Abstract
Objectives: Type 2 diabetes, a leading cause of cardiovascular disease, is well known for its association with accelerated atherosclerosis. Adiponectin and tumor necrosis factor alpha (TNF-α), which are produced and secreted in adipose tissue, have been suggested as predictors for cardiovascular disease. However, little is known about the influence of adiponectin and TNF-α ratio on the progression of carotid atherosclerosis in newly diagnosed type 2 diabetic patients. This study was conducted to evaluate the influence of serum adiponectin/TNF-α levels on the progression of carotid atherosclerosis. Methods: One hundred eleven newly diagnosed type 2 diabetes patients were enrolled. Anthropometric and biochemical data including serum adiponectin, TNF-α were measured for each participant. Also we measured carotid intima-media thickness (CIMT) at baseline and at 1 year follow-up (n=81). We finally examined the relationship among serum adiponectin over TNF-α levels (ADPN/TNF-α), baseline CIMT, and progression of CIMT at 1 year. Results: ADPN/TNF-α negatively correlated with baseline CIMT (r=-0.231, p=0.025). Moreover, progression of CIMT was significant at 1 year (0.011±0.138 mm). There was a negative correlation between ADPN/TNF-α and progression of CIMT at 1 year (r=-0.172, p=0.038). In multiple regression analysis, age and HbA1c were found to be independent risk factors for baseline CIMT. However, only HbA1c was an independent risk factor for the progression of CIMT. Conclusion: ADPN/TNF-α was negatively associated with baseline CIMT and the progression of CIMT at 1 year. Overall glycemic control is the most important factor in the progression of CIMT in patients with type 2 diabetes.
Published Version
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