REFERENCES
1. Saha SK, Zhu AX, Fuchs CS, Brooks GA. Forty-year trends in cholangiocarcinoma incidence in the U.S.: intrahepatic disease on the rise. Oncologist 2016;21:594-9.
2. Cardinale V, Bragazzi MC, Carpino G, et al. Cholangiocarcinoma: increasing burden of classifications. Hepatobiliary Surg Nutr 2013;2:272-80.
3. Brunt E, Aishima S, Clavien PA, et al. cHCC-CCA: consensus terminology for primary liver carcinomas with both hepatocytic and cholangiocytic differentation. Hepatology 2018;68:113-26.
4. Guest RV, Boulter L, Kendall TJ, et al. Cell lineage tracing reveals a biliary origin of intrahepatic cholangiocarcinoma. Cancer Res 2014;74:1005-10.
5. Affo S, Nair A, Brundu F, et al. Promotion of cholangiocarcinoma growth by diverse cancer-associated fibroblast subpopulations. Cancer Cell 2021;39:866-82.e11.
6. Talabnin K, Talabnin C, Kumagai T, et al. Ganglioside GM2: a potential biomarker for cholangiocarcinoma. J Int Med Res 2020;48:300060520903216.
8. Blechacz B, Komuta M, Roskams T, Gores GJ. Clinical diagnosis and staging of cholangiocarcinoma. Nat Rev Gastroenterol Hepatol 2011;8:512-22.
9. Burak K, Angulo P, Pasha TM, Egan K, Petz J, Lindor KD. Incidence and risk factors for cholangiocarcinoma in primary sclerosing cholangitis. Am J Gastroenterol 2004;99:523-6.
10. Esnaola NF, Meyer JE, Karachristos A, Maranki JL, Camp ER, Denlinger CS. Evaluation and management of intrahepatic and extrahepatic cholangiocarcinoma. Cancer 2016;122:1349-69.
11. Tantau AI, Mandrutiu A, Pop A, et al. Extrahepatic cholangiocarcinoma: current status of endoscopic approach and additional therapies. World J Hepatol 2021;13:166-86.
12. Banales JM, Marin JJG, Lamarca A, et al. Cholangiocarcinoma 2020: the next horizon in mechanisms and management. Nat Rev Gastroenterol Hepatol 2020;17:557-88.
13. Khan SA, Emadossadaty S, Ladep NG, et al. Rising trends in cholangiocarcinoma: is the ICD classification system misleading us? J Hepatol 2012;56:848-54.
14. Bertuccio P, Malvezzi M, Carioli G, et al. Global trends in mortality from intrahepatic and extrahepatic cholangiocarcinoma. J Hepatol 2019;71:104-14.
15. Ramadori G, Cameron S. Effects of systemic chemotherapy on the liver. Ann Hepatol 2010;9:133-43.
16. Pavlidis ET, Pavlidis TE. Pathophysiological consequences of obstructive jaundice and perioperative management. Hepatobiliary Pancreat Dis Int 2018;17:17-21.
17. Golse N, Nunez J, Mazzotta A, et al. Personalized preoperative nomograms predicting postoperative risks after resection of perihilar cholangiocarcinoma. World J Surg 2020;44:3449-60.
18. Rizvi S, Khan SA, Hallemeier CL, Kelley RK, Gores GJ. Cholangiocarcinoma - evolving concepts and therapeutic strategies. Nat Rev Clin Oncol 2018;15:95-111.
19. Brandi G, Venturi M, Pantaleo MA, Ercolani G. GICO. Cholangiocarcinoma: current opinion on clinical practice diagnostic and therapeutic algorithms: a review of the literature and a long-standing experience of a referral center. Dig Liver Dis 2016;48:231-41.
20. Kurahara H, Maemura K, Mataki Y, et al. Preoperative biliary drainage-related inflammation is associated with shorter survival in biliary tract cancer patients. Int J Clin Oncol 2016;21:934-9.
21. Szary NM, Al-Kawas FH. Complications of endoscopic retrograde cholangiopancreatography: how to avoid and manage them. Gastroenterol Hepatol 2013;9:496-504.
