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Updated: Jan 24, 2026

Techniques of Sleeve Gastrectomy and Modified Roux-en-Y Gastric Bypass in Mice
Published on: March 20, 2017
Short-Term Operative Outcomes of Loop Reconstruction for Duodenojejunal Bypass With Sleeve Gastrectomy: A
Taiki Nabekura1, Takashi Oshiro1,2, Kotaro Wakamatsu1
1Department of Surgery, Toho University Sakura Medical Center, Chiba, Japan.
Introduction:
Roux-en-Y duodenojejunal bypass with sleeve gastrectomy (RY-DJB-SG) generally yields better operative outcomes regarding weight loss and glycemic control compared with SG. However, the requirement of two anastomoses limits its adoption as a primary metabolic bariatric surgery in Japan. To reduce the complexity of RY-DJB-SG, we introduced loop reconstruction for DJB-SG (L-DJB-SG) with a single anastomosis in 2022. This study aimed to assess the feasibility and short-term operative outcomes of L-DJB-SG and RY-DJB-SG.
Methods:
Electronic medical records of 13 and 26 patients who underwent L-DJB-SG and RY-DJB-SG, respectively, between May 2012 and November 2023 at our institute were retrospectively analyzed. Patients' demographic characteristics and glycemic and operative outcomes were statistically compared between the two groups.
Results:
No significant differences in demographic data were observed between the groups. L-DJB-SG exhibited a shorter operation time (221 [206-268] vs. 304 [283-332.3] min, p < 0.01) and required fewer staplers (2 [1.5-2] vs. 5 [3-5], p < 0.01) for bypass procedures compared with RY-DJB-SG, whereas other operative outcomes were comparable. No significant differences in weight loss or glycemic parameters were noted 1 year after surgery.
Conclusion:
L-DJB-SG is a feasible and effective procedure that may serve as an alternative DJB option for Japanese patients with obesity and diabetes mellitus.
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