• Seong Ha Seo, Yongin Cho, Yoon Seok Heo, Da Hea Seo, Seong Hee Ahn, Seong Bin Hong, Young Ju Suh, and So Hun Kim.
• Division of Endocrinology and Metabolism, Department of Internal Medicine, Inha University College of Medicine, Incheon, Korea.
• Medicine (Baltimore). 2022 Sep 9; 101 (36): e30309e30309.

AbstractThis study investigated the antidiabetic outcomes after gastrectomy with long-limb RY reconstruction (LRYR) and the prognostic factors for remission after 1 year in patients with type 2 diabetes (T2DM) and gastric cancer. In 25 Koreans with T2DM and gastric cancer, plasma glucose and insulin levels were measured during a 75 g oral glucose tolerance test, before and 1 week after gastrectomy with LRYR. Patients were examined after 1 year and we defined glycemic control as "remission" when the HbA1c level after 1 year was <6.0% without medication. One year after surgery, 12 patients achieved HbA1c < 6.0% without medication. Among the preoperative indices, the duration of diabetes was shorter in the remission group than that in the non-remission group (median 2.0 [0-6.5] years vs 7.0 [4.5-10.0] years, P = .023). At 1 week after surgery, significant improvements in fasting, 30 minutes, 60 minutes, 90 minutes stimulated glucose levels and insulin resistance (HOMA-IR and Matsuda index) were found only in the remission group. The multivariable logistic regression analysis results showed that higher 30 minutes stimulated glucose level and HOMA-IR index at 1 week after surgery were independent factors for lower odds of 1-year diabetes remission. Shorter duration of diabetes and early postoperative improvements in 30 minutes stimulated glucose level and HOMA-IR were important determinants of long-term antidiabetic outcomes after gastrectomy with LRYR in patients with T2DM and gastric cancer.Copyright © 2022 the Author(s). Published by Wolters Kluwer Health, Inc.

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