{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,3]],"date-time":"2026-09-03T01:02:40Z","timestamp":1788397360982,"version":"build-2803163510"},"reference-count":26,"publisher":"Ovid Technologies (Wolters Kluwer Health)","issue":"9","license":[{"start":{"date-parts":[[2015,8,25]],"date-time":"2015-08-25T00:00:00Z","timestamp":1440460800000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"},{"start":{"date-parts":[[2015,8,25]],"date-time":"2015-08-25T00:00:00Z","timestamp":1440460800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Liver Transpl"],"published-print":{"date-parts":[[2015,9]]},"abstract":"<jats:p>The purpose of our study was to address the long\u2010term outcome of angioplasty and stent placement for hepatic venous outflow obstruction following pediatric liver transplantation. From October 1999 to December 2011, 20 stenotic lesions were confirmed to constitute hepatic venous outflow obstruction in 18 pediatric patients (13 boys, 5 girls) among 152 pediatric patients following liver transplantation and were managed with endovascular intervention. Stent placement was favored over additional angioplasty in patients of preadolescent or adolescent age (&gt;8 years old), after 1 or 2 sessions of balloon angioplasty. The primary patency and assisted primary patency were estimated using the Kaplan\u2010Meier method. A total of 32 procedures (24 balloon angioplasties, 8 stent placements) were conducted. The technical success rate was 90.6% (29\/32). Clinical success was achieved in 15 of 18 patients (clinical success rate of 83.3%). Major complications did not occur in our study. Median follow\u2010up was 91.5 months (interquartile range, 54.7\u2010137.3 months) for the 18 patients. The 1\u2010year, 3\u2010year, 5\u2010year, and 10\u2010year primary patencies of the 20 treated lesions were 63.5%, 57.8%, 57.8%, and 57.8%, respectively. The 1\u2010year, 3\u2010year, 5\u2010year, and 10\u2010year assisted\u2010primary patencies of the lesions were 100%, 100%, 100%, and 100%, respectively. Of the 6 patients of preadolescent or adolescent age, 5 patients underwent stent placement procedures, and the stents were patent during the follow\u2010up period of 57.3\u2010162.5 months (median, 72.7 months). In conclusion, endovascular intervention is very effective in hepatic venous outflow obstruction following pediatric liver transplantation. In addition, early stent placement in patients of preadolescent or adolescent age can provide a safe and favorable long\u2010term outcome. <jats:italic toggle=\"yes\">Liver Transpl 21:1219\u20101226, 2015<\/jats:italic>. \u00a9 2015 AASLD.<\/jats:p>","DOI":"10.1002\/lt.24215","type":"journal-article","created":{"date-parts":[[2015,7,22]],"date-time":"2015-07-22T09:47:46Z","timestamp":1437558466000},"page":"1219-1226","source":"Crossref","is-referenced-by-count":24,"title":["Long\u2010term outcome of endovascular intervention in hepatic venous outflow obstruction following pediatric liver transplantation"],"prefix":"10.1097","volume":"21","author":[{"given":"Jin Woo","family":"Choi","sequence":"first","affiliation":[{"name":"Department of Radiology,Seoul National University Hospital,Seoul,Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hwan Jun","family":"Jae","sequence":"additional","affiliation":[{"name":"Department of Radiology,Seoul National University Hospital,Seoul,Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hyo\u2010Cheol","family":"Kim","sequence":"additional","affiliation":[{"name":"Department of Radiology,Seoul National University Hospital,Seoul,Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Nam\u2010Joon","family":"Yi","sequence":"additional","affiliation":[{"name":"Department of Surgery,Seoul National University Hospital,Seoul,Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kwang\u2010Woong","family":"Lee","sequence":"additional","affiliation":[{"name":"Department of Surgery,Seoul National University Hospital,Seoul,Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kyung\u2010Suk","family":"Suh","sequence":"additional","affiliation":[{"name":"Department of Surgery,Seoul National University Hospital,Seoul,Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jin Wook","family":"Chung","sequence":"additional","affiliation":[{"name":"Department of Radiology,Seoul National University Hospital,Seoul,Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"276","published-online":{"date-parts":[[2015,8,25]]},"reference":[{"key":"lt24215-bib-0001-20240115","doi-asserted-by":"crossref","first-page":"1407","DOI":"10.1002\/hep.20704","article-title":"AASLD practice guidelines: Evaluation of the patient for liver transplantation","volume":"41","year":"2005","journal-title":"Hepatology"},{"key":"lt24215-bib-0002-20240115","doi-asserted-by":"crossref","first-page":"658","DOI":"10.1097\/00000658-200211000-00017","article-title":"Long\u2010term venous complications after full\u2010size and segmental pediatric liver transplantation","volume":"236","year":"2002","journal-title":"Ann Surg"},{"key":"lt24215-bib-0003-20240115","doi-asserted-by":"crossref","first-page":"567","DOI":"10.1148\/rg.292085037","article-title":"Interventional radiology 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