{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,11,4]],"date-time":"2026-11-04T22:27:49Z","timestamp":1793831269510,"version":"4.6.1"},"reference-count":66,"publisher":"Elsevier BV","license":[{"start":{"date-parts":[[2020,4,1]],"date-time":"2020-04-01T00:00:00Z","timestamp":1585699200000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"},{"start":{"date-parts":[[2020,2,12]],"date-time":"2020-02-12T00:00:00Z","timestamp":1581465600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"}],"content-domain":{"domain":["ejradiology.com","clinicalkey.jp","clinicalkey.com","clinicalkey.es","clinicalkey.com.au","clinicalkey.fr","elsevier.com","sciencedirect.com"],"crossmark-restriction":true},"short-container-title":["European Journal of Radiology"],"published-print":{"date-parts":[[2020,4]]},"DOI":"10.1016\/j.ejrad.2020.108897","type":"journal-article","created":{"date-parts":[[2020,2,13]],"date-time":"2020-02-13T07:29:41Z","timestamp":1581578981000},"page":"108897","update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":36,"special_numbering":"C","title":["Meta-analysis of the efficacy of preoperative biliary drainage in patients undergoing liver resection for perihilar cholangiocarcinoma"],"prefix":"10.1016","volume":"125","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-6163-1525","authenticated-orcid":false,"given":"Arianeb","family":"Mehrabi","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Elias","family":"Khajeh","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Omid","family":"Ghamarnejad","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mohammadsadegh","family":"Nikdad","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"De-Hua","family":"Chang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Markus W.","family":"B\u00fcchler","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Katrin","family":"Hoffmann","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"78","reference":[{"issue":"4","key":"10.1016\/j.ejrad.2020.108897_bib0005","doi-asserted-by":"crossref","first-page":"463","DOI":"10.1097\/00000658-199610000-00005","article-title":"Cholangiocarcinoma. A spectrum of intrahepatic, perihilar, and distal tumors","volume":"224","author":"Nakeeb","year":"1996","journal-title":"Ann. Surg."},{"issue":"4","key":"10.1016\/j.ejrad.2020.108897_bib0010","doi-asserted-by":"crossref","first-page":"848","DOI":"10.1016\/j.jhep.2011.11.015","article-title":"Rising trends in cholangiocarcinoma: is the ICD classification system misleading us?","volume":"56","author":"Khan","year":"2012","journal-title":"J. Hepatol."},{"issue":"12","key":"10.1016\/j.ejrad.2020.108897_bib0015","doi-asserted-by":"crossref","first-page":"3103","DOI":"10.1007\/s10620-014-3276-2","article-title":"Secular trends in the incidence of cholangiocarcinoma in the USA and the impact of misclassification","volume":"59","author":"Tyson","year":"2014","journal-title":"Dig. Dis. Sci."},{"issue":"11","key":"10.1016\/j.ejrad.2020.108897_bib0020","doi-asserted-by":"crossref","first-page":"777","DOI":"10.1111\/j.1477-2574.2012.00536.x","article-title":"Intrahepatic cholangiocarcinoma in a low endemic area: rising incidence and improved survival","volume":"14","author":"Witjes","year":"2012","journal-title":"HPB (Oxford)"},{"issue":"7","key":"10.1016\/j.ejrad.2020.108897_bib0025","doi-asserted-by":"crossref","first-page":"787","DOI":"10.1016\/j.ejso.2007.10.005","article-title":"Surgery for hilar cholangiocarcinoma: the Leeds experience","volume":"34","author":"Hidalgo","year":"2008","journal-title":"Eur. J. Surg. Oncol."