22. Liu F, Li Y, Wei Y, Li B. Preoperative biliary drainage before resection for hilar cholangiocarcinoma: whether or not? a systematic review . Dig Dis Sci 2011;56:663-72.
23. Tringali A, Hassan C, Rota M, Rossi M, Mutignani M, Aabakken L. Covered vs. uncovered self-expandable metal stents for malignant distal biliary strictures: a systematic review and meta-analysis. Endoscopy 2018;50:631-41.
24. Hilscher MB, Tabibian JH, Carey EJ, Gostout CJ, Lindor KD. Dominant strictures in primary sclerosing cholangitis: a multicenter survey of clinical definitions and practices. Hepatol Commun 2018;2:836-44.
25. Bowlus CL, Lim JK, Lindor KD. AGA clinical practice update on surveillance for hepatobiliary cancers in patients with primary sclerosing cholangitis: expert review. Clin Gastroenterol Hepatol 2019;17:2416-22.
26. Rupp C, Hippchen T, Bruckner T, et al. Effect of scheduled endoscopic dilatation of dominant strictures on outcome in patients with primary sclerosing cholangitis. Gut 2019;68:2170-8.
27. Miura F, Sano K, Wada K, et al. Prognostic impact of type of preoperative biliary drainage in patients with distal cholangiocarcinoma. Am J Surg 2017;214:256-61.
28. George C, Byass OR, Cast JE. Interventional radiology in the management of malignant biliary obstruction. World J Gastrointest Oncol 2010;2:146-50.
29. Paik WH, Park YS, Hwang JH, et al. Palliative treatment with self-expandable metallic stents in patients with advanced type III or IV hilar cholangiocarcinoma: a percutaneous versus endoscopic approach. Gastrointest Endosc 2009;69:55-62.
30. Zhou WZ, Liu S, Yang ZQ, et al. Percutaneous stent placement for malignant hilar biliary obstruction: side-by-side versus stent-in-stent technique. BMC Gastroenterol 2020;20:174.
31. Gouma DJ. Multicentre European study of preoperative biliary drainage for hilar cholangiocarcinoma (Br J Surg 2013; 100: 274-283). Br J Surg 2013;100:283-4.
32. Zhao XQ, Dong JH, Jiang K, Huang XQ, Zhang WZ. Comparison of percutaneous transhepatic biliary drainage and endoscopic biliary drainage in the management of malignant biliary tract obstruction: a meta-analysis. Dig Endosc 2015;27:137-45.
33. Inamdar S, Slattery E, Bhalla R, Sejpal DV, Trindade AJ. Comparison of adverse events for endoscopic vs percutaneous biliary drainage in the treatment of malignant biliary tract obstruction in an inpatient national cohort. JAMA Oncol 2016;2:112-7.
34. Farges O, Regimbeau JM, Fuks D, et al. Multicentre European study of preoperative biliary drainage for hilar cholangiocarcinoma. Br J Surg 2013;100:274-83.
35. Mocan T, Horhat A, Mois E, et al. Endoscopic or percutaneous biliary drainage in hilar cholangiocarcinoma: when and how? World J Gastrointest Oncol 2021;13:2050-63.
36. Tang Z, Yang Y, Meng W, Li X. Best option for preoperative biliary drainage in Klatskin tumor: a systematic review and meta-analysis. Medicine 2017;96:e8372.
37. Liu JG, Wu J, Wang J, et al. Endoscopic biliary drainage versus percutaneous transhepatic biliary drainage in patients with resectable hilar cholangiocarcinoma: a systematic review and meta-analysis. J Laparoendosc Adv Surg Tech A 2018;28:1053-60.
38. Al Mahjoub A, Menahem B, Fohlen A, et al. Preoperative biliary drainage in patients with resectable perihilar cholangiocarcinoma: is percutaneous transhepatic biliary drainage safer and more effective than endoscopic biliary drainage? J Vasc Interv Radiol 2017;28:576-82.
