{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,14]],"date-time":"2026-07-14T16:12:56Z","timestamp":1784045576273,"version":"3.55.0"},"reference-count":33,"publisher":"S. Karger AG","issue":"8","license":[{"start":{"date-parts":[[2025,12,11]],"date-time":"2025-12-11T00:00:00Z","timestamp":1765411200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/karger.com\/pages\/terms-and-conditions"},{"start":{"date-parts":[[2025,12,11]],"date-time":"2025-12-11T00:00:00Z","timestamp":1765411200000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/karger.com\/pages\/terms-and-conditions"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Oncology"],"abstract":"<jats:p>Introduction: Recently, EUS-guided biliary drainage (EUS-BD) has been widely used as the second biliary drainage method when endoscopic transpapillary drainage fails. A longer time to recurrent biliary obstruction (TRBO) is important for biliary stenting to avoid interfering with cancer treatment. However, the factors that influence the TRBO in EUS-BD are unknown. The aim of this study was to clarify the factors associated with the TRBO in EUS-BD. Methods: All patients who underwent successful EUS-BD at Fukushima Medical University and Soma General Hospital were enrolled in this study. The factors associated with the TRBO were retrospectively analyzed (follow-up period: mean 215 \u00b1 standard deviation 214 days). Results: RBO was observed in 21\/47 (44.7%) patients. According to the multivariate analyses, a duodenal stent before RBO was significantly associated with a longer TRBO (hazard ratio 0.34, 95% confidence interval 0.12\u20130.98; p = 0.045). The TRBO was also longer in patients with duodenal stents before RBO (p = 0.026) and in patients with braided biliary stents (p = 0.024). The TRBO became significantly longer according to the number of factors (p = 0.02). Conclusion: Duodenal stents before RBO and braided biliary stents might be factors associated with a longer TRBO. Early duodenal stent insertion and braided biliary stent use might prevent food backflow, strongly dilate the biliary stricture, and lead to a longer TRBO.<\/jats:p>","DOI":"10.1159\/000550001","type":"journal-article","created":{"date-parts":[[2025,12,11]],"date-time":"2025-12-11T17:01:02Z","timestamp":1765472462000},"page":"863-871","source":"Crossref","is-referenced-by-count":0,"title":["Duodenal Stenting Is Associated with Longer Biliary Patency in Endoscopic Ultrasound-Guided Biliary Drainage: Potential Role of Braided Biliary 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