Retrospective Cohort Study Comparing Laparoscopic One Anastomosis Gastric Bypass and Single Anastomosis Sleeve Ileal for the Treatment of Patients with Morbid Obesity and Effect on GLP-1 level: Short Term Outcomes. | ||
| Ain Shams Journal of Surgery | ||
| Volume 18, Issue 3, July 2025, Pages 199-211 PDF (516.29 K) | ||
| Document Type: Original Article | ||
| DOI: 10.21608/asjs.2025.381620.1199 | ||
| Authors | ||
| Mohamed Mosaad Kandel* 1; Islam El-Sayes2; Reda F. Ali3; Mostafa Refaie Elkeleny2; Mohamed Wael2 | ||
| 1Department of General Surgery, Faculty of Medicine, Port Said University, Egypt | ||
| 2Department of General Surgery, Faculty of Medicine, Alexandria University, Egypt | ||
| 3Department of General Surgery, Faculty of Medicine, Kafr Elshiekh University, Egypt | ||
| Abstract | ||
| Introduction: Bariatric surgery is an effective treatment for morbid obesity, though the optimal procedure remains debated. Laparoscopic one-anastomosis gastric bypass (LOAGB) and single-anastomosis sleeve ileal (SASI) bypass differ in their metabolic effects, particularly regarding glucagon-like peptide-1 (GLP-1), a key regulator of glycemic control. Aim of work: To compare the impact of LOAGB and SASI on weight loss, glycemic improvement, GLP-1 levels, diabetes remission, comorbidity resolution, and postoperative complications. Patients and methods: This retrospective cohort study included patients with severe obesity who underwent LOAGB or SASI. Outcomes at 12 months included %EWL, %EBMIL, HbA1c reduction, GLP-1 response, comorbidity resolution, and complications. Results: Both groups achieved significant weight loss with no difference in %EWL (80.9% vs. 81.2%, p = 0.738) or %EBMIL (93.7% vs. 92.8%, p = 0.285). GLP-1 levels (pmol/L) at 6 months were significantly higher in SASI (11.63 vs. 10.48 pmol/L, p = 0.01). HbA1c decreased in both groups (LOAGB: 10.46% to 5.90%; SASI: 9.89% to 5.12%, p = 0.461). GLP-1 positively correlated with weight loss (r = 0.74) and inversely with HbA1c (r = -0.79), more pronounced in SASI. Diabetes remission was higher in SASI (100% vs. 87.5%), as was hypertension resolution (100% vs. 88.9%). Complication rates, operative time, and hospital stay were similar. Conclusion: LOAGB and SASI both provide effective weight loss and metabolic improvements. SASI yields higher GLP-1 levels and superior diabetes remission, suggesting enhanced metabolic benefits. Further studies are needed to confirm long-term outcomes. | ||
| Keywords | ||
| Glycemic control; one-anastomosis gastric bypass; single anastomosis sleeve ileal bypass; weight loss; glucagon-like peptide-1 | ||
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