Extrahepatic cholangiocarcinoma: Current status of endoscopic approach and additional therapies

Table 1 Success rate and complications for percutaneous transhepatic biliary drainage, endoscopic ultrasound-guided biliary drainage, endoscopic retrograde cholangiopancreatography and self-expandable metal stent

Ref.	Procedure	Patients, n	Technical success %	Morbidity %
Artifon et al[50], 2012	PTBD, EUS-BD	12, 13	100, 100	25.00, 15.30
Bapaye et al[51], 2013	PTBD, EUS-BD	26, 25	46.00, 92.00	46.00, 20.00
Khashab et al[52], 2015	PTBD, EUS-BD	51, 22	100, 86.40	39.20, 18.20
Dhir et al[53], 2015	ERCP SEMS, EUS-BD	104, 104	94.23, 93.26	8.65, 8.65

ERCP: Endoscopic retrograde cholangiopancreatography; EUS-BD: Endoscopic ultrasound-guided biliary drainage; PTBD: Percutaneous transhepatic biliary drainage; SEMS: Self-expandable metal stent.