Risk of venous congestion in live donors of extended right liver graft

Table 4 Middle hepatic vein management in small-for-size -remnants with remnant-volume (donor) body-weight-ratio ≤ 0.65

Donor	Remnant	Remnant	Remnant	Remnant	Remnant	Remnant CV-index	Remnant nc-RVBWR	SFSS
n = 71	Total MHV	MHV-4A	volume	RV/TLV	RVBWR		(LHV)
	preserved	preserved
1	Yes	Yes	434 mL	35%	0.63	37.9%	0.38	Yes
2	No	No	584 mL	31%	0.65	40.2%	0.39	Yes
3	No	No	512 mL	32.9%	0.62	40.0%	0.40	No
4	No	No	500 mL	31.7%	0.64	37.2%	0.38	No
5	No	Yes	429 mL	35.1%	0.60	67.9%	0.20	No
6	No	No	506 mL	38%	0.65	14.8%	0.57	No
7	No	Yes	536 mL	35.6%	0.62	43.4%	0.27	No
8	No	No	505 mL	32%	0.63	39.4%	0.49	No
9	No	No	389 mL	28%	0.60	24.4%	0.41	No
10	Yes	Yes	464 mL	28.2%	0.60	55.4%	0.20	No

SFS: Small-for-size; SFSS: Small-for-size syndrome; LDLT: Live donor liver transplantation; MHV: Middle hepatic vein; MHV-4A: Branch of MHV draining left medial sector; LHV: Left hepatic vein; RVBWR: Remnant-volume (donor) body-weight-ratio; Non-congestive-(nc)-RVBWR: Volume safely drained by LHV; RV/TLV: Remnant volume percentage of total (donor) liver volume; CV-index: Potential congestion volume percentage of remnant liver volume.