Abstract
Background: Stroke survivors often face significant challenges in regaining cardiovascular health, with exercise being a key component of rehabilitation. High-Intensity Interval Training (HIIT) and Traditional Aerobic Exercise are two prominent modalities aimed at improving cardiovascular outcomes in this population. Objective: The study aimed to compare the effects of HIIT and Traditional Aerobic Exercise on cardiovascular health in stroke survivors. Methods: This randomized clinical trial enrolled 46 stroke survivors, equally divided into HIIT and Traditional Aerobic Exercise groups. The study took place at Sadique Polly Clinic, Nawab Town, Lahore, Pakistan. Participants underwent baseline assessments for resting heart rate, systolic and diastolic blood pressure, and total cholesterol levels. Post-intervention, these parameters were re-evaluated. Data analysis involved using SPSS version 25 to compare the effects of the two exercise modalities on cardiovascular health outcomes. Results: Both groups demonstrated improvements in cardiovascular health, but the HIIT group showed a more significant reduction in resting heart rate (change of -5.7 ± 2.9 bpm) compared to the Traditional Aerobic Exercise group (change of -3.9 ± 2.4 bpm), with a p-value of 0.03. Changes in systolic blood pressure (-9.2 ± 4.3 mmHg in HIIT vs. -7.6 ± 3.8 mmHg in Traditional), diastolic blood pressure (-4.3 ± 2.1 mmHg in HIIT vs. -3.7 ± 1.9 mmHg in Traditional), and total cholesterol levels (-11.1 ± 5.2 mg/dL in HIIT vs. -9.5 ± 4.7 mg/dL in Traditional) were observed in both groups but did not reach statistical significance (p > 0.05). Conclusion: Both HIIT and Traditional Aerobic Exercise are effective in enhancing cardiovascular health in stroke survivors. However, HIIT may offer a greater advantage in reducing resting heart rate compared to Traditional Aerobic Exercise.
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