Endoscopic radiofrequency ablation for malignant biliary obstruction

Table 1 Technical information on endoluminal radiofrequency ablation

Ref.	RFA device	Type of RFA generator	Frequency of electric energy	Power of RFA generator	Duration of RFA	Resting Period Duration
Steel et al [24]	Habib EndoHPB	1500 RF generator, RITA medical system, Fremont, Calif, United States	400 Hz	7-10 wk	120 s	60 s
Figueroa-Barojas et al[26]	Habib EndoHPB	RITA 1500X, angioDynamics, Latham, NY, United States	Not stated	7-10 wk	120 s	60 s
Dolak et al[17]	Habib EndoHPB	Not stated	Standard high frequency generator (400-500 Hz)	7-10 wk	up to 120 s	Not stated
Sharaiha et al[27]	Habib EndoHPB	RITA 1500X, angioDynamics, Latham, NY or ERBE, United States	Not stated	7-10 wk	90-120 s	60-120 s
Strand et al[29]	Habib EndoHPB	Not stated	Not stated	7 wk for intrahepatic strictures, 10 wk for extrahepatic strictures	2 applications for 90 s	60 s
Sharaiha et al[28]	Habib EndoHPB	RITA 1500X, angioDynamics, Latham, NY or ERBE, United States	Not stated	Not stated	Not stated	Not stated
Kallis et al[35]	Habib EndoHPB	1500 RF generator, RITA medical system, Fremont, Calif or ERBE VIO200 D, ERBE medical United Kingdom, Ltd, Leeds, United Kingdom	Not stated	10 wk	120 s	Not stated
Liang et al[31]	Habib EndoHPB	RITA 1500X, angioDynamics, Latham, NY, United States	400 Hz	10 wk	120 s	60 s
Schmidt et al[30]	Habib EndoHPB	RITA 1500X, angioDynamics, Latham, NY or ERBE Vio 200, Electromedicie GmbH	400 Hz	7 wk; 7 wk	90 s; 90 s	Not stated
Laleman et al[25]	ELRA	VIVA combo generator, Taewoong Medical, Korea	Not stated	7-10 wk	120 s	Not stated
Bokemayer et al[33]	Habib EndoHPB	Not stated	Not stated	8-10 wk	Not stated	Not stated
Yang et al[32]	Habib EndoHPB	RITA 1500X, angioDynamics, Latham, NY, United States	400 Hz	7-10 wk	90 s	60 s
Inoue et al[36]	Habib EndoHPB	VIVA combo generator, Taewoong Medical, South Korea	Not stated	7 wk	90 s	Not stated

RFA: Radiofrequency ablation; ELRA: EndoLuminal Radiofrequency Ablation.