Correlation of pressure gradient in three hepatic veins with portal pressure gradient

Table 1 Relationship between hepatic venous pressure gradient and portal pressure gradient, between wedged hepatic vein/venous pressure and portal vein pressure, and between free hepatic venous pressure and inferior vena cava pressure of three hepatic veins

	A-HVPG and PPG			B-WHVP and PVP			C-FHVP and IVCP
Hepatic vein	Right	Middle	Left	Right	Middle	Left	Right	Middle	Left
Correlation coefficient	0.15	0.25	0.14	0.26	0.38	0.26	0.30	0.18	0.16
Decisive factor	0.02	0.05	0.02	0.07	0.15	0.07	0.09	0.03	0.03
P value	0.164	0.013	0.013	0.009	< 0.001	0.008	0.002	0.078	0.111

HVPG: Hepatic venous pressure gradient; PPG: Portal pressure gradient; WHVP: Wedged hepatic vein/venous pressure; PVP: Portal vein pressure; FHVP: Free hepatic venous pressure; IVCP: Inferior vena cava pressure.

Table 2 Presence of collateral branches in balloon occlusion of hepatic vein angiography

Hepatic vein	HVPG	PPG	WHVP	PVP	FHVP	IVCP
Right (mmHg)	8.02 ± 6.58	26.13 ± 9.97	19.81 ± 8.18	35.56 ± 9.86	11.79 ± 4.46	9.44 ± 2.68
Middle (mmHg)	14.36 ± 6.65	29.67 ± 7.96	24.62 ± 6.26	37.72 ± 7.79	10.26 ± 3.07	8.06 ± 3.23
Left (mmHg)	12.09 ± 5.36	29.68 ± 8.77	23.26 ± 6.77	37.86 ± 8.40	11.17 ± 4.20	8.18 ± 3.19

HVPG: Hepatic venous pressure gradient; PPG: Portal pressure gradient; WHVP: Wedged hepatic vein/venous pressure; PVP: Portal vein pressure; FHVP: Free hepatic venous pressure; IVCP: Inferior vena cava pressure.

Table 3 Balloon occlusion of hepatic vein angiography without collaterals

Hepatic vein	HVPG	PPG	WHVP	PVP	FHVP	IVCP
Right (mmHg)	18.64 ± 6.33	25.33 ± 8.90	30.14 ± 7.52	33.60 ± 8.06	11.50 ± 4.87	8.28 ± 3.93
Middle (mmHg)	18.68 ± 8.47	24.55 ± 9.03	30.74 ± 10.10	33.10 ± 8.28	12.06 ± 4.21	8.55 ± 3.90
Left (mmHg)	18.34 ± 7.21	24.29 ± 8.80	30.75 ± 9.45	32.83 ± 8.05	12.40 ± 4.29	8.54 ± 3.94

HVPG: Hepatic venous pressure gradient; PPG: Portal pressure gradient; WHVP: Wedged hepatic vein/venous pressure; PVP: Portal vein pressure; FHVP: Free hepatic venous pressure; IVCP: Inferior vena cava pressure.