{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,17]],"date-time":"2026-08-17T18:05:10Z","timestamp":1786989910251,"version":"build-2736575974"},"reference-count":112,"publisher":"Elsevier BV","issue":"3","license":[{"start":{"date-parts":[[2022,7,1]],"date-time":"2022-07-01T00:00:00Z","timestamp":1656633600000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"},{"start":{"date-parts":[[2022,7,1]],"date-time":"2022-07-01T00:00:00Z","timestamp":1656633600000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/legal\/tdmrep-license"},{"start":{"date-parts":[[2022,7,1]],"date-time":"2022-07-01T00:00:00Z","timestamp":1656633600000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-017"},{"start":{"date-parts":[[2022,7,1]],"date-time":"2022-07-01T00:00:00Z","timestamp":1656633600000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-037"},{"start":{"date-parts":[[2022,7,1]],"date-time":"2022-07-01T00:00:00Z","timestamp":1656633600000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-012"},{"start":{"date-parts":[[2022,7,1]],"date-time":"2022-07-01T00:00:00Z","timestamp":1656633600000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-029"},{"start":{"date-parts":[[2022,7,1]],"date-time":"2022-07-01T00:00:00Z","timestamp":1656633600000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-004"}],"funder":[{"DOI":"10.13039\/501100002560","name":"Soonchunhyang University","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100002560","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["clinicalkey.com","clinicalkey.com.au","clinicalkey.es","clinicalkey.fr","clinicalkey.jp","theclinics.com","elsevier.com","sciencedirect.com"],"crossmark-restriction":true},"short-container-title":["Gastrointestinal Endoscopy Clinics of North America"],"published-print":{"date-parts":[[2022,7]]},"DOI":"10.1016\/j.giec.2022.01.003","type":"journal-article","created":{"date-parts":[[2022,5,11]],"date-time":"2022-05-11T05:18:39Z","timestamp":1652246319000},"page":"427-453","update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":9,"title":["Role of ERCP in Malignant Hilar Biliary Obstruction"],"prefix":"10.1016","volume":"32","author":[{"given":"Tae Hoon","family":"Lee","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jong Ho","family":"Moon","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sherman","family":"Stuart","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"78","reference":[{"issue":"3","key":"10.1016\/j.giec.2022.01.003_bib1","doi-asserted-by":"crossref","first-page":"579","DOI":"10.1111\/j.1349-7006.2009.01458.x","article-title":"Epidemiology of cholangiocarcinoma: an update focusing on risk factors","volume":"101","author":"Shin","year":"2010","journal-title":"Cancer Sci"},{"issue":"4","key":"10.1016\/j.giec.2022.01.003_bib2","doi-asserted-by":"crossref","first-page":"593","DOI":"10.1111\/jgh.12128","article-title":"Asia-Pacific consensus recommendations for endoscopic and interventional management of hilar cholangiocarcinoma","volume":"28","author":"Rerknimitr","year":"2013","journal-title":"J\u00a0Gastroenterol Hepatol"},{"issue":"10","key":"10.1016\/j.giec.2022.01.003_bib3","doi-asserted-by":"crossref","first-page":"1221","DOI":"10.1016\/j.cgh.2007.05.020","article-title":"Risk factors for intrahepatic and extrahepatic cholangiocarcinoma in the United States: a population-based case-control study","volume":"5","author":"Welzel","year":"2007","journal-title":"Clin Gastroenterol Hepatol"},{"issue":"9","key":"10.1016\/j.giec.2022.01.003_bib4","doi-asserted-by":"crossref","first-page":"512","DOI":"10.1038\/nrgastro.2011.131","article-title":"Clinical diagnosis and staging of cholangiocarcinoma","volume":"8","author":"Blechacz","year":"2011","journal-title":"Nat Rev Gastroenterol Hepatol"},{"issue":"4","key":"10.1016\/j.giec.2022.01.003_bib5","doi-asserted-by":"crossref","first-page":"1363","DOI":"10.1002\/hep.24227","article-title":"New staging system and a registry for perihilar cholangiocarcinoma","volume":"53","author":"Deoliveira","year":"2011","journal-title":"Hepatol"},{"issue":"1","key":"10.1016\/j.giec.2022.01.003_bib6","first-page":"45","article-title":"Cholangiocarcinoma: a 10-year experience of a single tertiary centre in the multi ethnicity-Malaysia","volume":"67","author":"Yusoff","year":"2012","journal-title":"Med J Malaysia"},{"issue":"2","key":"10.1016\/j.giec.2022.01.003_bib7","doi-asserted-by":"crossref","first-page":"217","DOI":"10.1002\/path.1711390210","article-title":"Pathological aspects of cholangiocarcinoma","volume":"139","author":"Weinbren","year":"1983","journal-title":"The Journal of pathology"},{"issue":"8","key":"10.1016\/j.giec.2022.01.003_bib8","doi-asserted-by":"crossref","first-page":"691","DOI":"10.1111\/hpb.12450","article-title":"Hilar cholangiocarcinoma: expert consensus statement","volume":"17","author":"Mansour","year":"2015","journal-title":"HPB"},{"issue":"1","key":"10.1016\/j.giec.2022.01.003_bib9","doi-asserted-by":"crossref","first-page":"31","DOI":"10.1097\/00000658-199201000-00005","article-title":"Management strategies in resection for hilar cholangiocarcinoma","volume":"215","author":"Bismuth","year":"1992","journal-title":"Annals of surgery"},{"issue":"2","key":"10.1016\/j.giec.2022.01.003_bib10","doi-asserted-by":"crossref","first-page":"118","DOI":"10.1007\/s005340170033","article-title":"Role of endoscopic endoprostheses in proximal malignant