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High-Intensity Interval Training vs Moderate-Intensity Continuous Training in Phase II Cardiac Rehabilitation
Sponsor: Riphah International University
Summary
This randomized controlled trial aims to compare the effects of High-Intensity Interval Training (HIIT) and Moderate-Intensity Continuous Training (MICT) in patients undergoing Phase II cardiac rehabilitation after coronary artery disease or post-angioplasty. A total of 66 participants will be randomly allocated into two groups: HIIT (n=33) and MICT (n=33). The intervention will be conducted 3 times per week using treadmill-based exercise protocols under heart rate monitoring. Primary outcomes include changes in left ventricular ejection fraction, functional capacity measured by 6-minute walk test, and lipid profile parameters before and after intervention. Secondary assessment includes health-related quality of life (HRQoL). The study aims to determine which exercise modality provides superior cardiovascular and functional improvement in stable cardiac patients during supervised rehabilitation.
Official title: Effects of High-Intensity Interval Training vs Moderate-Intensity Continuous Training on Ejection Fraction, Functional Capacity, and Lipid Profiles in Phase II Cardiac Rehabilitation
Key Details
Gender
All
Age Range
18 Years - 60 Years
Study Type
INTERVENTIONAL
Enrollment
66
Start Date
2026-06
Completion Date
2026-08
Last Updated
2026-06-02
Healthy Volunteers
No
Conditions
Interventions
High-Intensity Interval Training
Participants will perform supervised treadmill-based high-intensity interval training 3 times per week. Each session includes 10 minutes warm-up, 4 intervals of 4 minutes at 85-95% heart rate reserve, 4 minutes active recovery at 50-60% heart rate reserve, followed by 5 minutes cool-down.
Moderate-Intensity Continuous Training
Participants will perform supervised treadmill-based continuous exercise 3 times per week at 65-75% heart rate reserve for 30-45 minutes, including warm-up and cool-down periods.
Locations (1)
Ch Pervaiz Elahi institute of cardiology Multan.
Multan, Punjab Province, Pakistan