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EFFECTIVENESS OF CARDIAC REHABILITATION IN PATIENTS AFTER HEART VALVE SURGERY AND CORONARY ARTERY BYPASS GRAFTING
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Abstract
Background: Cardiovascular disease is a major cause of death. While valve surgery and CABG improve outcomes, rehabilitation is key to full recovery. Objective: To evaluate the effectiveness of a 6-week inpatient cardiac rehabilitation program on cardiovascular endurance and quality of life after cardiac surgery. Methods: A randomized controlled trial of 216 post-surgical patients was conducted from Jan 2023 to Oct 2024. Patients were randomly assigned to intervention or control groups. After 6 weeks, outcomes (6MWT, Peak VO₂, MET, HRQoL) were evaluated. Results: The intervention group showed significantly greater improvements than the control group: 6MWT increased by 155.37 ± 55.96 m vs 20.79 ± 40.60 m; Peak VO₂ increased by 4.94 ± 2.33 vs decreased by 0.80 ± 2.60 ml/kg/min; MET increased by 1.30 ± 0.68 vs decreased by 0.26 ± 0.90; HRQoL improved by 28.44 ± 9.84 vs 11.13 ± 8.71 (p < 0.001). Factors influencing outcomes included place of residence, gender, and postoperative ejection fraction (EF). Conclusion: A 6-week cardiac rehabilitation program significantly improves exercise capacity, oxygen consumption, and quality of life after cardiac surgery.
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Keywords
Cardiac rehabilitation, 6MWT, Peak VO₂, MET, quality of life
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