biliary obstruction","volume":"8","author":"Tibble","year":"2001","journal-title":"J\u00a0hepato-biliary-pancreatic Surg"},{"issue":"4","key":"10.1016\/j.giec.2022.01.003_bib11","doi-asserted-by":"crossref","first-page":"1180","DOI":"10.1016\/0016-5085(89)91639-9","article-title":"Endoscopic biliary therapy using the combined percutaneous and endoscopic technique","volume":"96","author":"Dowsett","year":"1989","journal-title":"Gastroenterology"},{"issue":"4","key":"10.1016\/j.giec.2022.01.003_bib12","doi-asserted-by":"crossref","first-page":"728","DOI":"10.1016\/j.gie.2010.06.040","article-title":"Prediction of drainage effectiveness during endoscopic stenting of malignant hilar strictures: the role of liver volume assessment","volume":"72","author":"Vienne","year":"2010","journal-title":"Gastrointest Endosc"},{"issue":"5","key":"10.1016\/j.giec.2022.01.003_bib13","doi-asserted-by":"crossref","first-page":"868","DOI":"10.1016\/j.gie.2010.12.036","article-title":"Grading the complexity of endoscopic procedures: results of an ASGE working party","volume":"73","author":"Cotton","year":"2011","journal-title":"Gastrointest Endosc"},{"issue":"6","key":"10.1016\/j.giec.2022.01.003_bib14","doi-asserted-by":"crossref","first-page":"503","DOI":"10.1055\/s-0034-1391231","article-title":"Prospective evaluation of ERCP performance: results of a nationwide quality registry","volume":"47","author":"Ekkelenkamp","year":"2015","journal-title":"Endosc"},{"issue":"12","key":"10.1016\/j.giec.2022.01.003_bib15","doi-asserted-by":"crossref","first-page":"1866","DOI":"10.1016\/j.cgh.2017.06.002","article-title":"Association Between Endoscopist and Center Endoscopic Retrograde Cholangiopancreatography Volume With Procedure Success and Adverse Outcomes: A Systematic Review and Meta-analysis","volume":"15","author":"Keswani","year":"2017","journal-title":"Clin Gastroenterol Hepatol"},{"issue":"9","key":"10.1016\/j.giec.2022.01.003_bib16","doi-asserted-by":"crossref","first-page":"910","DOI":"10.1055\/a-0659-9864","article-title":"Endoscopic biliary stenting: indications, choice of stents, and results: European Society of Gastrointestinal Endoscopy (ESGE) Clinical Guideline - Updated October 2017","volume":"50","author":"Dumonceau","year":"2018","journal-title":"Endoscopy"},{"key":"10.1016\/j.giec.2022.01.003_bib17","doi-asserted-by":"crossref","DOI":"10.1016\/j.gie.2020.12.035","article-title":"ASGE guideline on the role of endoscopy in the management of malignant hilar obstruction","author":"Qumseya","year":"2021","journal-title":"Gastrointest Endosc"},{"issue":"2","key":"10.1016\/j.giec.2022.01.003_bib18","doi-asserted-by":"crossref","first-page":"321","DOI":"10.1016\/j.jamcollsurg.2016.03.035","article-title":"Postoperative Mortality after Liver Resection for Perihilar Cholangiocarcinoma: Development of a Risk Score and Importance of Biliary Drainage of the Future Liver Remnant","volume":"223","author":"Wiggers","year":"2016","journal-title":"J\u00a0Am Coll Surg"},{"issue":"3","key":"10.1016\/j.giec.2022.01.003_bib19","doi-asserted-by":"crossref","first-page":"387","DOI":"10.1016\/j.jamcollsurg.2017.06.007","article-title":"Postoperative Liver Failure Risk Score: Identifying Patients with Resectable Perihilar Cholangiocarcinoma Who Can Benefit from Portal Vein Embolization","volume":"225","author":"Olthof","year":"2017","journal-title":"J\u00a0Am Coll Surg"},{"issue":"5","key":"10.1016\/j.giec.2022.01.003_bib20","doi-asserted-by":"crossref","first-page":"445","DOI":"10.1111\/j.1477-2574.2009.00090.x","article-title":"Role of preoperative biliary drainage of liver remnant prior to extended liver resection for hilar cholangiocarcinoma","volume":"11","author":"Kennedy","year":"2009","journal-title":"HPB"},{"issue":"2","key":"10.1016\/j.giec.2022.01.003_bib21","doi-asserted-by":"crossref","first-page":"274","DOI":"10.1002\/bjs.8950","article-title":"Multicentre European study of preoperative biliary drainage for hilar cholangiocarcinoma","volume":"100","author":"Farges","year":"2013","journal-title":"The British journal of surgery"},{"issue":"2","key":"10.1016\/j.giec.2022.01.003_bib22","doi-asserted-by":"crossref","first-page":"318","DOI":"10.1007\/s00268-008-9830-3","article-title":"Preoperative biliary drainage increases infectious complications after hepatectomy for proximal bile duct tumor obstruction","volume":"33","author":"Ferrero","year":"2009","journal-title":"World Journal Surgery"},{"issue":"3","key":"10.1016\/j.giec.2022.01.003_bib23","doi-asserted-by":"crossref","first-page":"261","DOI":"10.1001\/archsurg.134.3.261","article-title":"Association of preoperative biliary stenting with increased postoperative infectious complications in proximal cholangiocarcinoma","volume":"134","author":"Hochwald","year":"1999","journal-title":"Archives of surgery (Chicago, Ill : 1960)"},{"issue":"2","key":"10.1016\/j.giec.2022.01.003_bib24","first-page":"e182","article-title":"Effect of preoperative biliary drainage on bacterial flora in bile of patients with periampullary cancer. The British journal of surgery","volume":"104","author":"Scheufele","year":"2017"},{"issue":"43","key":"10.1016\/j.giec.2022.01.003_bib25","doi-asserted-by":"crossref","DOI":"10.1097\/MD.0000000000008372","article-title":"Best option for preoperative biliary drainage in Klatskin tumor: A systematic review and