},{"issue":"4","key":"10.1016\/j.ejrad.2020.108897_bib0030","doi-asserted-by":"crossref","first-page":"455","DOI":"10.1007\/s00534-009-0208-1","article-title":"Outcome of surgical treatment of hilar cholangiocarcinoma: a special reference to postoperative morbidity and mortality","volume":"17","author":"Hirano","year":"2010","journal-title":"J. Hepatobiliary Pancreat. Sci."},{"issue":"1","key":"10.1016\/j.ejrad.2020.108897_bib0035","doi-asserted-by":"crossref","first-page":"87","DOI":"10.1016\/j.jamcollsurg.2016.01.060","article-title":"Preoperative cholangitis and future liver remnant volume determine the risk of liver failure in patients undergoing resection for hilar cholangiocarcinoma","volume":"223","author":"Ribero","year":"2016","journal-title":"J. Am. Coll. Surg."},{"issue":"3","key":"10.1016\/j.ejrad.2020.108897_bib0040","doi-asserted-by":"crossref","first-page":"215","DOI":"10.1007\/BF02350901","article-title":"Preoperative management of hilar cholangiocarcinoma","volume":"2","author":"Nagino","year":"1995","journal-title":"J. Hepatobiliary Pancreat. Surg."},{"issue":"3","key":"10.1016\/j.ejrad.2020.108897_bib0045","doi-asserted-by":"crossref","first-page":"68","DOI":"10.4253\/wjge.v6.i3.68","article-title":"Preoperative biliary drainage in hilar cholangiocarcinoma: when and how?","volume":"6","author":"Paik","year":"2014","journal-title":"World J. Gastrointest. Endosc."},{"issue":"2","key":"10.1016\/j.ejrad.2020.108897_bib0050","doi-asserted-by":"crossref","first-page":"191","DOI":"10.1097\/SLA.0b013e31826f4b0e","article-title":"Role of preoperative biliary drainage in jaundiced patients who are candidates for pancreatoduodenectomy or hepatic resection: highlights and drawbacks","volume":"257","author":"Iacono","year":"2013","journal-title":"Ann. Surg."},{"issue":"4","key":"10.1016\/j.ejrad.2020.108897_bib0055","doi-asserted-by":"crossref","first-page":"814","DOI":"10.1007\/s11605-008-0618-4","article-title":"Preoperative biliary drainage in patients with obstructive jaundice: history and current status","volume":"13","author":"van der Gaag","year":"2009","journal-title":"J. Gastrointest. Surg."},{"issue":"2","key":"10.1016\/j.ejrad.2020.108897_bib0060","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":"Br. J. Surg."},{"issue":"6","key":"10.1016\/j.ejrad.2020.108897_bib0065","doi-asserted-by":"crossref","first-page":"1065","DOI":"10.1007\/s00423-009-0464-1","article-title":"Preoperative cholangitis independently increases in-hospital mortality after combined major hepatic and bile duct resection for hilar cholangiocarcinoma","volume":"394","author":"Sakata","year":"2009","journal-title":"Langenbecks Arch. Surg."},{"issue":"1","key":"10.1016\/j.ejrad.2020.108897_bib0070","doi-asserted-by":"crossref","first-page":"129","DOI":"10.1097\/SLA.0b013e3182708b57","article-title":"Evolution of surgical treatment for perihilar cholangiocarcinoma: a single-center 34-year review of 574 consecutive resections","volume":"258","author":"Nagino","year":"2013","journal-title":"Ann. Surg."},{"issue":"5","key":"10.1016\/j.ejrad.2020.108897_bib0075","doi-asserted-by":"crossref","first-page":"1190","DOI":"10.1016\/j.surg.2014.04.036","article-title":"The adverse effects of preoperative cholangitis on the outcome of portal vein embolization and subsequent major hepatectomies","volume":"156","author":"Yokoyama","year":"2014","journal-title":"Surgery"},{"issue":"99\u2013100","key":"10.1016\/j.ejrad.2020.108897_bib0080","first-page":"414","article-title":"Pre-operative biliary drainage in hilar cholangiocarcinoma, benefits and risks, single center experience","volume":"57","author":"El-Hanafy","year":"2010","journal-title":"Hepatogastroenterology"},{"issue":"2","key":"10.1016\/j.ejrad.2020.108897_bib0085","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 J. Surg."