39. Takahashi Y, Nagino M, Nishio H, Ebata T, Igami T, Nimura Y. Percutaneous transhepatic biliary drainage catheter tract recurrence in cholangiocarcinoma. Br J Surg 2010;97:1860-6.
40. Vogel A, Bridgewater J, Edeline J, et al. ESMO Guidelines Committee. Biliary tract cancer: ESMO Clinical Practice Guideline for diagnosis, treatment and follow-up. Ann Oncol 2023;34:127-40.
41. Xia MX, Wang SP, Wu J, et al. The risk of acute cholangitis after endoscopic stenting for malignant hilar strictures: a large comprehensive study. J Gastroenterol Hepatol 2020;35:1150-7.
42. Prachayakul V, Chaisayan S, Aswakul P, Deesomsak M. Clinical characteristics and treatment outcomes of patients with unresectable cholangiocarcinoma in Thailand: are there differences dependent on stent type? Asian Pac J Cancer Prev 2013;14:529-32.
43. Moole H, Jaeger A, Cashman M, et al. Are self-expandable metal stents superior to plastic stents in palliating malignant distal biliary strictures? Med J Armed Forces India 2017;73:42-8.
44. Squadroni M, Tondulli L, Gatta G, Mosconi S, Beretta G, Labianca R. Cholangiocarcinoma. Crit Rev Oncol Hematol 2017;116:11-31.
45. Zaydfudim VM, Rosen CB, Nagorney DM. Hilar cholangiocarcinoma. Surg Oncol Clin N Am 2014;23:247-63.
46. Boškoski I, Schepis T, Tringali A, et al. Personalized endoscopy in complex malignant hilar biliary strictures. J Pers Med 2021;11:78.
47. Dumonceau JM, Tringali A, Papanikolaou IS, et al. Endoscopic biliary stenting: indications, choice of stents, and results: European society of gastrointestinal endoscopy (ESGE) clinical guideline - updated October 2017. Endoscopy 2018;50:910-30.
48. Sofi AA, Khan MA, Das A, et al. Radiofrequency ablation combined with biliary stent placement versus stent placement alone for malignant biliary strictures: a systematic review and meta-analysis. Gastrointest Endosc 2018;87:944-51.e1.
49. Smith AC, Dowsett JF, Russell RC, Hatfield AR, Cotton PB. Randomised trial of endoscopic stenting versus surgical bypass in malignant low bileduct obstruction. Lancet 1994;344:1655-60.
50. Uppal DS, Wang AY. Advances in endoscopic retrograde cholangiopancreatography for the treatment of cholangiocarcinoma. World J Gastrointest Endosc 2015;7:675-87.
51. Vienne A, Hobeika E, Gouya H, et al. Prediction of drainage effectiveness during endoscopic stenting of malignant hilar strictures: the role of liver volume assessment. Gastrointest Endosc 2010;72:728-35.
52. Kerdsirichairat T, Arain MA, Attam R, et al. Endoscopic drainage of > 50% of liver in malignant hilar biliary obstruction using metallic or fenestrated plastic stents. Clin Transl Gastroenterol 2017;8:e115.
53. Neu B, Nennstiel S, von Delius S, et al. Endoscopic rendez-vous reconstruction of complete biliary obstruction. Dig Liver Dis 2017;49:769-72.
54. Mansour JC, Aloia TA, Crane CH, Heimbach JK, Nagino M, Vauthey JN. Hilar cholangiocarcinoma: expert consensus statement. HPB 2015;17:691-9.
55. Keswani RN, Qumseya BJ, O'Dwyer LC, Wani S. Association between endoscopist and center endoscopic retrograde cholangiopancreatography volume with procedure success and adverse outcomes: a systematic review and meta-analysis. Clin Gastroenterol Hepatol 2017;15:1866-75.e3.
56. Gwon DI, Ko GY, Sung KB, et al. Percutaneous biliary metallic stent placement in patients with unilobar portal vein occlusion caused by advanced hilar malignancy: outcome of unilateral versus bilateral stenting. AJR Am J Roentgenol 2011;197:795-801.