meta-analysis","volume":"96","author":"Tang","year":"2017","journal-title":"Medicine"},{"issue":"21","key":"10.1016\/j.giec.2022.01.003_bib26","doi-asserted-by":"crossref","DOI":"10.1097\/MD.0000000000020237","article-title":"The methods of preoperative biliary drainage for resectable hilar cholangiocarcinoma patients: A protocol for systematic review and meta analysis","volume":"99","author":"Chen","year":"2020","journal-title":"Medicine"},{"issue":"9","key":"10.1016\/j.giec.2022.01.003_bib27","doi-asserted-by":"crossref","first-page":"1628","DOI":"10.1016\/j.ejso.2017.04.001","article-title":"Preoperative biliary drainage in hilar cholangiocarcinoma: Systematic review and meta-analysis","volume":"43","author":"Celotti","year":"2017","journal-title":"Eur J Surg Oncol : J Eur Soc Surg Oncol Br Assoc Surg Oncol"},{"issue":"5","key":"10.1016\/j.giec.2022.01.003_bib28","doi-asserted-by":"crossref","first-page":"400","DOI":"10.1016\/j.hpb.2016.03.002","article-title":"Percutaneous vs. endoscopic pre-operative biliary drainage in hilar cholangiocarcinoma - a systematic review and meta-analysis","volume":"18","author":"Hameed","year":"2016","journal-title":"HPB : official J Int Hepato Pancreato Biliary Assoc"},{"issue":"4","key":"10.1016\/j.giec.2022.01.003_bib29","doi-asserted-by":"crossref","first-page":"576","DOI":"10.1016\/j.jvir.2016.12.1218","article-title":"Preoperative Biliary Drainage in Patients with Resectable Perihilar Cholangiocarcinoma: Is Percutaneous Transhepatic Biliary Drainage Safer and More Effective than Endoscopic Biliary Drainage? A Meta-Analysis","volume":"28","author":"Al Mahjoub","year":"2017","journal-title":"J\u00a0Vasc Interv Radiol"},{"issue":"4","key":"10.1016\/j.giec.2022.01.003_bib30","doi-asserted-by":"crossref","first-page":"503","DOI":"10.1007\/s00423-016-1427-y","article-title":"The type of preoperative biliary drainage predicts short-term outcome after major hepatectomy","volume":"401","author":"Kishi","year":"2016","journal-title":"Langenbecks Arch Surg"},{"issue":"12","key":"10.1016\/j.giec.2022.01.003_bib31","doi-asserted-by":"crossref","first-page":"1860","DOI":"10.1002\/bjs.7228","article-title":"Percutaneous transhepatic biliary drainage catheter tract recurrence in cholangiocarcinoma","volume":"97","author":"Takahashi","year":"2010","journal-title":"Br J Surg"},{"issue":"8","key":"10.1016\/j.giec.2022.01.003_bib32","doi-asserted-by":"crossref","first-page":"533","DOI":"10.1002\/jhbp.76","article-title":"Oncological benefit of preoperative endoscopic biliary drainage in patients with hilar cholangiocarcinoma","volume":"21","author":"Hirano","year":"2014","journal-title":"J\u00a0hepato-biliary-pancreatic Sci"},{"issue":"3","key":"10.1016\/j.giec.2022.01.003_bib33","doi-asserted-by":"crossref","first-page":"E281","DOI":"10.1055\/a-1067-4326","article-title":"Unilateral versus bilateral endoscopic stenting in patients with unresectable malignant hilar obstruction: a systematic review and meta-analysis","volume":"8","author":"Aghaie Meybodi","year":"2020","journal-title":"Endosc Int open"},{"issue":"4","key":"10.1016\/j.giec.2022.01.003_bib34","doi-asserted-by":"crossref","first-page":"932","DOI":"10.1111\/jgh.13602","article-title":"Percutaneous biliary approach as a successful rescue procedure after failed endoscopic therapy for drainage in advanced hilar tumors","volume":"32","author":"Jang","year":"2017","journal-title":"J\u00a0Gastroenterol Hepatol"},{"issue":"1","key":"10.1016\/j.giec.2022.01.003_bib35","doi-asserted-by":"crossref","first-page":"55","DOI":"10.1016\/j.gie.2008.04.005","article-title":"Palliative treatment with self-expandable metallic stents in patients with advanced type III or IV hilar cholangiocarcinoma: a percutaneous versus endoscopic approach","volume":"69","author":"Paik","year":"2009","journal-title":"Gastrointest Endosc"},{"issue":"29","key":"10.1016\/j.giec.2022.01.003_bib36","doi-asserted-by":"crossref","first-page":"3948","DOI":"10.3748\/wjg.v13.i29.3948","article-title":"Optimal biliary drainage for inoperable Klatskin's tumor based on Bismuth type","volume":"13","author":"Lee","year":"2007","journal-title":"World J Gastroenterol"},{"key":"10.1016\/j.giec.2022.01.003_bib37","first-page":"4726078","article-title":"Endoscopic versus Percutaneous Biliary Drainage in Palliation of Advanced Malignant Hilar Obstruction: A Meta-Analysis and Systematic Review","author":"Moole","year":"2016","journal-title":"Can J Gastroenterol Hepatol"},{"issue":"1","key":"10.1016\/j.giec.2022.01.003_bib38","doi-asserted-by":"crossref","first-page":"195","DOI":"10.1016\/j.gie.2009.08.006","article-title":"Expandable metal stents for endoscopic bilateral stent-within-stent placement for malignant hilar biliary obstruction","volume":"71","author":"Chahal","year":"2010","journal-title":"Gastrointest Endosc"},{"issue":"3","key":"10.1016\/j.giec.2022.01.003_bib39","doi-asserted-by":"crossref","first-page":"326","DOI":"10.3109\/00365521.2010.536253","article-title":"Y-shaped endoscopic bilateral metal stent placement for malignant hilar biliary obstruction: prospective long-term study","volume":"46","author":"Hwang","year":"2011","journal-title":"Scand J Gastroenterol"},{"issue":"Suppl 2","key":"10.1016\/j.giec.2022.01.003_bib40","doi-asserted-by":"crossref","first-page":"94","DOI":"10.1111\/den.12080","article-title":"Newly designed plastic stent for endoscopic placement above the sphincter of Oddi in patients with malignant hilar