},{"issue":"3","key":"10.1016\/j.ejrad.2020.108897_bib0090","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":"Arch. Surg."},{"issue":"3","key":"10.1016\/j.ejrad.2020.108897_bib0095","doi-asserted-by":"crossref","first-page":"319","DOI":"10.5582\/bst.2017.01107","article-title":"Preoperative biliary drainage versus direct surgery for perihilar cholangiocarcinoma: a retrospective study at a single center","volume":"11","author":"Cai","year":"2017","journal-title":"Biosci. Trends"},{"issue":"3","key":"10.1016\/j.ejrad.2020.108897_bib0100","doi-asserted-by":"crossref","first-page":"329","DOI":"10.1007\/s00534-009-0249-5","article-title":"Changes in the surgical approach to hilar cholangiocarcinoma during an 18\u2010year period in a Western single center","volume":"17","author":"Ercolani","year":"2010","journal-title":"J. Hepatobiliary Pancreat. Sci."},{"issue":"6","key":"10.1016\/j.ejrad.2020.108897_bib0105","doi-asserted-by":"crossref","first-page":"786","DOI":"10.1053\/jlts.2000.8507","article-title":"Changing strategies in diagnosis and management of hilar cholangiocarcinoma","volume":"6","author":"Figueras","year":"2000","journal-title":"Liver Transplant."},{"issue":"4","key":"10.1016\/j.ejrad.2020.108897_bib0110","doi-asserted-by":"crossref","first-page":"395","DOI":"10.1067\/msy.2000.104250","article-title":"Evaluation of morbidity and mortality after resection for hilar cholangiocarcinoma\u2014a single center experience","volume":"127","author":"Gerhards","year":"2000","journal-title":"Surgery"},{"issue":"3","key":"10.1016\/j.ejrad.2020.108897_bib0115","doi-asserted-by":"crossref","first-page":"500","DOI":"10.1016\/j.surg.2017.03.017","article-title":"Radical operation for hilar cholangiocarcinoma in comparable Eastern and Western centers: outcome analysis and prognostic factors","volume":"162","author":"Kimura","year":"2017","journal-title":"Surgery"},{"issue":"4","key":"10.1016\/j.ejrad.2020.108897_bib0120","doi-asserted-by":"crossref","first-page":"375","DOI":"10.1016\/S1365-182X(17)30774-8","article-title":"Increased bacterobilia associated with preoperative biliary drainage in patients with hilar cholangiocarcinoma","volume":"2","author":"Parks","year":"2000","journal-title":"HPB"},{"issue":"46","key":"10.1016\/j.ejrad.2020.108897_bib0125","doi-asserted-by":"crossref","first-page":"8731","DOI":"10.3748\/wjg.v19.i46.8731","article-title":"Preoperative biliary drainage in patients with hilar cholangiocarcinoma undergoing major hepatectomy","volume":"19","author":"Xiong","year":"2013","journal-title":"World J. Gastroenterol.: WJG"},{"issue":"8","key":"10.1016\/j.ejrad.2020.108897_bib0130","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. Hepatobiliary Pancreat. Sci."},{"issue":"2","key":"10.1016\/j.ejrad.2020.108897_bib0135","doi-asserted-by":"crossref","first-page":"394","DOI":"10.1016\/j.surg.2016.08.008","article-title":"Verification of the oncologic inferiority of percutaneous biliary drainage to endoscopic drainage: a propensity score matching analysis of resectable perihilar cholangiocarcinoma","volume":"161","author":"Komaya","year":"2017","journal-title":"Surgery"},{"issue":"9","key":"10.1016\/j.ejrad.2020.108897_bib0140","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. (EJSO)"},{"issue":"1","key":"10.1016\/j.ejrad.2020.108897_bib0145","doi-asserted-by":"crossref","first-page":"17","DOI":"10.1097\/00000658-200207000-00005","article-title":"A meta-analysis on the efficacy of preoperative biliary drainage for tumors causing obstructive jaundice","volume":"236","author":"Sewnath","year":"2002","journal-title":"Ann. Surg."