Comparison of Three Types of Low-calorie Diets on Blood Glucose and Lipid Control in Diabetic Patients
Keywords:
Low-calorie diet, newly diagnosed diabetes mellitus, blood glucose, serum lipid, HbA1C.Abstract
BACKGROUND: Serum glucose levels can get close to a normal level by an appropriate diet. The present study aims to investigate the effect of low-calorie diets (1200, 1500, 1800 Kcal) on glucose and lipid levels, and HbA1C serum levels of newly diagnosed type II diabetic patients.
MATERIALS AND METHODS: This prospective cross-sectional study was conducted among 68 patients with type II diabetes mellitus, whose disease was recently diagnosed. The study criteria included fasting blood glucose higher than 126 mg/dL, HbA1c higher than 7% and BMI higher than 25. Fasting blood glucose levels, 2-hour post-prandial blood sugar and blood lipids were measured before and after intervention. Then, the patients were trained by an expert. After completing the questionnaires, the data were analyzed.
RESULTS: In this study, the mean fasting blood glucose level in patients who used 1200, 1500 and 1800 kcal diets decreased significantly after intervention (p<0.05). In addition, fasting blood glucose levels and 2-hour post-prandial blood sugar decreased significantly using 1500 and 1800 kcal diets, while the
1200 kcal diet significantly reduced fasting blood glucose, triglyceride (TG), cholesterol (Chol), LDL, and hemoglobin A1C (HbA1c). There was a significant decrease in triglyceride based on the 1500 kcal diet in terms of gender.
CONCLUSION: Using low-calorie diets (1200, 1500 and 1800 kcal) in newly diagnosed diabetic patients can lead to blood sugar and lipid control in these patients, and among these diets, the use of a 1500 kcal diet can be more useful because of lower limitation and better tolerance and acceptance.
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