{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,22]],"date-time":"2026-04-22T19:27:46Z","timestamp":1776886066254,"version":"3.51.2"},"reference-count":36,"publisher":"Oxford University Press (OUP)","issue":"1108","license":[{"start":{"date-parts":[[2019,12,11]],"date-time":"2019-12-11T00:00:00Z","timestamp":1576022400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/academic.oup.com\/journals\/pages\/open_access\/funder_policies\/chorus\/standard_publication_model"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2020,4,1]]},"abstract":"<jats:sec>\n                  <jats:title>Objectives:<\/jats:title>\n                  <jats:p>To retrospectively evaluate the safety and efficacy of transcatheter arterial embolization (TAE) for delayed arterial bleeding secondary to percutaneous self-expandable metallic stent (SEMS) placement in patients with malignant biliary obstruction (MBO).<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Methods:<\/jats:title>\n                  <jats:p>From January 1997 to September 2017, 1858 patients underwent percutaneous SEMS placement for MBO at a single tertiary referral center. Among them, 19 patients (mean age, 70.2 [range, 52\u201382] years; 13 men) presented with delayed SEMS-associated arterial bleeding and underwent TAE.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Results:<\/jats:title>\n                  <jats:p>The incidence of delayed arterial bleeding was 1.0% (19\/1858) after SEMS placement, with a median time interval of 225 days (range, 22\u20132296). Digital subtraction angiography (DSA) showed pseudoaneurysm alone close to the stent mesh (n = 10), pseudoaneurysm close to the stent mesh with contrast extravasation to the duodenum (n = 3), pseudoaneurysm close to the stent mesh with arteriobiliary fistula (n = 1), in-stent pseudoaneurysm alone (n = 4) and in-stent pseudoaneurysm with arteriobiliary fistula (n = 1). Bleeding was stopped after the embolization in all patients. Overall clinical success rate was 94.7% (18\/19). One patient with recurrent bleeding was successfully treated with a second embolization. Overall 30-day mortality rate was 26.3% (5\/19). A major procedure-related complication was acute hepatic failure in one hilar bile duct cancer patient (5.3%), which was associated with an obliterated portal vein.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Conclusion:<\/jats:title>\n                  <jats:p>TAE is safe and effective for the treatment of delayed arterial bleeding after percutaneous SEMS placement for MBO.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Advances in knowledge:<\/jats:title>\n                  <jats:p>This study demonstrated TAE is safe and effective for arterial bleeding after SEMS placement after MBO through the largest case series so far.<\/jats:p>\n               <\/jats:sec>","DOI":"10.1259\/bjr.20190637","type":"journal-article","created":{"date-parts":[[2019,11,28]],"date-time":"2019-11-28T18:33:11Z","timestamp":1574965991000},"source":"Crossref","is-referenced-by-count":8,"title":["Embolization for delayed arterial bleeding after percutaneous self-expandable metallic stent placement in patients with malignant biliary obstruction"],"prefix":"10.1093","volume":"93","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-4276-8803","authenticated-orcid":false,"given":"Pyeong Hwa","family":"Kim","sequence":"first","affiliation":[{"name":"Department of Radiology and Research Institute of Radiology, Asan Medical Center, University of Ulsan College of Medicine, 88, Olympic-ro 43-gil, Songpa-gu , Seoul 05505 , Korea"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5784-922X","authenticated-orcid":false,"given":"Jong Woo","family":"Kim","sequence":"additional","affiliation":[{"name":"Department of Radiology and Research Institute of Radiology, Asan Medical Center, University of Ulsan College of Medicine, 88, Olympic-ro 43-gil, Songpa-gu , Seoul 05505 , Korea"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0848-1251","authenticated-orcid":false,"given":"Dong Il","family":"Gwon","sequence":"additional","affiliation":[{"name":"Department of Radiology and Research Institute of Radiology, Asan Medical Center, University of Ulsan College of Medicine, 88, Olympic-ro 43-gil, Songpa-gu , Seoul 05505 , Korea"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4617-1799","authenticated-orcid":false,"given":"Gi-Young","family":"Ko","sequence":"additional","affiliation":[{"name":"Department of Radiology and Research Institute of Radiology, Asan Medical Center, University of Ulsan College of Medicine, 88, Olympic-ro 43-gil, Songpa-gu , Seoul 05505 , Korea"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6598-9049","authenticated-orcid":false,"given":"Ji Hoon","family":"Shin","sequence":"additional","affiliation":[{"name":"Department of Radiology and Research Institute of Radiology, Asan Medical Center, University of Ulsan College of Medicine, 88, Olympic-ro 43-gil, Songpa-gu , Seoul 05505 , Korea"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8346-6599","authenticated-orcid":false,"given":"Hyun-Ki","family":"Yoon","sequence":"additional","affiliation":[{"name":"Department of Radiology and Research Institute of Radiology, Asan Medical Center, University of Ulsan College of Medicine, 88, Olympic-ro 43-gil, Songpa-gu , Seoul 05505 , Korea"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"286","published-online":{"date-parts":[[2019,12,11]]},"reference":[{"key":"2024050215162091000_b1","doi-asserted-by":"crossref","first-page":"277","DOI":"10.1055\/s-0031-1291633","article-title":"Biliary stenting: indications, choice of stents and results: European Society of 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