Context

The prevalence of obesity has continued to increase worldwide.1 It is well established that bariatric surgery is an effective treatment for obesity.2 However, few studies have looked at long-term outcomes and for those that do, follow-up is frequently poor. This systemic review examines the association of bariatric surgery with the outcomes of weight loss and dia-betes, hypertension and hyperlipidaemia resolution in studies of at least 2 years duration with adequate follow-up of patients. It compares the three most common types of bariatric surgery. Methods This was a systematic review of randomised controlled trials (RCTs) and observational studies of at least 50 adult patients who were undergoing gastric bypass, gastric band or sleeve gastrectomy, with at least 2 years of follow-up and at least 80 % follow-up of patients for the outcome mea-sures. Outcome measures included percentage of excess weight lost, type 2 diabetes, hypertension and hyperlipidaemia. The review clearly state