{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,28]],"date-time":"2026-05-28T07:05:43Z","timestamp":1779951943132,"version":"3.53.1"},"reference-count":35,"publisher":"The Korean Society of Gastrointestinal Endoscopy","issue":"3","license":[{"start":{"date-parts":[[2026,5,28]],"date-time":"2026-05-28T00:00:00Z","timestamp":1779926400000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc\/3.0\/"}],"content-domain":{"domain":["e-ce.org"],"crossmark-restriction":true},"short-container-title":["Clin Endosc"],"published-print":{"date-parts":[[2026,5,30]]},"abstract":"<jats:p>Background\/Aims: Data on endoscopic ultrasound (EUS)-guided gastroenterostomy (EUS-GE) are mainly derived from patients with na\u00efve anatomy. This study aimed to evaluate the outcomes of EUS-GE in patients with post-surgical anatomy and compare these findings with those from a cohort of patients with na\u00efve anatomy.Methods: A retrospective tertiary center analysis was performed of consecutive EUS-GE procedures. The wireless-EUS-GE-simplified technique (WEST) was employed for EUS-GE. Clinical success was defined as achieving a postprocedural gastric outlet obstruction scoring system score of \u22652.Results: Overall, 10 patients with post-surgical anatomy and 63 sequential historical controls with na\u00efve anatomy were included from the same time frame (2019\u20132022). Surgery consisted predominantly of Whipple resection (n=3) or partial gastrectomy (n=2). Clinical success was achieved in 90.0% and 90.5% of patients in the post-surgical and na\u00efve anatomy groups, respectively (p=1.000). Technical success (90.0% vs. 96.8%, p=0.362), median hospital stay (8 vs. 6 days, p=0.397), adverse event rate (10.0% vs. 7.9%, p=1.000), and median follow-up duration (186 vs. 136 days, p=0.303) were comparable between the two groups.However, the median procedure duration was significantly longer in the post-surgical anatomy group compared to that in the na\u00efve group (61 vs. 45 minutes, p=0.037).Conclusions: Although increased technical complexity and a limited sample size should be considered, our comparative data suggest that EUS-GE was equally effective in patients with post-surgical anatomy.<\/jats:p>","DOI":"10.5946\/ce.2025.268","type":"journal-article","created":{"date-parts":[[2026,5,28]],"date-time":"2026-05-28T06:55:28Z","timestamp":1779951328000},"page":"417-424","update-policy":"https:\/\/doi.org\/10.5946\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Comparative retrospective outcomes of endoscopic ultrasound-guided gastroenterostomy in 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