Hemihepatic versus total hepatic inflow occlusion during hepatectomy: A systematic review and meta-analysis

Table 2 Characteristics of patients in randomized controlled trials comparing total hepatic inflow occlusion with hemihepatic vascular occlusion

Author (yr)	Age	Sex	Cirrhosis	Ischaemic	Resection margin ( ≤ 1 segments:≥ 2 segments) THO/HHO	Diseases
	(mean yr)	(male:female)	(n:N)	preconditioning		HCC: Others
	THO/HHO	THO/HHO	THO/HHO			THO/HHO
Figueras et al (2005)	61.8/62	31:8/28:13	18:39/21:41	IC	25:14/29:12	16:23/17:24
Wu et al (2002)	57.5/53.2	23:5/25:5	28:28/30:30	IC	5:23/7:23	25:3/26:4
Yuan et al (2010)	48.6/49.3	46:14/41:19	39:60/35:60	IC if transaction time > 30 min or CC	5:55/5:55	44:16/43:17
Liang et al (2009)	49.4/49.55	27:13/31:9	17:40/19:40	IC or CC	6:34/10:30	20:20/21:19
Total	--	127:40/125:46	102:167/105:171	--	41:126/51:120	105:62/107:64

IC: Intermittent clamping; CC: Continuous clamping; HCC: Hepatocellular carcinoma; N: The number of all patients in one trial; n: The number of patients with cirrhosis; THO: Total hepatic inflow occlusion; HHO: Hemihepatic vascular occlusion.