biliary obstruction","volume":"25","author":"Ishiwatari","year":"2013","journal-title":"Dig Endosc"},{"issue":"Suppl 2","key":"10.1016\/j.giec.2022.01.003_bib41","doi-asserted-by":"crossref","first-page":"75","DOI":"10.1111\/den.12061","article-title":"Endoscopic bilateral deployment of multiple metallic stents for malignant hilar biliary strictures","volume":"25","author":"Kato","year":"2013","journal-title":"Dig Endosc"},{"issue":"5","key":"10.1016\/j.giec.2022.01.003_bib42","doi-asserted-by":"crossref","first-page":"1030","DOI":"10.1016\/j.gie.2007.06.055","article-title":"Endoscopic 3-branched partial stent-in-stent deployment of metallic stents in high-grade malignant hilar biliary stricture (with videos)","volume":"66","author":"Kawamoto","year":"2007","journal-title":"Gastrointest Endosc"},{"issue":"2","key":"10.1016\/j.giec.2022.01.003_bib43","doi-asserted-by":"crossref","first-page":"463","DOI":"10.1007\/s00464-010-1194-8","article-title":"Newly designed large cell Niti-S stent for malignant hilar biliary obstruction: a pilot study","volume":"25","author":"Kogure","year":"2011","journal-title":"Surg Endosc"},{"issue":"2","key":"10.1016\/j.giec.2022.01.003_bib44","doi-asserted-by":"crossref","first-page":"364","DOI":"10.1016\/j.gie.2006.12.061","article-title":"Endoscopic bilateral metal stent placement for advanced hilar cholangiocarcinoma: a pilot study of a newly designed Y stent","volume":"66","author":"Lee","year":"2007","journal-title":"Gastrointest Endosc"},{"issue":"2","key":"10.1016\/j.giec.2022.01.003_bib45","first-page":"106","article-title":"Primary and revision efficacy of cross-wired metallic stents for endoscopic bilateral stent-in-stent placement in malignant hilar biliary strictures","volume":"45","author":"Lee","year":"2013","journal-title":"Endoscopy"},{"issue":"2","key":"10.1016\/j.giec.2022.01.003_bib46","doi-asserted-by":"crossref","first-page":"547","DOI":"10.1007\/s10620-012-2346-6","article-title":"Technical feasibility and revision efficacy of the sequential deployment of endoscopic bilateral side-by-side metal stents for malignant hilar biliary strictures: a multicenter prospective study","volume":"58","author":"Lee","year":"2013","journal-title":"Dig Dis Sci"},{"issue":"12","key":"10.1016\/j.giec.2022.01.003_bib47","doi-asserted-by":"crossref","first-page":"3279","DOI":"10.1007\/s10620-012-2270-9","article-title":"Side-by-side versus stent-in-stent deployment in bilateral endoscopic metal stenting for malignant hilar biliary obstruction","volume":"57","author":"Naitoh","year":"2012","journal-title":"Dig Dis Sci"},{"issue":"7","key":"10.1016\/j.giec.2022.01.003_bib48","doi-asserted-by":"crossref","first-page":"1357","DOI":"10.1016\/j.gie.2008.12.250","article-title":"Newly designed stent for endoscopic bilateral stent-in-stent placement of metallic stents in patients with malignant hilar biliary strictures: multicenter prospective feasibility study (with videos)","volume":"69","author":"Park do","year":"2009","journal-title":"Gastrointest Endosc"},{"issue":"6","key":"10.1016\/j.giec.2022.01.003_bib49","doi-asserted-by":"crossref","first-page":"1109","DOI":"10.1016\/j.gie.2009.05.013","article-title":"Usefulness of slimmer and open-cell-design stents for endoscopic bilateral stenting and endoscopic revision in patients with hilar cholangiocarcinoma (with video)","volume":"70","author":"Kim","year":"2009","journal-title":"Gastrointest Endosc"},{"issue":"3","key":"10.1016\/j.giec.2022.01.003_bib50","doi-asserted-by":"crossref","first-page":"334","DOI":"10.1016\/S0016-5107(00)70364-6","article-title":"Endoscopic bilateral metal stent placement for malignant hilar stenoses: identification of optimal technique","volume":"51","author":"Dumas","year":"2000","journal-title":"Gastrointestinal endoscopy"},{"issue":"1","key":"10.1016\/j.giec.2022.01.003_bib51","doi-asserted-by":"crossref","first-page":"39","DOI":"10.1007\/BF01658484","article-title":"Resection or palliation: priority of surgery in the treatment of hilar cancer","volume":"12","author":"Bismuth","year":"1988","journal-title":"World journal of surgery"},{"issue":"2","key":"10.1016\/j.giec.2022.01.003_bib52","doi-asserted-by":"crossref","first-page":"76","DOI":"10.5946\/ce.2011.44.2.76","article-title":"Endoscopic stent placement in the palliation of malignant biliary obstruction","volume":"44","author":"Kim","year":"2011","journal-title":"Clin Endosc"},{"issue":"3","key":"10.1016\/j.giec.2022.01.003_bib53","doi-asserted-by":"crossref","first-page":"260","DOI":"10.5946\/ce.2013.46.3.260","article-title":"Technical tips and issues of biliary stenting, focusing on malignant hilar obstruction","volume":"46","author":"Lee","year":"2013","journal-title":"Clin Endosc"},{"issue":"12","key":"10.1016\/j.giec.2022.01.003_bib54","doi-asserted-by":"crossref","first-page":"3710","DOI":"10.1007\/s10620-020-06155-z","article-title":"Retrospective Comparative Study of Side-by-Side and Stent-in-Stent Metal Stent Placement for Hilar Malignant Biliary Obstruction","volume":"65","author":"Ishigaki","year":"2020","journal-title":"Dig Dis Sci"},{"issue":"4","key":"10.1016\/j.giec.2022.01.003_bib55","first-page":"E12","article-title":"Technical tips and troubleshooting of endoscopic biliary drainage for unresectable malignant hilar biliary obstruction","volume":"22","author":"Kawakami","year":"2015","journal-title":"J\u00a0hepato-biliary-pancreatic