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Chinese Archives of General Surgery(Electronic Edition) ›› 2014, Vol. 08 ›› Issue (04): 321-331. doi: 10.3877/cma.j.issn.1674-0793.2014.04.018

Special Issue:

• Evidence-based Version • Previous Articles     Next Articles

Short- and long-term remission of obese type 2 diabetes mellitus after gastric bypass surgery or sleeve gastrectomy: a Meta analysis

Cong Tang1, Wenfeng Liang1,(), Hong Cen1, Qiang Chen1   

  1. 1. Department of General Surgery, the Fifth Affiliated Hospital of Sun Yat-sen University, Guangzhou 519000, China
  • Received:2014-04-24 Online:2014-08-01 Published:2014-08-01
  • Contact: Wenfeng Liang
  • About author:
    Corresponding author: Liang Wenfeng, Email:

Abstract:

Objective

To analyze the evidence-based study of short-term and long-term remission of type 2 diabetes mellitus(T2DM) after sleeve gastrectomy(SG) or gastric bypass surgery(GBP).

Methods

Related articles were systematically retrieved by searching Medline, Embase database, and Cochrane library. Inclusion and exclusion criteria to select literatures were set up. The data were qualitatively evaluated and analyzed by STATA or SPSS software.

Results

Thirty-four articles were involved including 8 randomized controlled trials (RCTs). Among them, 26 studies were on GBP surgeries and 27 on SG. The preoperative BMI of GBP and SG group were (44.8±5.2) kg/m2 and (46.68±7.3) kg/m2, preoperative glycosylated hemoglobin index were (7.86±0.73)% and (7.91±0.98)%, preoperative fasting plasma glucose were (158.0±18.1) mg/dl and (167.7±41.6)mg/dl, retrospectively. After 1 year of follow-up, the remission rate of T2DM was 77% and 74% in GBP and SG groups, while the remission rate was 74% and 85% in follow-up of 3 years. In follow-up of 5 or more years, the remission rate of SG surgery was 77%, while that of GBP group was 74% according to the Meta analysis. Comparing the remission rate of T2DM in GBP and SG group from the 8 RCTs, the RR was 1.26, 95% CI=1.10-1.44. The difference between the two groups was statistically significant (P<0.01).

Conclusion

Both SG and GBP surgeries are effective treatments for obese T2DM. The remission rate of GBP surgery is higher than SG.

Key words: Sleeve gastrectomy(SG), Gastric bypass surgery(GBP), Type 2 diabetes mellitus, Long-term efficacy, Remission

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