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Obesity Surgery

, Volume 22, Issue 10, pp 1521–1526 | Cite as

Improvement of Type 2 Diabetes Mellitus (T2DM) After Bariatric Surgery—Who Fails in the Early Postoperative Course?

  • C. JurowichEmail author
  • A. Thalheimer
  • D. Hartmann
  • G. Bender
  • F. Seyfried
  • C. T. Germer
  • C. Wichelmann
Clinical Research

Abstract

Backround

Diabetes surgery in nonobese or moderately obese patients is an emerging topic. The identification of preoperative factors predicting diabetes outcome following bariatric surgery, especially for metabolic nonresponders, is imperative.

Methods

Between 2005 and 2011, 235 patients underwent bariatric surgery for morbid obesity. Eighty-two of 235 patients had type 2 diabetes mellitus (T2DM). Data from this subgroup were investigated with univariate and multivariate analyses to identify predictors for metabolic nonresponse after surgery.

Results

Diabetes did not improve in 17/82 patients within 3 months after surgery. No correlation between excess body weight loss and metabolic response was detected. In univariate analysis, preoperative duration of diabetes was significantly longer in the nonresponder group (9.146 vs. 6.270 years; *p = 0.016), preoperative HbA1c levels were significantly higher among the nonresponders than among the responders (8.341 vs. 7.781 %; *p = 0.033), and more patients in the nonresponder group were reliant on a multi-drug approach preoperatively (*p = 0.045). In multivariate analysis, age, preoperative doses of insulin, and preoperative oral antidiabetics showed positive correlation to metabolic nonresponse after surgery (*p = 0.04; *p = 0.021; *p = 0.021). Metabolic failure rate was lower after Roux-en-Y gastric bypass compared to other bariatric procedures (**p = 0.008).

Conclusions

A long history of preoperative T2DM, high preoperative HbA1c levels, and a preoperative therapy consisting of diverse approaches to diabetes treatment may be factors predicting failure of diabetes improvement in the early postoperative course after bariatric surgery. Age, preoperative insulin, and oral antidiabetic medication can be regarded as independent, significant predictors for metabolic outcome after bariatric surgery.

Keywords

Metabolic surgery Diabetes mellitus Improvement Glycemic control Nonresponse 

Notes

Conflict of interest

All authors declare to have no conflict of interest.

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Copyright information

© Springer Science + Business Media, LLC 2012

Authors and Affiliations

  • C. Jurowich
    • 1
    Email author
  • A. Thalheimer
    • 1
  • D. Hartmann
    • 1
  • G. Bender
    • 2
  • F. Seyfried
    • 1
  • C. T. Germer
    • 1
  • C. Wichelmann
    • 1
  1. 1.Department of General, Visceral, Vascular and Pediatric Surgery, Centre for Obesity and Metabolic SurgeryUniversity Hospital of WürzburgWürzburgGermany
  2. 2.Department of Endocrinology, Clinic for Internal MedicineUniversity Hospital of WürzburgWürzburgGermany

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