Sci"},{"key":"10.1016\/j.giec.2022.01.003_bib56","doi-asserted-by":"crossref","first-page":"103","DOI":"10.1186\/1471-230X-12-103","article-title":"Endoscopic stenting for hilar cholangiocarcinoma: efficacy of unilateral and bilateral placement of plastic and metal stents in a retrospective review of 480 patients","volume":"12","author":"Liberato","year":"2012","journal-title":"BMC Gastroenterol"},{"issue":"2","key":"10.1016\/j.giec.2022.01.003_bib57","doi-asserted-by":"crossref","first-page":"214","DOI":"10.1007\/s00534-012-0508-8","article-title":"Metallic stents are more efficacious than plastic stents in unresectable malignant hilar biliary strictures: a randomized controlled trial","volume":"20","author":"Mukai","year":"2013","journal-title":"Journal of hepato-biliary-pancreatic sciences"},{"issue":"1","key":"10.1016\/j.giec.2022.01.003_bib58","doi-asserted-by":"crossref","first-page":"134","DOI":"10.1016\/j.jamcollsurg.2008.09.007","article-title":"Evidence-based approach to cholangiocarcinoma: a systematic review of the current literature","volume":"208","author":"Aljiffry","year":"2009","journal-title":"J\u00a0Am Coll Surg"},{"issue":"1","key":"10.1016\/j.giec.2022.01.003_bib59","doi-asserted-by":"crossref","first-page":"93","DOI":"10.1016\/j.gie.2012.02.048","article-title":"Efficacy of metal and plastic stents in unresectable complex hilar cholangiocarcinoma: a randomized controlled trial","volume":"76","author":"Sangchan","year":"2012","journal-title":"Gastrointest Endosc"},{"issue":"6","key":"10.1016\/j.giec.2022.01.003_bib60","doi-asserted-by":"crossref","first-page":"685","DOI":"10.1136\/gut.32.6.685","article-title":"Palliation of proximal malignant biliary obstruction by endoscopic endoprosthesis insertion","volume":"32","author":"Polydorou","year":"1991","journal-title":"Gut"},{"issue":"6","key":"10.1016\/j.giec.2022.01.003_bib61","doi-asserted-by":"crossref","first-page":"266","DOI":"10.1055\/s-2007-1012966","article-title":"A\u00a0comparison of right versus left hepatic duct endoprosthesis insertion in malignant hilar biliary obstruction","volume":"21","author":"Polydorou","year":"1989","journal-title":"Endosc"},{"issue":"6","key":"10.1016\/j.giec.2022.01.003_bib62","doi-asserted-by":"crossref","first-page":"547","DOI":"10.1067\/mge.2001.113381","article-title":"Unilateral versus bilateral endoscopic hepatic duct drainage in patients with malignant hilar biliary obstruction: results of a prospective, randomized, and controlled study","volume":"53","author":"De Palma","year":"2001","journal-title":"Gastrointest Endosc"},{"issue":"1","key":"10.1016\/j.giec.2022.01.003_bib63","doi-asserted-by":"crossref","first-page":"50","DOI":"10.1067\/mge.2003.310","article-title":"Unilateral placement of metallic stents for malignant hilar obstruction: a prospective study","volume":"58","author":"De Palma","year":"2003","journal-title":"Gastrointest Endosc"},{"issue":"6","key":"10.1016\/j.giec.2022.01.003_bib64","doi-asserted-by":"crossref","first-page":"681","DOI":"10.1067\/mge.2001.114714","article-title":"Endoscopic drainage of malignant hilar obstruction: is one biliary stent enough or should we work to place two?","volume":"53","author":"Sherman","year":"2001","journal-title":"Gastrointest Endosc"},{"issue":"1","key":"10.1016\/j.giec.2022.01.003_bib65","doi-asserted-by":"crossref","first-page":"43","DOI":"10.1111\/j.1443-1661.2010.01036.x","article-title":"Unilateral versus bilateral drainage using self-expandable metallic stent for unresectable hilar biliary obstruction","volume":"23","author":"Iwano","year":"2011","journal-title":"Dig Endosc"},{"issue":"1","key":"10.1016\/j.giec.2022.01.003_bib66","doi-asserted-by":"crossref","first-page":"43","DOI":"10.1097\/SLE.0000000000000594","article-title":"Comparison of Unilateral With Bilateral Metal Stenting for Malignant Hilar Biliary Obstruction","volume":"29","author":"Teng","year":"2019","journal-title":"Surgical laparoscopy, endoscopy & percutaneous techniques"},{"issue":"11","key":"10.1016\/j.giec.2022.01.003_bib67","doi-asserted-by":"crossref","first-page":"2745","DOI":"10.1007\/s00261-017-1174-8","article-title":"Unilateral versus bilateral stent insertion for malignant hilar biliary obstruction","volume":"42","author":"Chang","year":"2017","journal-title":"Abdominal Radiology (New York)"},{"issue":"5","key":"10.1016\/j.giec.2022.01.003_bib68","doi-asserted-by":"crossref","first-page":"354","DOI":"10.1016\/S0016-5107(98)70218-4","article-title":"Outcome in patients with bifurcation tumors who undergo unilateral versus bilateral hepatic duct drainage","volume":"47","author":"Chang","year":"1998","journal-title":"Gastrointest Endosc"},{"issue":"17","key":"10.1016\/j.giec.2022.01.003_bib69","first-page":"1267","article-title":"Cholangitis after endoscopic biliary drainage for hilar lesions","volume":"44","author":"Nomura","year":"1997","journal-title":"Hepatogastroenterology"},{"issue":"Suppl 6","key":"10.1016\/j.giec.2022.01.003_bib70","first-page":"VI1","article-title":"Guidelines for the diagnosis and treatment of cholangiocarcinoma: consensus document","volume":"51","author":"Khan","year":"2002","journal-title":"Gut"},{"issue":"1","key":"10.1016\/j.giec.2022.01.003_bib71","doi-asserted-by":"crossref","first-page":"41","DOI":"10.1067\/mge.2003.292","article-title":"Selective MRCP and CT-targeted drainage of malignant hilar biliary obstruction with