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Improved endothelial function following a 14-month resistance exercise training program in adults with type 2
N D Cohen1, D W Dunstan, C Robinson
1International Diabetes Institute, 250 Kooyong Road, Caulfield, Melbourne, VIC 3162, Australia. ncohen@idi.org.au
Diabetes Research and Clinical Practice
|November 17, 2007
Summary
Progressive resistance training (PRT) improves endothelial function in type 2 diabetes patients. Both supervised and home-based programs showed benefits, with glycemic control being a key factor in long-term vascular health.
Area of Science:
- Cardiovascular Physiology
- Metabolic Health
- Exercise Science
Background:
- Type 2 diabetes is associated with impaired endothelial function, increasing cardiovascular risk.
- Progressive resistance training (PRT) is a potential intervention to improve vascular health in this population.
Purpose of the Study:
- To investigate the 14-month effects of PRT on endothelial function in type 2 diabetes patients.
- To compare outcomes between supervised (Center) and non-supervised (Home) training groups.
Main Methods:
- 28 type 2 diabetes patients underwent a 14-month PRT program (2 months supervised, 12 months maintenance).
- Endothelial function was assessed via laser doppler flowmetry measuring vascular response (VR) to acetylcholine (ACh) and sodium nitroprusside (NaNP) iontophoresis.
- Measurements included VR, HbA1c, weight, and blood pressure at baseline, 2 months, and 14 months.
Main Results:
- Significant improvements in VR to ACh and NaNP were observed at 14 months in both Center and Home groups compared to baseline.
- No significant differences in VR were found between the supervised and non-supervised groups.
- Strong correlations were found between baseline HbA1c and VR at 14 months, indicating glycemic control's role.
Conclusions:
- A 14-month PRT program effectively enhances endothelial function in type 2 diabetes patients, regardless of supervision level.
- Glycemic control, reflected by HbA1c levels, is strongly associated with long-term improvements in endothelial function.
- Both supervised and home-based PRT are viable strategies for improving vascular health in type 2 diabetes.
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