{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,11]],"date-time":"2026-09-11T15:41:49Z","timestamp":1789141309478,"version":"build-2803163510"},"reference-count":42,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2021,4,21]],"date-time":"2021-04-21T00:00:00Z","timestamp":1618963200000},"content-version":"vor","delay-in-days":20,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["DEN Open"],"published-print":{"date-parts":[[2021,4]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>Various efforts to improve technical success rates and decrease adverse event rates have also been described in endoscopic ultrasound (EUS)\u2010guided choledochoduodenostomy (CDS). In particular, lumen\u2010apposing metal stents (LAMS) may open novel opportunities in EUS\u2010biliary drainage (BD). To date, various studies have been reported with EUS\u2010CDS using LAMS, so we should clarify the benefits and limitations of recent EUS\u2010CDS based on developments in both techniques and devices. In this review, we provide technical tips and describe recent developments in EUS\u2010CDS, along with a review of the recent literature (between 2015 and 2020). The overall technical success rate is 95.0% (939\/988), and the overall clinical success rate is 97.0% (820\/845). The most frequent adverse event is cholangitis or cholecystitis (24.5%, 27\/110). According to previous review, pneumoperitoneum (28%, 9\/34) or peritonitis associated with bile leak (23.5%, 8\/34) was most commonly observed. This difference might be based on improvements in dilation devices or the use of covered metal stents. Several randomized controlled trials comparing EUS\u2010CDS and endoscopic retrograde cholangiopancreatography (ERCP) for malignant biliary obstruction have recently been reported. To summarize, overall technical success rates for ERCP and EUS\u2010CDS were 92.7% (101\/109) and 91.1% (72\/79), respectively (<jats:italic>p<\/jats:italic>\u00a0=\u00a00.788). Overall clinical success rates for ERCP and EUS\u2010CDS were 94.1% (96\/102) and 93.6% (72\/78), respectively (<jats:italic>p<\/jats:italic>\u00a0=\u00a00.765). Further high\u2010quality evidence is needed to establish EUS\u2010CDS as a primary drainage technique.<\/jats:p>","DOI":"10.1002\/deo2.8","type":"journal-article","created":{"date-parts":[[2021,4,22]],"date-time":"2021-04-22T04:39:06Z","timestamp":1619066346000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":42,"title":["Technical tips and recent development of endoscopic ultrasound\u2010guided choledochoduodenostomy"],"prefix":"10.1002","volume":"1","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-2916-6568","authenticated-orcid":false,"given":"Takeshi","family":"Ogura","sequence":"first","affiliation":[{"name":"2nd Department of Internal Medicine Osaka Medical College  Osaka Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Takao","family":"Itoi","sequence":"additional","affiliation":[{"name":"Depaertment of Gastroenterology and Hepatology Tokyo Medical University  Tokyo 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