self-expanding metallic stents","volume":"58","author":"Freeman","year":"2003","journal-title":"Gastrointest Endosc"},{"issue":"1","key":"10.1016\/j.giec.2022.01.003_bib72","doi-asserted-by":"crossref","first-page":"40","DOI":"10.1067\/mge.2001.111388","article-title":"Magnetic resonance cholangiopancreatography-guided unilateral endoscopic stent placement for Klatskin tumors","volume":"53","author":"Hintze","year":"2001","journal-title":"Gastrointest Endosc"},{"issue":"4","key":"10.1016\/j.giec.2022.01.003_bib73","doi-asserted-by":"crossref","first-page":"552","DOI":"10.1111\/j.1440-1746.2008.05750.x","article-title":"Unilateral versus bilateral endoscopic metal stenting for malignant hilar biliary obstruction","volume":"24","author":"Naitoh","year":"2009","journal-title":"J\u00a0Gastroenterol Hepatol"},{"issue":"5","key":"10.1016\/j.giec.2022.01.003_bib74","doi-asserted-by":"crossref","first-page":"817","DOI":"10.1016\/j.gie.2017.04.037","article-title":"Bilateral versus unilateral placement of metal stents for inoperable high-grade malignant hilar biliary strictures: a multicenter, prospective, randomized study (with video)","volume":"86","author":"Lee","year":"2017","journal-title":"Gastrointest Endosc"},{"issue":"6","key":"10.1016\/j.giec.2022.01.003_bib75","doi-asserted-by":"crossref","first-page":"355","DOI":"10.1007\/s12664-013-0413-3","article-title":"Bilateral and unilateral stenting for malignant hilar obstruction: a systematic review and meta-analysis","volume":"32","author":"Puli","year":"2013","journal-title":"Indian Journal Gastroenterology"},{"issue":"3","key":"10.1016\/j.giec.2022.01.003_bib76","doi-asserted-by":"crossref","first-page":"632","DOI":"10.1016\/j.gie.2010.04.037","article-title":"Initial performance profile of a new 6F self-expanding metal stent for palliation of malignant hilar biliary obstruction","volume":"72","author":"Chennat","year":"2010","journal-title":"Gastrointest Endosc"},{"issue":"9","key":"10.1016\/j.giec.2022.01.003_bib77","doi-asserted-by":"crossref","first-page":"2667","DOI":"10.1007\/s10620-013-2671-4","article-title":"Bilateral metal stents for hilar biliary obstruction using a 6Fr delivery system: outcomes following bilateral and side-by-side stent deployment","volume":"58","author":"Law","year":"2013","journal-title":"Dig Dis Sci"},{"issue":"2","key":"10.1016\/j.giec.2022.01.003_bib78","doi-asserted-by":"crossref","first-page":"222","DOI":"10.1016\/j.gie.2019.03.011","article-title":"Prospective comparison of endoscopic bilateral stent-in-stent versus stent-by-stent deployment for inoperable advanced malignant hilar biliary stricture","volume":"90","author":"Lee","year":"2019","journal-title":"Gastrointest Endosc"},{"issue":"114","key":"10.1016\/j.giec.2022.01.003_bib79","doi-asserted-by":"crossref","first-page":"341","DOI":"10.1016\/S0016-5085(12)61289-X","article-title":"A\u00a0comparison of bilateral stenting methods for malignant hilar biliary obstruction","volume":"59","author":"Kim","year":"2012","journal-title":"Hepatogastroenterology"},{"key":"10.1016\/j.giec.2022.01.003_bib80","article-title":"Endoscopic Bilateral Stent-in-Stent Versus Stent-by-Stent Deployment in Advanced Malignant Hilar Obstruction: A Meta-Analysis and Systematic Review","author":"Shim","year":"2021","journal-title":"Dig Dis Sci"},{"issue":"1","key":"10.1016\/j.giec.2022.01.003_bib81","doi-asserted-by":"crossref","first-page":"33","DOI":"10.1067\/mge.2002.125364","article-title":"Endoscopic palliation of patients with biliary obstruction caused by nonresectable hilar cholangiocarcinoma: efficacy of self-expandable metallic Wallstents","volume":"56","author":"Cheng","year":"2002","journal-title":"Gastrointest Endosc"},{"issue":"6","key":"10.1016\/j.giec.2022.01.003_bib82","doi-asserted-by":"crossref","first-page":"574","DOI":"10.1016\/S0016-5107(98)70038-0","article-title":"Randomized trial of stent placed above and across the sphincter of Oddi in malignant bile duct obstruction","volume":"48","author":"Pedersen","year":"1998","journal-title":"Gastrointest Endosc"},{"issue":"9","key":"10.1016\/j.giec.2022.01.003_bib83","doi-asserted-by":"crossref","first-page":"650","DOI":"10.1002\/jhbp.270","article-title":"Topic controversies in the endoscopic management of malignant hilar strictures using metal stent: side-by-side versus stent-in-stent techniques","volume":"22","author":"Moon","year":"2015","journal-title":"Journal of hepato-biliary-pancreatic sciences"},{"issue":"6","key":"10.1016\/j.giec.2022.01.003_bib84","doi-asserted-by":"crossref","first-page":"485","DOI":"10.1007\/s12328-017-0778-4","article-title":"Endoscopic biliary stenting for unresectable malignant hilar obstruction","volume":"10","author":"Fukasawa","year":"2017","journal-title":"Clin J Gastroenterol"},{"issue":"12","key":"10.1016\/j.giec.2022.01.003_bib85","doi-asserted-by":"crossref","first-page":"1129","DOI":"10.1055\/s-0042-112574","article-title":"Third metal stent for revision of malignant hilar biliary strictures","volume":"48","author":"Lee","year":"2016","journal-title":"Endoscopy"},{"issue":"4","key":"10.1016\/j.giec.2022.01.003_bib86","doi-asserted-by":"crossref","first-page":"401","DOI":"10.1016\/j.cgh.2007.12.036","article-title":"Endoscopic deployment of multiple JOSTENT SelfX is effective and safe in treatment of malignant hilar biliary strictures","volume":"6","author":"Kawamoto","year":"2008","journal-title":"Clin