Comparison of the long-term results of Roux-en-Y gastric bypass and sleeve gastrectomy for morbid obesity: a systematic review and meta-analysis of randomized and nonrandomized trials.

Roux-en-Y gastric bypass (RYGB) and sleeve gastrectomy (SG) are 2 of the most widely used bariatric procedures today, in this meta-analysis, both techniques were compared for evaluating the efficacy and safety of the treatment of morbid obesity.