Abstract
Background: The damages in pancreatic b-cell as one of the main pathophysiologies of type 2 diabetes mellitus (T2DM) may result in hypoinsulinemia and hyperglycemia. Physical activity plays an important role in the comprehensive management of diabetes mellitus. This study aimed to understand the effect of routine physical activity on the aortic wall area of T2DM rat model. Methods: This study is an animal model experimental research with a post-test only control group to measure the wall area of the abdominal aorta in diabetic rats after routine physical activity. Induction of T2DM in male Sprague Dawley rat was done by injecting streptozotocin 35 mg/kg intraperitoneally. The diabetic rats were divided into two groups: the first group get physical activity and the second group was not. The control was represented by a group that receive citrate buffer injection. A routine physical activity in low to moderate intensity is given using a special rat treadmill five times a week for nine weeks with a gradual rising of speed at 5–20m/minute for a maximum of 60 minutes. The rat abdominal aorta was stained by hematoxylin-eosin and the wall area was measured by ImageJ. Results: The mean of the wall area in diabetic rats with exercise is 452436.60(+42375.92) um2, in diabetic rats without exercise is 35998.81(+34724.68) um2, and in the control group is 434595.83(+34724.68) um2. The statistical analysis using the Kruskal-Wallis test shows no significant difference between the three groups (p = 0.052). Conclusion: In conclusion, diabetic rats with routine physical activity have a wider abdominal aorta wall area, but it is not statistically significant.
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