Relationship between encephalopathy and portal vein-vena cava shunt: Value of computed tomography during arterial portography

Table 1 Assessment of portal vein-vena cava shunt in encepha-lopathy

	Grade I	Grade II	Grade III	Grade IV
	n (%)	n (%)	n (%)	n (%)
Esophageal varices	26 (89.7)	9 (56.25)	8 (80)	4 (100)
Paragastric varices	25 (86.2)	11 (68.75)	7 (70)	3 (75)
Cirsomphalos	12 (41.3)	11 (68.75)	8 (80)	4 (100)
Retroperitoneal varices	11 (37.9)	9 (56.25)	6 (60)	4 (100)
Paraesophageal varices	13 (44.8)	10 (62.5)	7 (70)	3 (75)
Dilated azygos vein	6 (20.1)	13 (81.25)	9 (90)	2 (50)
Dilated left renal vein	2 (6.9)	1 (6.25)	1 (10)	3 (75)
Paragallbladder varices	0 (0)	1 (6.25)	1 (10)	2 (50)
Hepatic artery-portal vein fistula	0 (0)	3 (18.75)	6 (60)	4 (100)
Portal vein emboli	2 (6.9)	8 (50)	7 (70)	3 (75)