Redefining Budd-Chiari syndrome: A systematic review

Table 3 Obstruction characteristics: Location, type, and associated findings

	Classical BCS						HVC-BCS
	Perellóet al[40]	Darwish Murad et al[24]	Sakr et al[22]	Deepak et al[29]	Harmanci et al[42]	Faraoun et al[25]	De et al[23]	Xu et al[41]	Ebrahimi et al[46]	Cheng et al[13]	Zhou et al[26]
Country	Spain	Europe	Egypt	India	Turkey	Algeria	India	China	Iran	China	China
n (%)	21	163	94	20	62	176	40	1360	21	145	338
Obstruction location
HV only	17 (81)	80 (49)	70 (74)	17 (85)	35 (56)	125 (71)	N/A	2 (0)	6 (29)	45 (31)	45 (13)
IVC only	0 (0)	4 (2)	3 (3)	1 (5)	8 (14)	0 (0)	23 (72)	1358 (100)	12 (57)	8 (6)	8 (2)
Both HV and IVC	4 (19)	79 (48)	16 (17)	2 (10)	19 (30)	51 (29)	9 (28)		3 (14)	92 (63)	285 (84)
HV thrombosis	20 (95)				54 (87)	170 (97)		DNS		15 (10)
IVC thrombosis	3 (14)	DNS	DNS	DNS	27 (44)	DNS		123 (9)
IVC web/membrane	1 (5)		2 (1)	DNS	DNS	DNS	12 (30)	717 (53)	11 (52)	89 (61)
Collateral circulation										92 (63)	220 (65)
Benign regenerative nodules										36 (25)1	79 (23)

¹Described as “benign nodules”, not benign regenerative nodules. DNS: Study mentions generally, but, does not provide specific counts; BCS: Budd-Chiari syndrome; HV: Hepatic vein; HVC: Hepatic vena cava; IVC: Inferior vena cava.