Beatrice Leyaro, Lyz Howie, Kevin McMahon, Abdulmajid Ali, Raymond Carragher
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Weight loss outcomes and associated factors after metabolic bariatric surgery: Analysis of routine clinical data in Scotland.
Background: Bariatric surgery is a cornerstone intervention for individuals with severe obesity, offering substantial and sustainable weight loss.
Methods: This retrospective cohort study included 186 patients with obesity and Type2 diabetes who underwent sleeve gastrectomy (SG) or Roux-en-Y gastric bypass (RYGB) between 2009 and 2020 at University Hospital Ayr. Optimal clinical response weight loss was defined as excess weight loss (%EWL) ≥50 % or total weight loss (%TWL) ≥20 %.
Results: At 2-years post-surgery, 43.6 % achieved ≥50 %EWL, and 44.1 % achieved ≥20%TWL, with 31.8 % maintaining this at 5-years. Depending on the definition used, between 11.2 % and 45.9 % of patients experienced recurrent weight gain. BMI had significant positive association with %TWL but negative with %EWL (p < 0.05). RYGB had significantly higher %TWL compared to SG (p < 0.05).
Conclusion: Most patients experienced weight loss which was maintained over time, however recurrent weight gain was noted. Pre-surgery BMI was significantly associated with weight changes.
期刊介绍：
The American Journal of Surgery® is a peer-reviewed journal designed for the general surgeon who performs abdominal, cancer, vascular, head and neck, breast, colorectal, and other forms of surgery. AJS is the official journal of 7 major surgical societies* and publishes their official papers as well as independently submitted clinical studies, editorials, reviews, brief reports, correspondence and book reviews.
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