57. Masselli G, Manfredi R, Vecchioli A, Gualdi G. MR imaging and MR cholangiopancreatography in the preoperative evaluation of hilar cholangiocarcinoma: correlation with surgical and pathologic findings. Eur Radiol 2008;18:2213-21.
58. Yasuda I, Mukai T, Moriwaki H. Unilateral versus bilateral endoscopic biliary stenting for malignant hilar biliary strictures. Dig Endosc 2013;25 Suppl 2:81-5.
59. Iwano H, Ryozawa S, Ishigaki N, et al. Unilateral versus bilateral drainage using self-expandable metallic stent for unresectable hilar biliary obstruction. Dig Endosc 2011;23:43-8.
60. Mukai T, Yasuda I, Nakashima M, et al. Metallic stents are more efficacious than plastic stents in unresectable malignant hilar biliary strictures: a randomized controlled trial. J Hepatobiliary Pancreat Sci 2013;20:214-22.
61. Polydorou AA, Chisholm EM, Romanos AA, et al. A comparison of right versus left hepatic duct endoprosthesis insertion in malignant hilar biliary obstruction. Endoscopy 1989;21:266-71.
62. De Palma GD, Galloro G, Siciliano S, Iovino P, Catanzano C. Unilateral versus bilateral endoscopic hepatic duct drainage in patients with malignant hilar biliary obstruction: results of a prospective, randomized, and controlled study. Gastrointest Endosc 2001;53:547-53.
63. Aghaie Meybodi M, Shakoor D, Nanavati J, et al. Unilateral versus bilateral endoscopic stenting in patients with unresectable malignant hilar obstruction: a systematic review and meta-analysis. Endosc Int Open 2020;8:E281-90.
64. Staub J, Siddiqui A, Murphy M, et al. Unilateral versus bilateral hilar stents for the treatment of cholangiocarcinoma: a multicenter international study. Ann Gastroenterol 2020;33:202-9.
65. Lee TH, Moon JH, Park SH. Biliary stenting for hilar malignant biliary obstruction. Dig Endosc 2020;32:275-86.
66. Nomura T, Shirai Y, Hatakeyama K. Cholangitis after endoscopic biliary drainage for hilar lesions. Hepatogastroenterology 1997;44:1267-70.
67. Takahashi E, Fukasawa M, Sato T, et al. Biliary drainage strategy of unresectable malignant hilar strictures by computed tomography volumetry. World J Gastroenterol 2015;21:4946-53.
68. Singh V, Singh G, Verma GR, Singh K, Gulati M. Contrast-free unilateral endoscopic palliation in malignant hilar biliary obstruction: new method. J Gastroenterol Hepatol 2004;19:589-92.
69. Sud R, Puri R, Choudhary NS, Mehta A, Jain PK. Air cholangiogram is not inferior to dye cholangiogram for malignant hilar biliary obstruction: a randomized study of efficacy and safety. Indian J Gastroenterol 2014;33:537-42.
70. Chang WH, Kortan P, Haber GB. Outcome in patients with bifurcation tumors who undergo unilateral versus bilateral hepatic duct drainage. Gastrointest Endosc 1998;47:354-62.
71. Liberato MJ, Canena JM. Endoscopic stenting for hilar cholangiocarcinoma: efficacy of unilateral and bilateral placement of plastic and metal stents in a retrospective review of 480 patients. BMC Gastroenterol 2012;12:103.
72. Naitoh I, Ohara H, Nakazawa T, et al. Unilateral versus bilateral endoscopic metal stenting for malignant hilar biliary obstruction. J Gastroenterol Hepatol 2009;24:552-7.
73. Lee TH, Kim TH, Moon JH, et al. Bilateral versus unilateral placement of metal stents for inoperable high-grade malignant hilar biliary strictures: a multicenter, prospective, randomized study (with video). Gastrointest Endosc 2017;86:817-27.
74. Ashat M, Arora S, Klair JS, Childs CA, Murali AR, Johlin FC. Bilateral vs unilateral placement of metal stents for inoperable high-grade hilar biliary strictures: a systemic review and meta-analysis. World J Gastroenterol 2019;25:5210-9.
