capacity.

Area of Science:

  • Cardiology
  • Exercise Physiology
  • Rehabilitation Medicine

Background:

  • Coronary Artery Bypass Grafting (CABG) surgery is a common intervention for severe coronary artery disease.
  • Post-CABG patients often require structured rehabilitation to optimize recovery and cardiac function.
  • Ejection Fraction (EF) is a key indicator of cardiac health, with implications for exercise tolerance and outcomes.

Purpose of the Study:

  • To compare the effects of a 6-week exercise training program on post-CABG patients with normal (EF >50%) and subnormal (EF <50%) ejection fractions.
  • To evaluate the impact of exercise on heart rate (HR) and blood pressure (BP) in these patient groups.
  • To assess the overall benefit of exercise in improving cardiac function and exercise capacity post-CABG.

Main Methods:

  • A prospective study involving 100 post-CABG patients (age 57-65 years) undergoing cardiac rehabilitation.
  • Patients participated in a 6-week exercise program including treadmill and recumbent bike sessions, monitored using Borg's scale.
  • Heart Rate (HR) and Blood Pressure (BP) were measured at baseline and post-intervention; statistical analyses were applied.

Main Results:

  • Exercise training significantly improved systolic blood pressure and heart rate in post-CABG patients, irrespective of their baseline ejection fraction.
  • Significant improvements in cardiac function were observed within four to six weeks of the exercise program.
  • Both normal and subnormal EF groups demonstrated similar positive responses to the exercise training regimen.

Conclusions:

  • A structured exercise training program is beneficial for post-CABG patients, leading to improved cardiac function and exercise capacity.
  • The positive effects of exercise rehabilitation are evident in patients with varying ejection fractions post-CABG.
  • Exercise programs are crucial components of recovery, enhancing functional outcomes in Pakistani CABG patients.

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