Obesity continues to be a major public health problem worldwide. Bariatric surgery is an effective treatment for severe obesity that results in the improvement or remission of many obesity-related comorbid conditions, almost 40 medical disease described as well as sustained weight loss and improvement in quality of life.
The most common bariatric operations performed worldwide are laparoscopic sleeve gastrectomy, laparoscopic Roux-en-Y gastric bypass, laparoscopic adjustable gastric banding, laparoscopic mini gastric bypass and duodenal switch. Bariatric surgery is now safe, with complications comparable to common elective general surgical operations. Level 1 evidence show that bariatric surgery provides superior short-term and long-term weight loss and improvement of type 2 diabetes mellitus compared with conventional medical therapy