Gastroenterol Hepatol"},{"issue":"7","key":"10.1016\/j.giec.2022.01.003_bib87","doi-asserted-by":"crossref","first-page":"1011","DOI":"10.1016\/j.cgh.2015.12.032","article-title":"Similar Efficacies of Endoscopic Ultrasound-guided Transmural and Percutaneous Drainage for Malignant Distal Biliary Obstruction","volume":"14","author":"Lee","year":"2016","journal-title":"Clin Gastroenterol Hepatol : official Clin Pract J Am Gastroenterological Assoc"},{"issue":"7","key":"10.1016\/j.giec.2022.01.003_bib88","doi-asserted-by":"crossref","first-page":"987","DOI":"10.1038\/s41395-018-0122-8","article-title":"EUS-Guided Biliary Drainage Versus ERCP for the Primary Palliation of Malignant Biliary Obstruction: A Multicenter Randomized Clinical Trial","volume":"113","author":"Paik","year":"2018","journal-title":"Am J Gastroenterol"},{"issue":"3","key":"10.1016\/j.giec.2022.01.003_bib89","doi-asserted-by":"crossref","first-page":"220","DOI":"10.5946\/ce.2018.094","article-title":"Endoscopic Ultrasound-Guided Biliary Drainage for Unresectable Hilar Malignant Biliary Obstruction","volume":"52","author":"Nakai","year":"2019","journal-title":"Clin Endosc"},{"issue":"2","key":"10.1016\/j.giec.2022.01.003_bib90","doi-asserted-by":"crossref","first-page":"218","DOI":"10.1111\/den.12752","article-title":"Indications for endoscopic ultrasonography (EUS)-guided biliary intervention: Does EUS always come after failed endoscopic retrograde cholangiopancreatography?","volume":"29","author":"Nakai","year":"2017","journal-title":"Dig Endosc"},{"issue":"11","key":"10.1016\/j.giec.2022.01.003_bib91","doi-asserted-by":"crossref","first-page":"2765","DOI":"10.1007\/s10620-012-2272-7","article-title":"Management of occluded metal stents in malignant biliary obstruction: similar outcomes with second metal stents compared to plastic stents","volume":"57","author":"Shah","year":"2012","journal-title":"Dig Dis Sci"},{"issue":"12","key":"10.1016\/j.giec.2022.01.003_bib92","doi-asserted-by":"crossref","first-page":"3099","DOI":"10.1007\/s10620-014-3264-6","article-title":"Comparison of metal stenting with radiofrequency ablation versus stenting alone for treating malignant biliary strictures: is there an added benefit?","volume":"59","author":"Sharaiha","year":"2014","journal-title":"Dig Dis Sci"},{"issue":"8","key":"10.1016\/j.giec.2022.01.003_bib93","doi-asserted-by":"crossref","first-page":"751","DOI":"10.1055\/s-0043-124870","article-title":"Efficacy and safety of endoscopic radiofrequency ablation for unresectable extrahepatic cholangiocarcinoma: a randomized trial","volume":"50","author":"Yang","year":"2018","journal-title":"Endosc"},{"issue":"3","key":"10.1016\/j.giec.2022.01.003_bib94","doi-asserted-by":"crossref","first-page":"318","DOI":"10.5009\/gnl.2014.8.3.318","article-title":"Long-term outcome of photodynamic therapy with systemic chemotherapy compared to photodynamic therapy alone in patients with advanced hilar cholangiocarcinoma","volume":"8","author":"Hong","year":"2014","journal-title":"Gut and liver"},{"issue":"2","key":"10.1016\/j.giec.2022.01.003_bib95","doi-asserted-by":"crossref","first-page":"352","DOI":"10.1016\/S0168-8278(00)80083-5","article-title":"Neoadjuvant photodynamic therapy before curative resection of proximal bile duct carcinoma","volume":"32","author":"Berr","year":"2000","journal-title":"J\u00a0Hepatol"},{"issue":"4","key":"10.1016\/j.giec.2022.01.003_bib96","doi-asserted-by":"crossref","first-page":"345","DOI":"10.3904\/kjim.2010.25.4.345","article-title":"The role of photodynamic therapy for hilar cholangiocarcinoma","volume":"25","author":"Cheon","year":"2010","journal-title":"Korean J Intern Med"},{"issue":"5","key":"10.1016\/j.giec.2022.01.003_bib97","first-page":"280","article-title":"[Comparison of survival of advanced hilar cholangiocarcinoma after biliary drainage alone versus photodynamic therapy with external drainage]","volume":"44","author":"Cheon","year":"2004","journal-title":"Korean J Gastroenterol"},{"issue":"5","key":"10.1016\/j.giec.2022.01.003_bib98","doi-asserted-by":"crossref","first-page":"1355","DOI":"10.1016\/j.gastro.2003.07.015","article-title":"Successful photodynamic therapy for nonresectable cholangiocarcinoma: a randomized prospective study","volume":"125","author":"Ortner","year":"2003","journal-title":"Gastroenterol Nov"},{"issue":"11","key":"10.1016\/j.giec.2022.01.003_bib99","doi-asserted-by":"crossref","first-page":"2426","DOI":"10.1111\/j.1572-0241.2005.00318.x","article-title":"Palliation of nonresectable bile duct cancer: improved survival after photodynamic therapy","volume":"100","author":"Zoepf","year":"2005","journal-title":"Am J Gastroenterol"},{"issue":"7","key":"10.1016\/j.giec.2022.01.003_bib100","doi-asserted-by":"crossref","first-page":"860","DOI":"10.1016\/S0016-5107(03)70021-2","article-title":"Phase II study of photodynamic therapy and metal stent as palliative treatment for nonresectable hilar cholangiocarcinoma","volume":"57","author":"Dumoulin","year":"2003","journal-title":"Gastrointest Endosc"},{"issue":"3","key":"10.1016\/j.giec.2022.01.003_bib101","doi-asserted-by":"crossref","first-page":"290","DOI":"10.1016\/j.cgh.2007.12.004","article-title":"Unresectable cholangiocarcinoma: comparison of survival in biliary stenting alone versus stenting with photodynamic therapy","volume":"6","author":"Kahaleh","year":"2008","journal-title":"Clin Gastroenterol