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  • Title: The effect of short-term glycemic regulation with gliclazide and metformin on postprandial lipemia.
    Author: Emral R, Köseoğlulari O, Tonyukuk V, Uysal AR, Kamel N, Corapçioğlu D.
    Journal: Exp Clin Endocrinol Diabetes; 2005 Feb; 113(2):80-4. PubMed ID: 15772898.
    Abstract:
    AIM: Exaggerated postprandial lipemia is now accepted as an independent risk factor in atherogenesis in type 2 diabetes mellitus. We investigated if better glycemic control improves fasting and postprandial lipid profile in type 2 diabetic patients in the short-term. METHODS: Thirty-two type 2 diabetic patients were studied before and after desired glycemic regulation with gliclazide and metformin. Basal levels of glucose, total cholesterol, high density lipoprotein, low density lipoprotein, triglyceride, insulin, and C-peptide were evaluated at fasting state. Afterwards, patients were given a standard 400-kcal mixed meal as a breakfast, contaning 35 % fat. At the 2nd and the 4th hours after the breakfast, postprandial glucose, triglyceride, insulin, and C-peptide levels were determined again. RESULTS: Significant decrease was observed in total cholesterol levels after better glycemic regulation (p<0.05). Besides, triglyceride levels decreased significantly from 175.36+/-17.85 mg/dl to 138.73+/-14.93 mg/dl at fasting state (p<0.05), from 197.26+/-20.85 mg/dl to 154.15+/-14.61 mg/dl at the 2nd hour after mixed meal (p<0.05), and from 209.63+/-28.54 mg/dl to 155.63+/-15.68 mg/dl (p<0.05) at the 4th hour after the mixed meal, when better glycemic profile was provided. Area under curve for triglyceride levels decreased significantly with the better glycemic regulation (p<0.01). CONCLUSIONS: Improved glycemic regulation can lower the raised fasting and postprandial triglyceride levels which are important atherosclerotic risk factors in diabetic patients even in short-term. Since this improvement in triglyceride levels comes early, diabetic patients can be evaluated for fasting and postprandial triglyceride levels in the first month of therapy.
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