75. Chen ZK, Zhang W, Xu YS, Li Y. Unilateral versus side-by-side metal stenting for malignant hilar biliary obstruction: a meta-analysis. J Laparoendosc Adv Surg Tech A 2021;31:203-9.
76. Puli SR, Kalva N, Pamulaparthy SR, et al. Bilateral and unilateral stenting for malignant hilar obstruction: a systematic review and meta-analysis. Indian J Gastroenterol 2013;32:355-62.
77. Almadi MA, Barkun A, Martel M. Plastic vs. self-expandable metal stents for palliation in malignant biliary obstruction: a series of meta-analyses. Am J Gastroenterol 2017;112:260-73.
78. Coelen RJS, Roos E, Wiggers JK, et al. Endoscopic versus percutaneous biliary drainage in patients with resectable perihilar cholangiocarcinoma: a multicentre, randomised controlled trial. Lancet Gastroenterol Hepatol 2018;3:681-90.
79. Zorrón Pu L, de Moura EG, Bernardo WM, et al. Endoscopic stenting for inoperable malignant biliary obstruction: a systematic review and meta-analysis. World J Gastroenterol 2015;21:13374-85.
80. Sawas T, Al Halabi S, Parsi MA, Vargo JJ. Self-expandable metal stents versus plastic stents for malignant biliary obstruction: a meta-analysis. Gastrointest Endosc 2015;82:256-67.e7.
81. Hong WD, Chen XW, Wu WZ, Zhu QH, Chen XR. Metal versus plastic stents for malignant biliary obstruction: an update meta-analysis. Clin Res Hepatol Gastroenterol 2013;37:496-500.
82. Kwon CI, Lehman GA. Mechanisms of biliary plastic stent occlusion and efforts at prevention. Clin Endosc 2016;49:139-46.
83. Schmassmann A, von Gunten E, Knuchel J, Scheurer U, Fehr HF, Halter F. Wallstents versus plastic stents in malignant biliary obstruction: effects of stent patency of the first and second stent on patient compliance and survival. Am J Gastroenterol 1996; 91:654-9.
84. Weber A, Mittermeyer T, Wagenpfeil S, Schmid RM, Prinz C. Self-expanding metal stents versus polyethylene stents for palliative treatment in patients with advanced pancreatic cancer. Pancreas 2009;38:e7-e12.
85. Walter D, van Boeckel PG, Groenen MJ, et al. Cost efficacy of metal stents for palliation of extrahepatic bile duct obstruction in a randomized controlled trial. Gastroenterology 2015;149:130-8.
86. Speer AG, Cotton PB, MacRae KD. Endoscopic management of malignant biliary obstruction: stents of 10 French gauge are preferable to stents of 8 French gauge. Gastrointest Endosc 1988;34:412-7.
87. Luigiano C, Ferrara F, Cennamo V, et al. A comparison of uncovered metal stents for the palliation of patients with malignant biliary obstruction: nitinol vs. stainless steel. Dig Liver Dis 2012;44:128-33.
88. Perdue DG, Freeman ML, DiSario JA, et al. ERCP Outcome Study ERCOST Group. Plastic versus self-expanding metallic stents for malignant hilar biliary obstruction: a prospective multicenter observational cohort study. J Clin Gastroenterol 2008;42:1040-6.
89. Yuan TW, Liu HQ, Wang SB, Cao J. Comparison of plastic stents with self-expandable metal stents in palliative treatment of malignant biliary obstruction: a meta-analysis. Eur Rev Med Pharmacol Sci 2017;21:2847-57.
90. Xia MX, Pan YL, Cai XB, et al. Comparison of endoscopic bilateral metal stent drainage with plastic stents in the palliation of unresectable hilar biliary malignant strictures: Large multicenter study. Dig Endosc 2021;33:179-89.
91. Ridtitid W, Rerknimitr R, Janchai A, Kongkam P, Treeprasertsuk S, Kullavanijaya P. Outcome of second interventions for occluded metallic stents in patients with malignant biliary obstruction. Surg Endosc 2010;24:2216-20.
