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At a glance: The ONWARDS insulin icodec trials

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Obesity Surgery
Published in: Obesity Surgery 5/2020

01-05-2020 | Obesity | Original Contributions

Laparoscopic Roux-en-Y Gastric Bypass Versus Sleeve Gastrectomy for Type 2 Diabetes Mellitus in Nonseverely Obese Patients: A Systematic Review and Meta-Analysis of Randomized Controlled Trials

Authors: Yanhua Sha, Xianzhang Huang, Peifeng Ke, Bailin Wang, Hui Yuan, Wei Yuan, Yongliang Wang, Xuanjin Zhu, Yong Yan

Published in: Obesity Surgery | Issue 5/2020

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Abstract

Background

Recently, randomized controlled trials (RCTs) have indicated that bariatric surgery in nonseverely obese patients with a body mass index (BMI) less than 35 kg/m2 might be even superior to medical therapy with regard to type 2 diabetes mellitus (T2DM) remission, but the efficacy of laparoscopic Roux-en-Y gastric bypass (LRYGB) compared with laparoscopic sleeve gastrectomy (LSG) in nonseverely obese patients has not been conclusively determined. The objective of this study is to compare LRYGB versus LSG for T2DM in nonseverely obese patients.

Methods

A meta-analysis identifying RCTs evaluating LRYGB versus LSG for T2DM in nonseverely obese patients was conducted. The primary outcome was T2DM remission. Additional analyses comprised percent excess weight loss (%EWL), BMI, waist circumference, hemoglobin A1c (HbA1c), fasting plasma glucose (FPG), serum lipid level, medication use, quality of life, and adverse events.

Results

Four RCTs concerning total 296 patients were included. T2DM remission rate and %EWL were of no difference between the two bariatric procedures. LRYGB was associated with lower BMI, waist circumference, low-density lipoprotein, and higher high-density lipoprotein than LSG. However, HbA1c, FPG, total cholesterol, and triglyceride were not significantly different between the two surgical groups. The medication use and quality of life were improved in both two groups. The gastroesophageal reflux diseases of LRYGB group were less than that of LSG group. Dumping syndromes were noted more frequently in the LRYGB group.

Conclusions

Both LRYGB and LSG have comparative effect on resolving T2DM in nonseverely obese patients at midterm follow-up. Further RCTs should address the potential risks and long-term effects of LRYGB and LSG in nonseverely obese patients.
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Metadata
Title
Laparoscopic Roux-en-Y Gastric Bypass Versus Sleeve Gastrectomy for Type 2 Diabetes Mellitus in Nonseverely Obese Patients: A Systematic Review and Meta-Analysis of Randomized Controlled Trials
Authors
Yanhua Sha
Xianzhang Huang
Peifeng Ke
Bailin Wang
Hui Yuan
Wei Yuan
Yongliang Wang
Xuanjin Zhu
Yong Yan
Publication date
01-05-2020
Publisher
Springer US
Published in
Obesity Surgery / Issue 5/2020
Print ISSN: 0960-8923
Electronic ISSN: 1708-0428
DOI
https://doi.org/10.1007/s11695-019-04378-2

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