Hepatol"},{"issue":"2","key":"10.1016\/j.giec.2022.01.003_bib102","doi-asserted-by":"crossref","first-page":"230","DOI":"10.1097\/01.sla.0000217639.10331.47","article-title":"Surgical and palliative management and outcome in 184 patients with hilar cholangiocarcinoma: palliative photodynamic therapy plus stenting is comparable to r1\/r2 resection","volume":"244","author":"Witzigmann","year":"2006","journal-title":"Ann Surg"},{"issue":"7","key":"10.1016\/j.giec.2022.01.003_bib103","doi-asserted-by":"crossref","first-page":"570","DOI":"10.1111\/j.1477-2574.2009.00102.x","article-title":"Photodynamic therapy is associated with an improvement in survival in patients with irresectable hilar cholangiocarcinoma","volume":"11","author":"Quyn","year":"2009","journal-title":"HPB"},{"issue":"3","key":"10.1016\/j.giec.2022.01.003_bib104","doi-asserted-by":"crossref","first-page":"185","DOI":"10.1111\/j.1477-2574.2011.00424.x","article-title":"Longterm outcome of photodynamic therapy compared with biliary stenting alone in patients with advanced hilar cholangiocarcinoma","volume":"14","author":"Cheon","year":"2012","journal-title":"HPB"},{"issue":"1","key":"10.1016\/j.giec.2022.01.003_bib105","first-page":"28","article-title":"Combination of bilateral metal stenting and trans-stent photodynamic therapy for palliative treatment of hilar cholangiocarcinoma","volume":"48","author":"Gerhardt","year":"2010","journal-title":"Z\u00a0Gastroenterologie"},{"issue":"4","key":"10.1016\/j.giec.2022.01.003_bib106","doi-asserted-by":"crossref","first-page":"570","DOI":"10.1177\/2050640615621235","article-title":"Short-term effects and adverse events of endoscopically applied radiofrequency ablation appear to be comparable with photodynamic therapy in hilar cholangiocarcinoma","volume":"4","author":"Schmidt","year":"2016","journal-title":"United Eur Gastroenterol J"},{"issue":"7","key":"10.1016\/j.giec.2022.01.003_bib107","doi-asserted-by":"crossref","first-page":"595","DOI":"10.1055\/a-1133-4448","article-title":"Endobiliary radiofrequency ablation combined with bilateral metal stent placement for malignant hilar biliary obstruction","volume":"52","author":"Inoue","year":"2020","journal-title":"Endosc"},{"issue":"1","key":"10.1016\/j.giec.2022.01.003_bib108","doi-asserted-by":"crossref","first-page":"13685","DOI":"10.1038\/s41598-019-50132-0","article-title":"Endoscopic Radiofrequency Ablation Prolongs Survival of Patients with Unresectable Hilar Cholangiocellular Carcinoma - A Case-Control Study","volume":"9","author":"Bokemeyer","year":"2019","journal-title":"Scientific Rep"},{"issue":"1","key":"10.1016\/j.giec.2022.01.003_bib109","doi-asserted-by":"crossref","first-page":"13","DOI":"10.4253\/wjge.v6.i1.13","article-title":"Intraductal endoscopic radiofrequency ablation for the treatment of hilar non-resectable malignant bile duct obstruction","volume":"6","author":"Tal","year":"2014","journal-title":"World J Gastrointest Endosc"},{"issue":"10","key":"10.1016\/j.giec.2022.01.003_bib110","doi-asserted-by":"crossref","first-page":"E1293","DOI":"10.1055\/a-0970-9005","article-title":"Intraductal temperature-controlled radiofrequency ablation in malignant hilar obstruction: a preliminary study in animals and initial human experience","volume":"7","author":"Kim","year":"2019","journal-title":"Endosc Int open"},{"key":"10.1016\/j.giec.2022.01.003_bib111","article-title":"Efficacy and safety of temperature-controlled intraductal radiofrequency ablation in advanced malignant hilar biliary obstruction: A pilot multicenter randomized comparative trial","author":"Kang","year":"2021","journal-title":"J\u00a0hepato-biliary-pancreatic Sci"},{"key":"10.1016\/j.giec.2022.01.003_bib112","article-title":"Photodynamic Therapy (PDT), Radiofrequency Ablation (RFA) With Biliary Stents in Palliative Treatment of Unresectable Extrahepatic Cholangiocarcinoma: A Systematic Review and Meta-analysis","author":"Mohan","year":"2021","journal-title":"J\u00a0Clin Gastroenterol"}],"container-title":["Gastrointestinal Endoscopy Clinics of North America"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S1052515722000034?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S1052515722000034?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2025,10,20]],"date-time":"2025-10-20T07:22:19Z","timestamp":1760944939000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S1052515722000034"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2022,7]]},"references-count":112,"journal-issue":{"issue":"3","published-print":{"date-parts":[[2022,7]]}},"alternative-id":["S1052515722000034"],"URL":"https:\/\/doi.org\/10.1016\/j.giec.2022.01.003","relation":{},"ISSN":["1052-5157"],"issn-type":[{"value":"1052-5157","type":"print"}],"subject":[],"published":{"date-parts":[[2022,7]]},"assertion":[{"value":"Elsevier","name":"publisher","label":"This article is maintained by"},{"value":"Role of ERCP in Malignant Hilar Biliary Obstruction","name":"articletitle","label":"Article Title"},{"value":"Gastrointestinal Endoscopy Clinics of North America","name":"journaltitle","label":"Journal Title"},{"value":"https:\/\/doi.org\/10.1016\/j.giec.2022.01.003","name":"articlelink","label":"CrossRef DOI link to publisher maintained version"},{"value":"article","name":"content_type","label":"Content Type"},{"value":"\u00a9 2022 Elsevier Inc. All rights reserved.","name":"copyright","label":"Copyright"}]}}