},{"issue":"3","key":"10.1016\/j.ejrad.2020.108897_bib0150","doi-asserted-by":"crossref","first-page":"663","DOI":"10.1007\/s10620-010-1338-7","article-title":"Preoperative biliary drainage before resection for hilar cholangiocarcinoma: whether or not? A systematic review","volume":"56","author":"Liu","year":"2011","journal-title":"Dig. Dis. Sci."},{"issue":"3","key":"10.1016\/j.ejrad.2020.108897_bib0155","doi-asserted-by":"crossref","first-page":"391","DOI":"10.3748\/wjg.v17.i3.391","article-title":"Effect of preoperative biliary drainage on malignant obstructive jaundice: a meta-analysis","volume":"17","author":"Qiu","year":"2011","journal-title":"World J. Gastroenterol.: WJG"},{"issue":"4","key":"10.1016\/j.ejrad.2020.108897_bib0160","doi-asserted-by":"crossref","first-page":"264","DOI":"10.7326\/0003-4819-151-4-200908180-00135","article-title":"Preferred reporting items for systematic reviews and meta-analyses: the PRISMA statement","volume":"151","author":"Moher","year":"2009","journal-title":"Ann. Intern. Med."},{"issue":"9","key":"10.1016\/j.ejrad.2020.108897_bib0165","doi-asserted-by":"crossref","first-page":"712","DOI":"10.1046\/j.1445-2197.2003.02748.x","article-title":"Methodological index for non\u2010randomized studies (MINORS): development and validation of a new instrument","volume":"73","author":"Slim","year":"2003","journal-title":"ANZ J. Surg."},{"issue":"7650","key":"10.1016\/j.ejrad.2020.108897_bib0170","doi-asserted-by":"crossref","first-page":"924","DOI":"10.1136\/bmj.39489.470347.AD","article-title":"GRADE: an emerging consensus on rating quality of evidence and strength of recommendations","volume":"336","author":"Guyatt","year":"2008","journal-title":"BMJ"},{"issue":"6","key":"10.1016\/j.ejrad.2020.108897_bib0175","doi-asserted-by":"crossref","first-page":"872","DOI":"10.1245\/ASO.2006.05.053","article-title":"Improved outcome of resection of hilar cholangiocarcinoma (Klatskin tumor)","volume":"13","author":"Dinant","year":"2006","journal-title":"Ann. Surg. Oncol."},{"issue":"9","key":"10.1016\/j.ejrad.2020.108897_bib0180","doi-asserted-by":"crossref","first-page":"1506","DOI":"10.1007\/s11605-017-3492-0","article-title":"ENBD is associated with decreased tumor dissemination compared to PTBD in perihilar cholangiocarcinoma","volume":"21","author":"Higuchi","year":"2017","journal-title":"J. Gastrointest. Surg."},{"issue":"4","key":"10.1016\/j.ejrad.2020.108897_bib0185","doi-asserted-by":"crossref","first-page":"384","DOI":"10.1097\/00000658-199604000-00007","article-title":"Factors influencing postoperative morbidity, mortality, and survival after resection for hilar cholangiocarcinoma","volume":"223","author":"Su","year":"1996","journal-title":"Ann. Surg."},{"issue":"6","key":"10.1016\/j.ejrad.2020.108897_bib0190","doi-asserted-by":"crossref","first-page":"1267","DOI":"10.1002\/jso.24945","article-title":"Oncologic effects of preoperative biliary drainage in resectable hilar cholangiocarcinoma: percutaneous biliary drainage has no adverse effects on survival","volume":"117","author":"Zhang","year":"2018","journal-title":"J. Surg. Oncol."