Table 3.

Measured pressure gradients between hepatic vein and inferior vena cava pre- and post-intervention. Of note, in two patients no significant pressure gradients were appreciated and therefore no endovascular interventions were performed

Patient	Intervention	Pressure gradient pre-interventional [mmHg]	Pressure gradient post-interventional [mmHg]
1	1	25	9
4	1	20	10
5	1	2	1
5	2	4	1
6	1	20	3
7	1	19	13
8	1	6	4
9	1	7	3
10	1	7	3
11	1	no significant pressure gradient (4 mmHg)	-
12	1	7	1
12	2	no pressure gradient (0 mm Hg)	-