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Obesity Surgery

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01-06-2018 | Original Contributions

Ethnicity Does Not Influence Glycemic Outcomes or Diabetes Remission After Sleeve Gastrectomy or Gastric Bypass in a Multiethnic Asian Cohort

Authors: Phong Ching Lee, Kwang Wei Tham, Sonali Ganguly, Hong Chang Tan, Alvin Kim Hock Eng, John B. Dixon

Published in: Obesity Surgery | Issue 6/2018

Abstract

Background

In Asia, metabolic-bariatric surgery (MBS) rates have grown rapidly in parallel with rising prevalence of obesity and type 2 diabetes (T2D).

Objective

The objective of this study was to identify factors that influence glycemic outcomes and diabetes remission 12 months after sleeve gastrectomy (SG) or gastric bypass (GB) in a multiethnic Asian cohort.

Setting

The study’s setting was in a tertiary hospital in Singapore.

Methods

Data from 145 T2D patients who had SG (37%) or GB (63%) and at least 1-year follow-up were analyzed. Diabetes remission was defined as hemoglobin A1c ≤ 6.0% without diabetes medications. Analysis involved binary logistic regression to identify predictors and general linear regression for variables associated with glycemic improvement after surgery.

Results

Baseline parameters are as follows: BMI 40.0 ± 7.6 kg/m², A1c 8.4 ± 1.6%, diabetes duration 9.3 years, ethnic composition: Chinese (51.7%), Malay (23.4%), Indian (20.7%), Others (4.1%). 55.9% achieved diabetes remission at 1 year. Baseline A1c, baseline BMI, and diabetes duration were significant pre-operative factors for remission (cumulative R ² = 0.334). At 12 months, percentage weight loss was similar after SG (24.1 ± 7.4%) and GB (25.4 ± 7.4%, p = 0.31). Greater A1c decrease was seen with GB compared to SG (2.7 ± 1.6 vs 2.0 ± 1.5%, p = 0.006), significant even after adjustment for weight loss, age, BMI, baseline A1c, and diabetes duration (p = 0.033). Weight loss at 12 months also correlated independently with A1c reduction. Ethnicity did not influence weight loss, diabetes remission, or glycemic control after MBS.

Conclusion

Baseline A1c, baseline BMI, and diabetes duration independently predict diabetes remission after MBS. GB is more effective in controlling T2D compared to SG despite similar weight loss, whereas ethnicity does not play a significant role in the multiethnic Asian cohort.

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Title: Ethnicity Does Not Influence Glycemic Outcomes or Diabetes Remission After Sleeve Gastrectomy or Gastric Bypass in a Multiethnic Asian Cohort
Authors: Phong Ching Lee
Kwang Wei Tham
Sonali Ganguly
Hong Chang Tan
Alvin Kim Hock Eng
John B. Dixon
Publication date: 01-06-2018
Publisher: Springer US
Published in: Obesity Surgery / Issue 6/2018
Print ISSN: 0960-8923
Electronic ISSN: 1708-0428
DOI: https://doi.org/10.1007/s11695-017-3050-6

At a glance: The ONWARDS insulin icodec trials

Springer Medicine

Ethnicity Does Not Influence Glycemic Outcomes or Diabetes Remission After Sleeve Gastrectomy or Gastric Bypass in a Multiethnic Asian Cohort

Abstract

Background

Objective

Setting

Methods

Results

Conclusion

At a glance: The ONWARDS insulin icodec trials

Springer Medicine

Abstract

Background

Objective

Setting

Methods

Results

Conclusion

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