92. Hong W, Sun X, Zhu Q. Endoscopic stenting for malignant hilar biliary obstruction: should it be metal or plastic and unilateral or bilateral? Eur J Gastroenterol Hepatol 2013;25:1105-12.
93. Park CH, Park SW, Jung JH, Jung ES, Kim JH, Park DH. Comparative efficacy of various stents for palliation in patients with malignant extrahepatic biliary obstruction: a systematic review and network meta-analysis. J Pers Med 2021;11:86.
94. Saleem A, Leggett CL, Murad MH, Baron TH. Meta-analysis of randomized trials comparing the patency of covered and uncovered self-expandable metal stents for palliation of distal malignant bile duct obstruction. Gastrointest Endosc 2011;74:321-7.e1.
95. Moole H, Bechtold ML, Cashman M, et al. Covered versus uncovered self-expandable metal stents for malignant biliary strictures: a meta-analysis and systematic review. Indian J Gastroenterol 2016;35:323-30.
96. Coté GA, Kumar N, Ansstas M, et al. Risk of post-ERCP pancreatitis with placement of self-expandable metallic stents. Gastrointest Endosc 2010;72:748-54.
97. Nakai Y, Isayama H, Togawa O, et al. New method of covered wallstents for distal malignant biliary obstruction to reduce early stent-related complications based on characteristics. Dig Endosc 2011;23:49-55.
98. Sogabe Y, Kodama Y, Honjo H, et al. Tumor invasion to the arteries feeding the gallbladder as a novel risk factor for cholecystitis after metallic stent placement in distal malignant biliary obstruction. Dig Endosc 2018;30:380-7.
99. Kawakubo K, Isayama H, Nakai Y, et al. Risk factors for pancreatitis following transpapillary self-expandable metal stent placement. Surg Endosc 2012;26:771-6.
100. Costamagna G, Tringali A. Can we insert a covered stent, partially or not, in case of hilar biliary stenosis? Endosc Int Open 2017;5:E1218-9.
101. Kitamura K, Yamamiya A, Ishii Y, Mitsui Y, Nomoto T, Yoshida H. Side-by-side partially covered self-expandable metal stent placement for malignant hilar biliary obstruction. Endosc Int Open 2017;5:E1211-7.
102. Inoue T, Okumura F, Naitoh I, et al. Feasibility of the placement of a novel 6-mm diameter threaded fully covered self-expandable metal stent for malignant hilar biliary obstructions (with videos). Gastrointest Endosc 2016;84:352-7.
103. Yoshida T, Hara K, Imaoka H, et al. Benefits of side-by-side deployment of 6-mm covered self-expandable metal stents for hilar malignant biliary obstructions. J Hepatobiliary Pancreat Sci 2016;23:548-55.
104. Lee TH, Lee SJ, Moon JH, Park SH. Technical tips and issues of biliary stenting, focusing on malignant hilar obstruction. Minerva Gastroenterol Dietol 2014;60:135-49.
105. Dumas R, Demuth N, Buckley M, et al. Endoscopic bilateral metal stent placement for malignant hilar stenoses: identification of optimal technique. Gastrointest Endosc 2000;51:334-8.
106. Chennat J, Waxman I. Initial performance profile of a new 6F self-expanding metal stent for palliation of malignant hilar biliary obstruction. Gastrointest Endosc 2010;72:632-6.
107. Fukasawa M, Takano S, Shindo H, Takahashi E, Sato T, Enomoto N. Endoscopic biliary stenting for unresectable malignant hilar obstruction. Clin J Gastroenterol 2017;10:485-90.
108. Moon JH, Rerknimitr R, Kogure H, Nakai Y, Isayama H. Topic controversies in the endoscopic management of malignant hilar strictures using metal stent: side-by-side versus stent-in-stent techniques. J Hepatobiliary Pancreat Sci 2015;22:650-6.
109. Kawamoto H, Tsutsumi K, Fujii M, et al. Endoscopic 3-branched partial stent-in-stent deployment of metallic stents in high-grade malignant hilar biliary stricture (with videos). Gastrointest Endosc 2007;66:1030-7.
