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One-Anastomosis Gastric Bypass Versus Roux-en-Y Gastric Bypass as Revisional Surgery After Sleeve Gastrectomy: a Systematic Review and Meta-analysis |
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| Authors: | Dantas Anna Carolina Batista Branco Leonardo Torres Tustumi Francisco de Oliveira Daniel Riccioppo Cerqueira Ferreira Pajecki Denis Santo Marco Aurelio |
| Affiliation: | 1.Unidade de Cirurgia Bariátrica E Metabólica, Disciplina de Cirurgia Do Aparelho Digestivo E Coloproctologia, Departamento de Gastroenterologia, Hospital das Clínicas HCFMUSP, Faculdade de Medicina, Universidade de São Paulo, Sao Paulo, SP, Brazil ;2.Disciplina de Cirurgia Do Aparelho Digestivo E Coloproctologia, Departamento de Gastroenterologia, Hospital das Clínicas HCFMUSP, Faculdade de Medicina, Universidade de São Paulo, Sao Paulo, SP, Brazil ; |
| Abstract: | The demand for revisional bariatric surgery after sleeve gastrectomy (SG) has increased, but the ideal procedure remains unclear. A systematic review and meta-analysis were performed to compare the outcomes of weight loss and safety of one-anastomosis gastric bypass (OAGB) and Roux-en-Y gastric bypass (RYGB) as revisional procedures for failed SG. Four retrospective comparative studies were included, comprising 499 individuals. Patients submitted to OAGB had a more significant total weight loss (TWL) (MD = − 5.89%; 95% CI − 6.80 to − 4.97) after revisional surgery. Overall early complication rate was similar between procedures (RD = 0.04; 95% CI: − 0.05 to 0.12). Limited and heterogeneous data prevent meaningful conclusions, but the present analysis suggests that OAGB has a better TWL after revisional surgery. Graphical abstract |
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