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  • Title: Glycemic control and BMI changes after endoscopic implantation of a duodenojejunal bypass liner compared with laparoscopic Roux-en-Y gastric bypass surgery: a propensity score matching analysis.
    Author: Günthert SJ, Aksan A, Schröder O, Meyer G, Hausmann J, Stein J, Stier C.
    Journal: Surg Endosc; 2022 Aug; 36(8):5979-5985. PubMed ID: 35378626.
    Abstract:
    INTRODUCTION: Both laparoscopic Roux-en-Y gastric bypass (RYGB) and duodenojejunal bypass liner (DJBL) have been shown to induce weight loss and dramatically ameliorate type 2 diabetes mellitus (T2DM). Since DJBL implantation causes nutrients to pass through the duodenum without contact with the digestive juices and the duodenal mucosa, its mechanisms have been suggested to mimic those of RYGB. This study aimed to compare the outcomes of these two bariatric procedures in terms of glycemic control and BMI in patients with obesity and T2DM. RESEARCH DESIGN AND METHODS: A retrospective observational cohort propensity score-weighted comparison of laparoscopic Roux-en-Y gastric bypass (RYGB) vs duodenojejunal bypass liner (DJBL) was conducted in patients with obesity and T2DM undergoing either procedure from 05/2014 to 12/2017. Propensity scores were weighted for body weight, body mass index (BMI), and glycated hemoglobin A1c (HbA1c). The primary outcome was comparative improvement of HbA1c. Secondary comparative effectiveness outcomes were decrease of body weight and BMI. RESULTS: Forty-six patients were included: 21 (10 male, 11 female; mean age 50.6 ± 11.7 years) underwent RYGB, while DJBL was implanted in 25 (10 male, 15 female; 52.5 ± 9.5 years). After twelve months, mean ΔBMI was 11.54 ± 4.47 kg/m2 for RYGB vs. 6.23 ± 2.36 kg/m2 for DJBL (p < 0.05). Mean total weight loss was 27.93 ± 8.57% for RYGB vs. 15.04 ± 5.73% for DJBL (p < 0.05). Glycemic control after one year improved significantly in both groups but did not differ significantly. CONCLUSION: RYGB and DJBL seem to be associated with similar remission rates of hyperglycemia after one year. However, RYGB induces more significant weight loss than DJBL.
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