Caspian Journal of Internal Medicine

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Background: The association of HP and insulin resistance degree (IR) has not been evaluated in the diabetic patients so far. In this study, we evaluated the association between HP seropositivity and the homeostatic model assessment for insulin resistance (HOMA-IR) in diabetic patients. Methods: In this study, 211 diabetic patients admitted to the endocrinology clinic of Shahid Beheshti Hospital of Qom for routine diabetic check-ups were evaluated. The patients were divided into HP+ and HP- groups based on the seropositivity of helicobacter pylori IgG antibody. The serum H. pylori IgG antibody, blood sugar, serum insulin, HbA1c, LDL, HDL, cholesterol, triglyceride, HOMA-IR and BMI were measured. Seropositivity for H. pylori was detected based on the serum titers of >30 AU/mL. Results: We found that serum insulin (HP-=6.97±5.64 vs. HP+=10.12±7.72, P=0.002) and insulin resistance degree (HP-=3.160±3.327 vs. HP+=4.484±3.781, P=0.013) is significantly higher in HP+ group. We also found that there is no significant difference between these groups according to the short-term or the long-term indices of glycemic control as well as most of the diabetic risk factors or complications. The treatment type was also not significantly different between these groups. Conclusion: It seems that the HP+ diabetic patients require higher levels of serum insulin to reach the same degree of glycemic control compared to the HP- ones.

Keywords: Diabetes, Helicobacter pylori, Insulin Resistance

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