Diabetes & Metabolism Journal

Original Article

Arterial Stiffness by Aerobic Exercise Is Related with Aerobic Capacity, Physical Activity Energy Expenditure and Total Fat but not with Insulin Sensitivity in Obese Female Patients with Type 2 Diabetes: Ji Yeon Jung, Kyung Wan Min, Hee Jung Ahn, Hwi Ryun Kwon, Jae Hyuk Lee, Kang Seo Park, Kyung Ah Han; Diabetes Metab J. 2014;38(6):439-448. Published online December 15, 2014; DOI: https://doi.org/10.4093/dmj.2014.38.6.439

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Background

Arterial stiffness is an important factor in atherosclerosis. Thus we examined whether aerobic exercise could reduce arterial stiffness in obese women with type 2 diabetes without diabetic complication.

Methods

A total of 35 women with type 2 diabetes (body mass index, 26.6±2.8 kg/m²; age, 56.4±1.9 years; duration of diabetes, 4.7±4.8 years) were assigned to aerobic exercise group (AEG) or control group (CG). AEG completed a 12-week exercise program (3.6 to 5.2 metabolic equivalents, 3 day/week, 60 min/day), with their exercise activities monitored by accelerometers. We measured abdominal total fat area (TFA), visceral fat area (VFA), and subcutaneous fat area (SFA) by computed tomography, insulin sensitivity by insulin tolerance test (K_ITT), and augmentation index (AIx) by SphygmoCor at baseline and at the end of the 12-week program.

Results

The AIx was improved in the AEG compared with the CG (P<0.001). The percent change of AIx had significant correlation with the improvement of physical activity energy expenditure (PAEE), aerobic capacity, TFA, and SFA (r=-0.416, P=0.013; r=0.560, P<0.001; r=0.489, P=0.003; r=0.531, P=0.001, respectively), but not with insulin sensitivity, energy intake, or VFA.

Conclusion

Improvement in aortic stiffness by aerobic exercise is related with the improvement of aerobic capacity, PAEE, and total fat but not with insulin sensitivity or energy intake in obese women with type 2 diabetes.

Citations

Citations to this article as recorded by

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