Intraductal endoscopic radiofrequency ablation for the treatment of hilar non-resectable malignant bile duct obstruction

Table 2 Literature overview of studies investigating the use of endoscopically-guided intraductal radiofrequency ablation in malignant biliary obstruction, localization of included tumors and complications are also listed for each study

Ref.	Year	n	Localization of the tumor	Complications
Figueroa-Barojas et al[15]	2011	8	Intra- and extra-hepatic	Pain: 4
				Pancreatitis and Cholecystitis: 1
Steel et al[12]	2011	21	Extrahepatic	Empyema of the gallbladder: 1
Dolak et al[16]	2012	43	Intrahepatic	Hemobilia: 2
				Liver infarction: 1
				Empyema of the gallbladder: 1
				Cholangitis: 1
Mizandari et al[17]	2012	39	Intra- and extrahepatic	Pain: 15
Own experience	2013	12	Intrahepatic	Hemobilia: 3 (2 deaths)