Medicine
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This repository contains the published and unpublished research of the Faculty of Medicine by the staff members of the faculty
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Item Metformin: use as a pharmacological agent in management of childhood obesity(Sri Lanka Medical Association, 2016) Warnakulasuriya, L.S.; Fernando, M.A.M.; Adikaram, A.V.N.; Thawfeek, A.R.M.; Anurasiri, W.M.L.; Silva, K.D.R.R.; Sirasa, M.S.F.; Samaranayake, D.; Wickramasinghe, V.P.INTRODUCTION: Childhood obesity-related metabolic derangements are increasing among South Asian populations. Dietary and physical activity plans have limited effect. OBJECTIVES: This study aims to assess effectiveness of metformin against placebo in management of childhood obesity among 8-16 year-old children in Gampaha District. METHOD: A triple-blinded control trial was conducted in a sample of 150 obese school children. After 12-hour overnight fast, blood was drawn for fasting blood glucose (FBS) and lipid profile. 2-hour OGTT was done. Anthropometry, fat mass (FM) and blood pressure were measured. Children randomly received either age-adjusted dose of metformin or placebo, with advice on diet and physical activity. Anthropometry and blood investigations were repeated at 6 and 12 months. Mean difference in outcome measures, adjusted for baseline values were compared between the two groups using ANOVA. RESULTS: There were 84/150 boys and 25 (16.7%) had metabolic syndrome. A statistically significant adjusted mean reduction was observed in metformin group compared to placebo, in weight (-0.991 vs 1.394, p=0.000), BMI-SDS (-0.287 vs -0.116, p=0.000), percentage FM-SDS (-0.092 vs 0.016, p=0.04), systolic BP (-0.415 vs 0.015, p=0.015), total cholesterol (-36.48 vs -27.32, p=0.001), LDL (-26.06 vs -17.22, p=0.001) and hsCRP(-0.143 vs 0.008, p=0.013) at six months, and in BMI-SDS (-370 vs -0.222, p=0.001), WC-SDS (-0.473 vs -0.337, p=0.018), systolic BP (-0.834 vs -0.477, p=0.023) and triglycerides (-29.30 vs-12,72, p=0.019) at 12 months. CONCLUSIONS: Metformin compared to placebo has beneficial effects on anthropometric and metabolic indicators in the management of childhood obesity.Item Comparison of metformin versus other treatment modalities in gestational diabetes mellitus(Society for Advance Healthcare Research, Maharashtra, India, 2016) Ekanayake, C.D.; Wijesinghe, P.S.; Herath, R.; Puliyadda, N.; Nishad, N.INTRODUCTION: Despite evidence to prove both its efficacy and safety, use of metformin is at most restricted to only as an adjunct to insulin preparations. We compared the maternal, fetal and neonatal outcomes associated with GDM in women treated with metformin versus those treated with diet alone and diet plus insulin. Method: An observational study was carried out over a period of six months in 104 GDM patients. Study groups were 43 patients on diet alone (group A), 42 on metformin plus diet (group B), and 19 on diet plus insulin (group C). Maternal, fetal and neonatal outcomes were compared. Results: Fourteen patients in group B subsequently required supplemental insulin. Gestational hypertension 5(12%), 4(10%), 5(26%) (p=0.8) and wound infection among 2(5%), 1(2%), 0(0%) (p=0.6) were seen in groups A, B and C respectively. Four patients with polyhydramnios were seen in group B. Mean birth weights were A=3.07kg, B=3.07kg, C=3.1kg (p=0.96). Macrosomia 5 (12%), 3 (7%), 3 (16%) (p=0.2), neonatal hypoglycemia 2 (5%), 2 (5%), 2 (11%) (p=0.4), five minute Apgar scores 9.9, 9.7, 9.9, and neonatal jaundice 5(12%), 4(10%), 3(16%) (p=0.04) were noted in in groups A, B and C respectively. Single case of respiratory distress was seen in the insulin group. Shoulder dystocia and perinatal deaths were not observed. Conclusion: Maternal and perinatal outcomes were similar among diet alone, diet plus metformin, and diet plus insulin groups. Cost-effectiveness, easy administration, safety profile and convenience of storage would make metformin an attractive option in the management of gestational diabetes mellitus.