Abstract

Objective: To determine the beneficial effect of bariatric surgery on the treatment of type 2 diabetes mellitus in obese patients.Patients and methods: This prospective study was conducted in Al-Sader teaching hospital and Al-Musawi privet hospital from August 2013 to August 2017 on 332 patients with body mass index between 35-55, their age was range from 30-60 years, and they were 185 (55.7%) females and 147 (44.3%) males. All patients in this study were diabetic type 2 with different stages of the disease, types of medications, C peptide levels, HbA1c and BMI. They were subjected to three different bariatric procedures; laparoscopic sleeve gastrectomy (LSG), mini gastric bypass (MGB), and laparoscopic Roux-en-Y gastric bypass (LRYGB), they were followed for a period of 1-4 years regarding their glycemic control, HbA1c, type and number of medications.Results: Three hundred and thirty two patients were included in this study, 111 patients (33.5%) had MGB, 88 patients (26.5%) had LRYGB, 133 patients (40%) had LSG according to the following selection criteria; duration and severity of DM, C peptide, other comorbidities and the patients preference Resolution of DM was achieved in 100 patient (90%) of MGB, 77 patient (87%) of LRYGB and 75 patient (57%) of LSG while other patients had no improvement. Conclusion: Bariatric surgery for obese diabetic patients resulted in complete resolution in most patients, improvement of diabetes in some and overall improvement in the quality of life in all patients.