},{"issue":"1","key":"10.1016\/j.ejrad.2020.108897_bib0195","doi-asserted-by":"crossref","first-page":"135","DOI":"10.1016\/j.dld.2018.07.006","article-title":"Management of hilum infiltrating tumors of the liver: the impact of experience and standardization on outcome","volume":"51","author":"Ratti","year":"2019","journal-title":"Dig. Liver Dis."},{"issue":"1","key":"10.1016\/j.ejrad.2020.108897_bib0200","doi-asserted-by":"crossref","first-page":"40","DOI":"10.1016\/j.amjsurg.2012.07.047","article-title":"The optimal duration of preoperative biliary drainage for periampullary tumors that cause severe obstructive jaundice","volume":"206","author":"Son","year":"2013","journal-title":"Am. J. Surg."},{"issue":"6","key":"10.1016\/j.ejrad.2020.108897_bib0205","doi-asserted-by":"crossref","first-page":"426","DOI":"10.1159\/000438796","article-title":"Postoperative outcome after major liver resection in jaundiced patients with proximal bile duct cancer without preoperative biliary drainage","volume":"32","author":"Abdel Wahab","year":"2015","journal-title":"Dig. Surg."},{"issue":"5","key":"10.1016\/j.ejrad.2020.108897_bib0210","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":"4","key":"10.1016\/j.ejrad.2020.108897_bib0215","doi-asserted-by":"crossref","first-page":"490","DOI":"10.1007\/s00534-009-0205-4","article-title":"Hilar cholangiocarcinoma: the memorial sloan-kettering cancer center experience","volume":"17","author":"Rocha","year":"2010","journal-title":"J. Hepatobiliary Pancreat. Sci."},{"issue":"2","key":"10.1016\/j.ejrad.2020.108897_bib0220","doi-asserted-by":"crossref","first-page":"110","DOI":"10.1055\/s-2008-1076684","article-title":"Strategies for resection using portal vein embolization: hepatocellular carcinoma and hilar cholangiocarcinoma","volume":"25","author":"Anaya","year":"2008","journal-title":"Semin. Intervent. Radiol."},{"issue":"1","key":"10.1016\/j.ejrad.2020.108897_bib0225","doi-asserted-by":"crossref","first-page":"32","DOI":"10.1016\/j.ejso.2016.05.026","article-title":"The role of portal vein embolization in the surgical management of primary hepatobiliary cancers. A systematic review","volume":"43","author":"Glantzounis","year":"2017","journal-title":"Eur. J. Surg. Oncol. (EJSO)"},{"key":"10.1016\/j.ejrad.2020.108897_bib0230","series-title":"Strategies for Resection Using Portal Vein Embolization: Hepatocellular Carcinoma and Hilar Cholangiocarcinoma, Seminars in Interventional Radiology","first-page":"110","author":"Anaya","year":"2008"},{"issue":"2","key":"10.1016\/j.ejrad.2020.108897_bib0235","doi-asserted-by":"crossref","first-page":"149","DOI":"10.1016\/j.amjsurg.2006.07.015","article-title":"Selective versus total biliary drainage for obstructive jaundice caused by a hepatobiliary malignancy","volume":"193","author":"Ishizawa","year":"2007","journal-title":"Am. J. Surg."},{"issue":"10","key":"10.1016\/j.ejrad.2020.108897_bib0240","doi-asserted-by":"crossref","first-page":"681","DOI":"10.1016\/S2468-1253(18)30234-6","article-title":"Endoscopic versus percutaneous biliary drainage in patients with resectable perihilar cholangiocarcinoma: a multicentre, randomised controlled trial","volume":"3","author":"Coelen","year":"2018","journal-title":"Lancet Gastroenterol. Hepatol."},{"issue":"2","key":"10.1016\/j.ejrad.2020.108897_bib0245","doi-asserted-by":"crossref","first-page":"437","DOI":"10.1007\/s00268-012-1844-1","article-title":"Catheter tract recurrence after percutaneous biliary drainage for hilar cholangiocarcinoma","volume":"37","author":"Kang","year":"2013","journal-title":"World J. Surg."