Reversed portal flow: Clinical influence on the long-term outcomes in cirrhosis

Table 2 Portal hemodynamics using Doppler sonograms n (%)

	Forward portal flow	Non-forward portal flow	P value
Number of subjects	198	24
Portal vein thrombosis (-/+)1	181/17	23/1	0.4538
Diameter of portal trunk (mm), mean ± SD (range)	11.9 ± 2.4 (4.9-22.7)	10.1 ± 2.0 (7.7-14.0)	0.0013
Collateral vessels (-/+)1	29/169	0/24	0.0443
Left gastric vein (hepatofugal)	137 (69.2)	9 (37.5)	0.0020
Short gastric vein (hepatofugal)	32 (16.2)	12 (50.0)	< 0.0001
Splenorenal shunt (hepatofugal)	16 (8.1)	6 (25.0)	0.0088
Paraumbilical vein (hepatofugal)	53 (26.8)	2 (8.3)	0.0482
Inferior mesenteric vein (hepatofugal)	9 (4.5)	4 (16.7)	0.0169
Characteristics of the largest collateral vessel
Diameter > 8.7 (mm)2	26 (13.1)	17 (70.8)	< 0.0001
Flow velocity > 10.2 (cm/s)2	87 (43.9)	17 (70.8)	0.0126
Flow volume > 310 (mL/min)2	52 (26.3)	16 (66.7)	< 0.0001

¹-: absence, +: presence;

²Cut-off value was determined using the receiver operating characteristics analysis.