110. Naitoh I, Hayashi K, Nakazawa T, et al. Side-by-side versus stent-in-stent deployment in bilateral endoscopic metal stenting for malignant hilar biliary obstruction. Dig Dis Sci 2012;57:3279-85.
111. Lee TH, Moon JH, Choi JH, et al. Prospective comparison of endoscopic bilateral stent-in-stent versus stent-by-stent deployment for inoperable advanced malignant hilar biliary stricture. Gastrointest Endosc 2019;90:222-30.
112. Ishigaki K, Hamada T, Nakai Y, et al. Retrospective comparative study of side-by-side and stent-in-stent metal stent placement for hilar malignant biliary obstruction. Dig Dis Sci 2020;65:3710-8.
113. Hong W, Chen S, Zhu Q, Chen H, Pan J, Huang Q. Bilateral stenting methods for hilar biliary obstructions. Clinics 2014;69:647-52.
114. Chen L, Gao GM, Li DL, Chen ZK. Side-by-side versus stent-in-stent bilateral stenting for malignant hilar biliary obstruction: a meta-analysis. Wideochir Inne Tech Maloinwazyjne 2022;17:279-88.
115. Shah T, Desai S, Haque M, Dakik H, Fisher D. Management of occluded metal stents in malignant biliary obstruction: similar outcomes with second metal stents compared to plastic stents. Dig Dis Sci 2012;57:2765-73.
116. Inoue T, Naitoh I, Okumura F, et al. Reintervention for stent occlusion after bilateral self-expandable metallic stent placement for malignant hilar biliary obstruction. Dig Endosc 2016;28:731-7.
117. Anderson DJ, Shimpi RA, McDonald JR, et al. Infectious complications following endoscopic retrograde cholangiopancreatography: an automated surveillance system for detecting postprocedure bacteremia. Am J Infect Control 2008;36:592-4.
118. Andriulli A, Loperfido S, Napolitano G, et al. Incidence rates of post-ERCP complications: a systematic survey of prospective studies. Am J Gastroenterol 2007;102:1781-8.
119. Giovannini M, Moutardier V, Pesenti C, Bories E, Lelong B, Delpero JR. Endoscopic ultrasound-guided bilioduodenal anastomosis: a new technique for biliary drainage. Endoscopy 2001;33:898-900.
120. Artifon ELA, Ferreira FC, Otoch JP, Rasslan S, Itoi T, Perez-Miranda M. EUS-guided biliary drainage: a review article. JOP J Pancreas 2012;13:7-17.
121. Baniya R, Upadhaya S, Madala S, Subedi SC, Shaik Mohammed T, Bachuwa G. Endoscopic ultrasound-guided biliary drainage versus percutaneous transhepatic biliary drainage after failed endoscopic retrograde cholangiopancreatography: a meta-analysis. Clin Exp Gastroenterol 2017;10:67-74.
122. Park DH, Jang JW, Lee SS, Seo DW, Lee SK, Kim MH. EUS-guided biliary drainage with transluminal stenting after failed ERCP: predictors of adverse events and long-term results. Gastrointest Endosc 2011;74:1276-84.
123. Teoh AYB, Dhir V, Kida M, et al. Consensus guidelines on the optimal management in interventional EUS procedures: results from the Asian EUS group RAND/UCLA expert panel. Gut 2018;67:1209-28.
124. Horaguchi J, Fujita N, Noda Y, et al. Endosonography-guided biliary drainage in cases with difficult transpapillary endoscopic biliary drainage. Dig Endosc 2009;21:239-44.
125. Bories E, Pesenti C, Caillol F, Lopes C, Giovannini M. Transgastric endoscopic ultrasonography-guided biliary drainage: results of a pilot study. Endoscopy 2007;39:287-91.
126. Park DH, Koo JE, Oh J, et al. EUS-guided biliary drainage with one-step placement of a fully covered metal stent for malignant biliary obstruction: a prospective feasibility study. Am J Gastroenterol 2009;104:2168-74.