},{"issue":"5","key":"10.1016\/j.ejrad.2020.108897_bib0250","doi-asserted-by":"crossref","first-page":"469","DOI":"10.1111\/hpb.12156","article-title":"Delay in surgical treatment of patients with hilar cholangiocarcinoma: does time impact outcomes?","volume":"16","author":"Ruys","year":"2014","journal-title":"HPB"},{"issue":"2","key":"10.1016\/j.ejrad.2020.108897_bib0255","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. Am. Coll. Surg."},{"issue":"2","key":"10.1016\/j.ejrad.2020.108897_bib0260","doi-asserted-by":"crossref","first-page":"379","DOI":"10.1007\/s00268-011-1364-4","article-title":"Reappraisal of percutaneous transhepatic biliary drainage tract recurrence after resection of perihilar bile duct cancer","volume":"36","author":"Hwang","year":"2012","journal-title":"World J. Surg."},{"issue":"12","key":"10.1016\/j.ejrad.2020.108897_bib0265","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":"9","key":"10.1016\/j.ejrad.2020.108897_bib0270","doi-asserted-by":"crossref","first-page":"1506","DOI":"10.1007\/s11605-017-3492-0","article-title":"ENBD is associated with decreased tumor dissemination compared to PTBD in perihilar cholangiocarcinoma","volume":"21","author":"Higuchi","year":"2017","journal-title":"J. Gastrointest. Surg."},{"issue":"6","key":"10.1016\/j.ejrad.2020.108897_bib0275","doi-asserted-by":"crossref","first-page":"608","DOI":"10.1007\/s00535-015-1140-6","article-title":"Percutaneous biliary drainage is oncologically inferior to endoscopic drainage: a propensity score matching analysis in resectable distal cholangiocarcinoma","volume":"51","author":"Komaya","year":"2016","journal-title":"J. Gastroenterol."},{"issue":"12","key":"10.1016\/j.ejrad.2020.108897_bib0280","doi-asserted-by":"crossref","first-page":"3155","DOI":"10.1245\/s10434-010-1168-z","article-title":"Role of preoperative optimization of the liver for resection in patients with hilar cholangiocarcinoma type III","volume":"17","author":"Grandadam","year":"2010","journal-title":"Ann. Surg. Oncol."},{"issue":"1","key":"10.1016\/j.ejrad.2020.108897_bib0285","doi-asserted-by":"crossref","first-page":"142","DOI":"10.1097\/SLA.0000000000002049","article-title":"Duration of antimicrobial prophylaxis in patients undergoing major hepatectomy with extrahepatic bile duct resection: a randomized controlled trial","volume":"267","author":"Sugawara","year":"2018","journal-title":"Ann. Surg."},{"issue":"4","key":"10.1016\/j.ejrad.2020.108897_bib0290","doi-asserted-by":"crossref","first-page":"371","DOI":"10.1007\/s00595-017-1568-9","article-title":"Effectiveness and risk of biliary drainage prior to pancreatoduodenectomy: review of current status","volume":"48","author":"Zarzavadjian Le Bian","year":"2018","journal-title":"Surg. Today"},{"issue":"11","key":"10.1016\/j.ejrad.2020.108897_bib0295","doi-asserted-by":"crossref","first-page":"2230","DOI":"10.1007\/s00268-007-9210-4","article-title":"Specific antibiotic prophylaxis based on bile cultures is required to prevent postoperative infectious complications in pancreatoduodenectomy patients who have undergone preoperative biliary drainage","volume":"31","author":"Sudo","year":"2007","journal-title":"World J. Surg."},{"issue":"11","key":"10.1016\/j.ejrad.2020.108897_bib0300","doi-asserted-by":"crossref","first-page":"2952","DOI":"10.1007\/s00268-014-2688-7","article-title":"Perioperative antibiotics covering bile contamination prevent abdominal infectious complications after pancreatoduodenectomy in patients with preoperative biliary drainage","volume":"38","author":"Sudo","year":"2014","journal-title":"World J. Surg."