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Effects of Heart Rate Fluctuation on Aerobic Training Outcomes in Patients With Stable Coronary Artery Disease: A

Jun Hong Liu1, Hui Hui Song2, Hua Fang Zhang1

  • 1The Third Department of Geriatrics, Weifang People's Hospital, Weifang 261042, Shandong, China.

Cardiology Research
|December 19, 2024
PubMed

Insights

Aerobic training with a narrower heart rate range significantly improved cardiac function and recovery in stable coronary artery disease (CAD) patients. This finding suggests optimized heart rate modulation for cardiac rehabilitation protocols.

Area of Science:

  • Cardiology
  • Exercise Physiology
  • Rehabilitation Medicine

Background:

  • Stable coronary artery disease (CAD) requires effective rehabilitation strategies.
  • Aerobic training is a cornerstone of cardiac rehabilitation.
  • Optimizing training parameters, such as heart rate fluctuation, may enhance patient outcomes.

Purpose of the Study:

  • To evaluate the impact of different heart rate fluctuation ranges during aerobic training on outcomes in stable CAD patients.
  • To compare the effectiveness of medium-intensity heart rate small range (MIS) and medium-intensity heart rate large range (MIL) training against standard care.
  • To assess the influence of heart rate modulation on cardiopulmonary function and exercise performance.

Main Methods:

  • Ninety-seven stable CAD patients were randomized into control (CON), MIS, and MIL groups.
  • MIS and MIL groups underwent personalized aerobic training with targeted heart rate fluctuation ranges.
  • Assessments included resting heart rate (RHR), maximum heart rate (HRmax), heart rate recovery (HRR), and 6-min walk test (6MWT) at baseline and 16 weeks.

Main Results:

  • The MIS group showed a significant reduction in RHR compared to CON and MIL groups.
  • Both exercise groups improved HRR, but only MIS achieved statistical significance versus CON.
  • HRmax and 6MWT performance increased in MIS and MIL groups, with MIL showing statistical significance versus CON.

Conclusions:

  • Different heart rate modulation strategies during aerobic training yield distinct effects on cardiopulmonary function in CAD patients.
  • Maintaining a narrower heart rate fluctuation (MIS group) significantly enhanced rehabilitation effectiveness.
  • These findings may inform new or optimized treatment protocols for cardiovascular conditions, potentially integrating 6MWT and power bicycle training.
Abstract

Keywords:
Aerobic exerciseCoronary artery diseaseExercise intensity

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