127. Perez-Miranda M, de la Serna C, Diez-Redondo P, Vila JJ. Endosonography-guided cholangiopancreatography as a salvage drainage procedure for obstructed biliary and pancreatic ducts. World J Gastrointest Endosc 2010;2:212-22.
128. Park DH, Song TJ, Eum J, et al. EUS-guided hepaticogastrostomy with a fully covered metal stent as the biliary diversion technique for an occluded biliary metal stent after a failed ERCP (with videos). Gastrointest Endosc 2010;71:413-9.
129. Kawakubo K, Isayama H, Kato H, et al. Multicenter retrospective study of endoscopic ultrasound-guided biliary drainage for malignant biliary obstruction in Japan. J Hepatobiliary Pancreat Sci 2014;21:328-34.
130. Ogura T, Sano T, Onda S, et al. Endoscopic ultrasound-guided biliary drainage for right hepatic bile duct obstruction: novel technical tips. Endoscopy 2015;47:72-5.
131. Park DH. Endoscopic ultrasound-guided biliary drainage of hilar biliary obstruction. J Hepatobiliary Pancreat Sci 2015;22:664-8.
132. Ogura T, Onda S, Takagi W, et al. Clinical utility of endoscopic ultrasound-guided biliary drainage as a rescue of re-intervention procedure for high-grade hilar stricture. J Gastroenterol Hepatol 2017;32:163-8.
133. Kongkam P, Tasneem AA, Rerknimitr R. Combination of endoscopic retrograde cholangiopancreatography and endoscopic ultrasonography-guided biliary drainage in malignant hilar biliary obstruction. Dig Endosc 2019;31 Suppl 1:50-4.
134. Nam K, Kim DU, Lee TH, et al. Patient perception and preference of EUS-guided drainage over percutaneous drainage when endoscopic transpapillary biliary drainage fails: an international multicenter survey. Endosc Ultrasound 2018;7:48-55.
135. Chamberlain RS, Blumgart LH. Hilar cholangiocarcinoma: a review and commentary. Ann Surg Oncol 2000;7:55-66.
136. Dondossola D, Ghidini M, Grossi F, Rossi G, Foschi D. Practical review for diagnosis and clinical management of perihilar cholangiocarcinoma. World J Gastroenterol 2020;26:3542-61.
137. Zoepf T, Jakobs R, Arnold JC, Apel D, Riemann JF. Palliation of nonresectable bile duct cancer: improved survival after photodynamic therapy. Am J Gastroenterol 2005;100:2426-30.
138. Larghi A, Rimbaș M, Tringali A, Boškoski I, Rizzatti G, Costamagna G. Endoscopic radiofrequency biliary ablation treatment: a comprehensive review. Dig Endosc 2019;31:245-55.
139. Nayar MK, Oppong KW, Bekkali NLH, Leeds JS. Novel temperature-controlled RFA probe for treatment of blocked metal biliary stents in patients with pancreaticobiliary cancers: initial experience. Endosc Int Open 2018;6:E513-7.
140. Skowronek J, Zwierzchowski G. Brachytherapy in the treatment of bile duct cancer - a tough challenge. J Contemp Brachytherapy 2017;9:187-95.
141. Mukewar S, Gupta A, Baron TH, et al. Endoscopically inserted nasobiliary catheters for high dose-rate brachytherapy as part of neoadjuvant therapy for perihilar cholangiocarcinoma. Endoscopy 2015;47:878-83.
142. Agostinis P, Berg K, Cengel KA, et al. Photodynamic therapy of cancer: an update. CA Cancer J Clin 2011;61:250-81.
143. Feisthammel J, Mössner J, Hoffmeister A. Palliative endoscopic treatment options in malignancies of the biliopancreatic system. Viszeralmedizin 2014;30:238-43.
144. Ortner ME, Caca K, Berr F, et al. Successful photodynamic therapy for nonresectable cholangiocarcinoma: a randomized prospective study. Gastroenterology 2003;125:1355-63.
145. Li Z, Jiang X, Xiao H, et al. Long-term results of ERCP- or PTCS-directed photodynamic therapy for unresectable hilar cholangiocarcinoma. Surg Endosc 2021;35:5655-64.
