Document Detail

Laparoscopic Sleeve Gastrectomy Versus Single Anastomosis (Mini-) Gastric Bypass for the Treatment of Type 2 Diabetes Mellitus: 5-Year Results of a Randomized Trial and Study of Incretin Effect.
MedLine Citation:
PMID:  24965545     Owner:  NLM     Status:  Publisher    
BACKGROUND: Bariatric surgery may be beneficial in mildly obese patients with poorly controlled diabetes. The optimal procedure to achieve diabetes remission is unknown. In 2011, we published the short-term results of a pilot study designed to evaluate the efficacy of diabetic control and the role of duodenal exclusion in mildly obese diabetic patients undergoing laparoscopic sleeve gastrectomy (SG) vs. a laparoscopic single anastomosis (mini-) gastric bypass (SAGB). This study analyzes the 5-year results and evaluates the incretin effect.
METHODS: A double-blind randomized trial included 60 participants with a hemoglobin A1c (HbA1c) level higher than 7.5 %, a body mass index (BMI) between 25 and 35 Kg/m(2), a C-peptide level ≥1.0 ng/mL, and a diagnosis of type 2 diabetes mellitus (T2DM) for at least 6 months. A SAGB with duodenal exclusion or a SG without duodenal exclusion was performed.
RESULTS: The 5-year results of the primary outcome were as an intention-to-treat analysis for HbA1c ≤6.5 % without glycemic therapy. Assessments of the incretin effect and β cell function were performed at baseline and between 36 and 60 months. The patients were randomly assigned to SAGB (n = 30) and SG (n = 30). At 60 months, 18 participants (60 %; 95 % confidence interval (CI), 42 to 78 %) in the SAGB group and nine participants (30 %; 95 % CI, 13 to 47 %) in the SG group achieved the primary end points (odds ratio (OR), 0.3; 95 % CI, 0.1 to 0.8 %). The participants assigned to the SAGB procedure had a similar percentage of weight loss as the SG patients (22.8 ± 5.9 vs. 20.1 ± 5.3 %; p > 0.05) but achieved a lower level of HbA1c (6.1 ± 0.7 vs. 7.1 ± 1.2 %; p < 0.05) than the SG patients. There was a significant increase in the incretin effect before and after surgery in both groups, but the SAGB group had a higher incretin effect than the SG group at 5 years.
CONCLUSIONS: In mildly obese patients with T2DM, SG is effective at improving glycemic control at 5 years, but SAGB was more likely to achieve better glycemic control than SG and had a higher incretin effect compared to SG.
Wei-Jei Lee; Keong Chong; Yu-Hung Lin; Jih-Hua Wei; Shu-Chun Chen
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2014-6-26
Journal Detail:
Title:  Obesity surgery     Volume:  -     ISSN:  1708-0428     ISO Abbreviation:  Obes Surg     Publication Date:  2014 Jun 
Date Detail:
Created Date:  2014-6-26     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9106714     Medline TA:  Obes Surg     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
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