Bariatric surgery and diabetes remission: Sleeve gastrectomy or mini-gastric bypass?

Marco Milone, Matteo Nicola Dario Di Minno, Maddalena Leongito, Paola Maietta, Paolo Bianco, Caterina Taffuri, Dario Gaudioso, Roberta Lupoli, Silvia Savastano, Francesco Milone, Mario Musella

Research output: Contribution to journalArticlepeer-review


Aim: To investigate the weight loss and glycemic control status [blood glucose, hemoglobin A1c (HbA1c) and hypoglycaemic treatment]. Methods: The primary risk factor for type 2 diabetes is obesity, and 90% of all patients with type 2 diabetes are overweight or obese. Although a remarkable effect of bariatric surgery is the profound and durable resolution of type 2 diabetes clinical manifestations, little is known about the difference among various weight loss surgical procedures on diabetes remission. Data from patients referred during a 3-year period (from January 2009 to December 2011) to the University of Naples "Federico II" diagnosed with obesity and diabetes were retrieved from a prospective database. The patients were split into two groups according to the surgical intervention performed [sleeve gastrectomy (SG) and mini-gastric bypass (MGB)]. Weight loss and glycemic control status (blood glucose, HbA1c and hypoglycaemic treatment) were evaluated. Results: A total of 53 subjects who underwent sleeve gastrectomy or mini-gastric bypass for obesity and diabetes were screened for the inclusion in this study. Of these, 4 subjects were excluded because of surgical complications, 7 subjects were omitted because young surgeons conducted the operations and 11 subjects were removed because of the lack of follow-up. Thirtyone obese patients were recruited for this study. A total of 15 subjects underwent SG (48.4%), and 16 underwent MGB (51.6%). After adjusting for various clinical and demographic characteristics in a multivariate logistic regression analysis, high hemoglobin A1c was determined to be a negative predictor of diabetes remission at 12 mo (OR = 0.366, 95%CI: 0.152-0.884). Using the same regression model, MGB showed a clear trend toward higher diabetes remission rates relative to SG (OR = 3.780, 95%CI: 0.961-14.872). Conclusion: Although our results are encouraging regarding the effectiveness of mini-gastric bypass on diabetes remission, further studies are needed to provide definitive conclusions in selecting the ideal procedure for diabetes remission.

Original languageEnglish
Pages (from-to)6590-6597
Number of pages8
JournalWorld Journal of Gastroenterology
Issue number39
Publication statusPublished - Oct 21 2013


  • Bariatric surgery
  • Bypass
  • Obesity and diabetes
  • Sleeve

ASJC Scopus subject areas

  • Gastroenterology


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