• Surg Obes Relat Dis · Feb 2017

    Comparative Study

    A comparative study of the metabolic effects of LSG and LRYGB in Chinese diabetes patients with BMI<35 kg/m2.

    • Xiao Du, Hong-Xu Zhou, Si-Qin Zhang, Hao-Ming Tian, Zong-Guang Zhou, and Zhong Cheng.
    • Department of Gastrointestinal Surgery, Laboratory of Bariatric and Metabolic Surgery, West China Hospital, Sichuan University, Chengdu, P.R. China.
    • Surg Obes Relat Dis. 2017 Feb 1; 13 (2): 189-197.

    BackgroundThe metabolic effects of laparoscopic sleeve gastrectomy (LSG) and laparoscopic Roux-en-Y gastric bypass (LRYGB) in type 2 diabetes (T2D) patients who do not meet National Institutes of Health indications has not been well studied.ObjectivesTo compare the effectiveness of LSG and LRYGB in Chinese T2D patients with body mass index (BMI)<35 kg/m2.SettingUniversity hospital, China.MethodsA nonrandomized cohort of patients who underwent LRYGB (n = 64) and LSG (n = 19) were followed up for 3 years and the outcomes (weight loss and remission of diabetes and other metabolic parameters) were compared. Univariate and multivariate analyses were applied to find associated parameters of T2D remission.ResultsIn total, 5 patients (6%) were lost to follow-up. No significant differences in mean percentage of excess weight loss and BMI were observed between the 2 groups at 2 years. At 3-year follow-up, the LRYGB group had significantly higher percentage of excess weight loss and lower BMI. The total (complete and partial) remission rate achieved with both bariatric procedures was 75.9% at 1 year and 56.4% at 3 years. Surgical safety, diabetes remission, and remission of other obesity-related co-morbidities were comparable between the 2 groups. Patients who achieved complete or partial remission had lower fasting plasma glucose, lower plasma glucose at 2 hours, lower glycated hemoglobin, and higher fasting C peptide than the other patients at baseline. High recurrence rates of hypertension and hyperuricemia were observed at 3 years postoperation.ConclusionsBoth LSG and LRYGB are safe and effective bariatric procedures for T2D in this Chinese population with diabetes and BMI<35 kg/m2.Copyright © 2017 American Society for Bariatric Surgery. Published by Elsevier Inc. All rights reserved.

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