Comparison of percutaneous transhepatic portal vein embolization and unilateral portal vein ligation

Table 1 Clinical characteristics of the study population (mean ± SD)

Variables	PTPE group (n = 9)	PVL group (n = 4)	P value
Age (yr)	69.7 ± 3.2	58.9 ± 2.9	0.0002
Sex (male:female)	7:2	3:1
Background
(HCV:HBV:NBNC)	1:1:7	1:1:2
Albumin (g/dL)	3.9 ± 0.4	4.0 ± 0.4	0.61
Bilirubin (mg/dL)	0.9 ± 0.4	1.2 ± 0.7	0.35
AST (IU/L)	30.6 ± 12.2	32.3 ± 8.5	0.47
ALT (IU/L)	35.9 ± 29.1	29.3 ± 15.6	0.92
WBC (/mm3)	6744 ± 3109	5228 ± 1973	0.41
PLT (× 104/mL)	22.1 ± 11.0	19.3 ± 9.9	0.76
PT (%)	84.1 ± 10.5	84.5 ± 12.2	0.86
ICG 15 (%)	10.7 ± 7.4	17.5 ± 13.2	0.43
Child pugh (A:B:C)	7:2:0	3:1:0

PTPE: Percutaneous transhepatic portal vein embolization; PVL: Portal vein ligation; HCV: Hepatitis C virus; HBV: Hepatitis B virus; NBNC: Hepatitis B surface antigen and HCV antibody negative; AST: Aspartate aminotransferase; ALT: Alanine aminotransferase; WBC: White blood cells; PLT: Platelet count; PT: Prothrombin time; ICG 15: Indocyanine green retention rate at 15 min.

Table 2 Right hepatic lobe atrophy rate 1 mo after percutaneous transhepatic portal vein embolization or portal vein ligation (mean ± SD)

Variables	PTPE group (n = 9)	PVL group (n = 4)	P value
Preoperative RHL volume (mL)	804.9 ± 181.1	813.3 ± 129.7	0.83
Preoperative RHL volume rate (%)	68.9 ± 2.8	69.2 ± 4.2	0.94
Postoperative RHL volume (mL)	638.4 ± 153.6	749.8 ± 121.9	0.14
Postoperative RHL volume rate (%)	54.6 ± 4.2	63.7 ± 3.9	0.0056
RHL atrophy rate 1 mo postoperation (%)	14.3 ± 2.3	5.4 ± 1.6	0.0061

PTPE: Percutaneous transhepatic portal vein embolization; PVL: Portal vein ligation; RHL: Right hepatic lobe.