},{"issue":"3","key":"10.1016\/j.ejrad.2020.108897_bib0305","doi-asserted-by":"crossref","first-page":"559","DOI":"10.1016\/j.surg.2018.09.011","article-title":"Third-generation cephalosporin for antimicrobial prophylaxis in pancreatoduodenectomy in patients with internal preoperative biliary drainage","volume":"165","author":"Sano","year":"2019","journal-title":"Surgery"},{"issue":"1","key":"10.1016\/j.ejrad.2020.108897_bib0310","doi-asserted-by":"crossref","first-page":"65","DOI":"10.1016\/j.ejso.2010.11.008","article-title":"Multidisciplinary management of hilar cholangiocarcinoma (Klatskin tumor): extended resection is associated with improved survival","volume":"37","author":"Van Gulik","year":"2011","journal-title":"Eur. J. Surg. Oncol. (EJSO)"},{"issue":"4","key":"10.1016\/j.ejrad.2020.108897_bib0315","doi-asserted-by":"crossref","first-page":"490","DOI":"10.1007\/s00534-009-0205-4","article-title":"Hilar cholangiocarcinoma: the memorial sloan-kettering cancer center experience","volume":"17","author":"Rocha","year":"2010","journal-title":"J. Hepatobiliary Pancreat. Sci."},{"issue":"5","key":"10.1016\/j.ejrad.2020.108897_bib0320","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":"1","key":"10.1016\/j.ejrad.2020.108897_bib0325","doi-asserted-by":"crossref","first-page":"73","DOI":"10.1097\/01.SLA.0000074960.55004.72","article-title":"Long-term outcome of extended hemihepatectomy for hilar bile duct cancer with no mortality and high survival rate","volume":"238","author":"Seyama","year":"2003","journal-title":"Ann. Surg."},{"issue":"3","key":"10.1016\/j.ejrad.2020.108897_bib0330","doi-asserted-by":"crossref","first-page":"1156","DOI":"10.1245\/s10434-015-4676-z","article-title":"Percutaneous preoperative biliary drainage for resectable perihilar cholangiocarcinoma: no association with survival and no increase in seeding metastases","volume":"22","author":"Wiggers","year":"2015","journal-title":"Ann. Surg. Oncol."}],"updated-by":[{"DOI":"10.1016\/j.ejrad.2020.109004","type":"erratum","label":"Erratum","source":"publisher","updated":{"date-parts":[[2020,7,1]],"date-time":"2020-07-01T00:00:00Z","timestamp":1593561600000}}],"container-title":["European Journal of Radiology"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0720048X20300863?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0720048X20300863?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2020,3,14]],"date-time":"2020-03-14T15:13:15Z","timestamp":1584198795000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S0720048X20300863"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2020,4]]},"references-count":66,"alternative-id":["S0720048X20300863"],"URL":"https:\/\/doi.org\/10.1016\/j.ejrad.2020.108897","relation":{"erratum":[{"id-type":"doi","id":"10.1016\/j.ejrad.2020.109004","asserted-by":"object"}]},"ISSN":["0720-048X"],"issn-type":[{"value":"0720-048X","type":"print"}],"subject":[],"published":{"date-parts":[[2020,4]]},"assertion":[{"value":"Elsevier","name":"publisher","label":"This article is maintained by"},{"value":"Meta-analysis of the efficacy of preoperative biliary drainage in patients undergoing liver resection for perihilar cholangiocarcinoma","name":"articletitle","label":"Article Title"},{"value":"European Journal of Radiology","name":"journaltitle","label":"Journal Title"},{"value":"https:\/\/doi.org\/10.1016\/j.ejrad.2020.108897","name":"articlelink","label":"CrossRef DOI link to publisher maintained version"},{"value":"article","name":"content_type","label":"Content Type"},{"value":"\u00a9 2020 The Author(s). Published by Elsevier B.V.","name":"copyright","label":"Copyright"}],"article-number":"108897"}}