Balloon-occluded retrograde transvenous obliteration for treatment of gastric varices

Table 1 The studies comparing balloon-occluded retrograde transvenous obliteration and transjugular intrahepatic portosystemic shunt

Ref.	Journal	Country	Study design	Number of cases
				BRTO	TIPS
Choi et al[39]	KJR 2003	South Korea	RCT, Single institution	8	13
Ninoi et al[40]	AJR 2004	Japan	Retrospective, Single institution	77 (BRTO: 49 / PTS: 28)	27
Sabri et al[41]	JVIR 2014	United States	Retrospective, Single institution	23	27
Kim et al[42]	KJR 2017	United States	Retrospective, Single institution	25	27
Lee et al[43]	JGH 2017	South Korea	Retrospective, Two institutions	95	47
Gimm et al[44]	Gut and Liver 2018	South Korea	Retrospective, Single institution	157	19

BRTO: Balloon-occluded retrograde transvenous obliteration; TIPS: Transjugular intrahepatic portosystemic shunt; RCT: Randomized controlled trial; PTS: Percutaneous transhepatic sclerotherapy.