{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,20]],"date-time":"2026-05-20T05:10:34Z","timestamp":1779253834460,"version":"3.51.4"},"reference-count":39,"publisher":"Frontiers Media SA","license":[{"start":{"date-parts":[[2023,1,6]],"date-time":"2023-01-06T00:00:00Z","timestamp":1672963200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["frontiersin.org"],"crossmark-restriction":true},"short-container-title":["Front. Surg."],"abstract":"<jats:sec><jats:title>Background<\/jats:title><jats:p>Biliopancreatic diversion with duodenal switch (BPD-DS) is a bariatric procedure used in the treatment of obesity and related metabolic disorders. However, to date, the data on BPD-DS among Chinese patients with obesity is completely lacking.<\/jats:p><\/jats:sec><jats:sec><jats:title>Objective<\/jats:title><jats:p>This is the first study to evaluate the safety and efficacy of BPD-DS in the treatment of Chinese patients with obesity.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>Data from 12 patients undergoing BPD-DS between September 2019 and March 2020 were analyzed retrospectively to evaluate complications, weight loss, comorbidity resolution, and nutritional status.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>All patients completed the 1-year follow-up. There was no conversion to laparotomy or death. Mean operative time was 257.08\u2009\u00b1\u200929.27\u2005min. The median length of stay was 7\u00a0days (ranging from 4\u201338\u00a0days). Complications occurred in three patients. The 1-year body mass index was 25.13\u2009\u00b1\u20094.71\u2005kg\/m<jats:sup>2<\/jats:sup> with a mean excess weight loss of 100.11\u2009\u00b1\u200933.29% and a mean total weight loss of 43.22\u2009\u00b1\u20097.71%. Remission was achieved in 100% (7\/7 cases) for type 2 diabetes, in 83.3% (10\/12 cases) for hypertension, and in 62.5% (5\/8 cases) for hyperuricemia. At 1\u00a0year after BPD-DS, the prevalence of albumin deficiency was 16.7%, for iron deficiency was 16.7%, and for zinc deficiency was 50%. There were 8.3% of the patients who were anemic. High deficiency rates for vitamins were presented mainly in vitamin A and vitamin E: vitamin A in 58.3% of the patients and vitamin E in 50% of the patients. The prevalence of asymptomatic gallstones increased significantly from 0% preoperatively to 41.7% postoperatively.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>BPD-DS had excellent weight loss and resolution of comorbidities among Chinese patients with obesity. However, high rates of nutritional deficiencies and complications were found after BPD-DS, especially for vitamin A and vitamin E.<\/jats:p><\/jats:sec>","DOI":"10.3389\/fsurg.2022.934434","type":"journal-article","created":{"date-parts":[[2023,1,6]],"date-time":"2023-01-06T08:49:20Z","timestamp":1672994960000},"update-policy":"https:\/\/doi.org\/10.3389\/crossmark-policy","source":"Crossref","is-referenced-by-count":4,"title":["First study on the outcomes of biliopancreatic diversion with duodenal switch in Chinese patients with 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