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:: Volume 15, Issue 5 (2-2014) ::
2014, 15(5): 450-455 Back to browse issues page
Is Insulin Resistance a Contributor Risk Factor For Diabetic Retinopathy in Type 2 Diabetes?
Shokoufeh Bonakdaran Dr , Mohammad ali Yaghoubi Dr
mashhad university of medical siences
Abstract:   (5628 Views)

Introduction: Retinopathy is the most common long-term complication of diabetes mellitus, and  diabetic retinopathy is a complex disease, in which that inflammation plays a critical role. The aim of this study was to evaluate the association between insulin resistance as a known inflammatory marker and diabetic retinopathy in type 2 diabetes. Methods and Materials: In this study 342 patients with type 2 diabetes were enrolled, and their demographic data were recorded. HbA1c, FBS, lipid profiles and insulin levels were measured for all patients. Insulin resistance was calculated by the homeostatic model assessment of insulin resistance(HOMA-IR) formula. Following ophth­almologic examination (fundoscopy) patients were divided according to retinal invol­vement. The relation between HOMA-IR with diabetic retinopathy was evaluated. Results: Mean age of patients was 55.05± 9.8 years, and 30.4% of all patients had diabetic retinopathy. This analysis showed that HbA1c and duration of diabetes are the only independent predictive factors for diabetic retinopathy. Insulin resistance was not significantly different between patients with and without retinopathy but median level of HOMA–IR was significantly higher in patients with diabetic proliferative retinopathy compared with patients with non proliferative diabetic retinopathy (2.1(0.7-6.6) Vs 1.2(0.5-2.8), P=0.021). Conclusions: This data suggests that the insulin resistance may play a role in diabetic retinopathy in type 2 diabetes.

Keywords: Insulin resistance- Diabetes- Retinopathy- Inflammation
Full-Text [PDF 274 kb]   (2013 Downloads)    
Type of Study: Original | Subject: Endocrinology
Received: 2012/10/21 | Accepted: 2013/02/3 | Published: 2014/01/29
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bonakdaran S, yaghoubi M A. Is Insulin Resistance a Contributor Risk Factor For Diabetic Retinopathy in Type 2 Diabetes? . Iranian Journal of Endocrinology and Metabolism. 2014; 15 (5) :450-455
URL: http://ijem.sbmu.ac.ir/article-1-1452-en.html


Volume 15, Issue 5 (2-2014) Back to browse issues page
مجله ی غدد درون‌ریز و متابولیسم ایران، دو ماهنامه  پژوهشی مرکز تحقیقات غدد درون‌ریز و متابولیسم، Iranian Journal of Endocrinology and Metabolism
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