Metabolic Surgery for the Treatment of Type 2 Diabetes Mellitus in China-Five-Year Outcomes from a Prospective Multicenter Study
DIABETES(2023)
Abstract
The prevalence of type 2 diabetes (T2D) among adults in China is 10.9%-13.2%. Multicenter, long-term, prospective studies evaluating bariatric/metabolic surgery in obese patients with T2D in China are limited. This prospective study evaluated the 5-year impact of laparoscopic Roux-en-Y gastric bypass (RYGB; n=76 subjects, mean [SD] age 36.4 [9.5], 52.6% women, mean [SD] BMI 34.6 [4.9] kg/m2, mean [SD] glycosylated hemoglobin A1c [HbA1c] 8.3% [1.7%], mean [SD] duration diabetes 3.7 [2.7]) and sleeve gastrectomy (SG; n=25 subjects, mean [SD] age 41.1 [10.8], 44.0% women, mean [SD] BMI 36.4 [6.0] kg/m2, mean [SD] HbA1c 7.5% [1.5%], mean [SD] duration diabetes 2.4 [2.4]) on T2D at six centers in China from August 2014-April 2021. According to the composite measure of glycemic control for metabolic surgeries as suggested by the American Society for Metabolic and Bariatric Surgery, among 62 subjects evaluable at five years (50 RYGB, 12 SG), complete remission occurred in 28.6% (27.5% RYGB, 33.3% SG), partial remission in 27.0% (29.4% RYGB, 16.7% SG), improvement in 30.2% (29.4% RYBG, 33.3% SG), no change in 9.5% (7.8% RYBG, 16.7% SG), and recurrence in 4.8% (5.9% RYGB). Significant 5-year reductions in HbA1c (RYGB -1.7±2.1%, SG -1.8±1.1%), body weight (RYGB -19.8±8.4 kg, SG -21.2±6.0 kg), and BMI (RYGB -7.1±3.1 kg/m2, SG -7.7±2.1 kg/m2) were observed (all p<0.001). Five-year improvements in triglycerides and high-density lipoprotein cholesterol were also observed. Procedure-related serious adverse events occurred in 8 RYGB subjects (7.9%). To our knowledge, this is the first prospective, multicenter, 5-year study of bariatric/metabolic surgery in subjects with T2D in China. These data demonstrate that RYGB and SG achieved clinically meaningful, sustained impacts on T2D remission in many subjects for up to five years. Bariatric/metabolic surgery has enormous potential to provide a safe and effective option for appropriately selected subjects with T2D in China. Disclosure Y.Bao: None. Y.Tu: None. S.Lin: None. H.Zhang: None. W.Yang: None. J.Yang: None. S.Chen: None. Q.Fan: None. Y.Ma: None. C.Ma: None. J.Waggoner: Employee; Ethicon, Inc., Janssen Research & Development, LLC, Stock/Shareholder; Johnson & Johnson. H.Liang: None. A.Tokarski: Employee; Ethicon, Inc. N.Edwards: Consultant; Boston Scientific Corporation, EMD Serono, Inc., Ethicon, Inc., Johnson & Johnson, Becton, Dickinson and Company. T.Yang: None. R.Zhang: None. W.Jia: None. P.Zhang: None. C.Wang: None. T.Jiang: None. N.Zhang: None. J.Zhu: None. H.Yu: None. J.Han: None. Funding Ethicon, Inc.; Johnson & Johnson
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Key words
metabolic surgery,diabetes mellitus,five-year
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