Ex-situ liver surgery without veno-venous bypass

Table 1 General conditions of the three patients with liver tumor

No.	Sex	Age (yr)	Disease	Segments involved	Tumor diameter(cm)	Vessels involvedor infiltrated
1	Female	60	Hemangioma	1, 4, 5, 6, 7, 8	20	IVC (circum 190°, length 5 cm)
2	Male	64	Cholangiocarcinoma	1, 2, 3, 4	6	IVC (circum 80°, length 3 cm)
3	Male	55	Cholangiocarcinoma	1, 5, 7, 8	5	IVC (circum 60°, length 2 cm)
						RHV, MHV, RPV

IVC: Inferior vena cava; RHV: Right hepatic vein; MHV: Main hepatic vein; RPV: Right portal vein; Circum: Circumference.

Table 2 Details of ex-situ hepatectomy without venous bypass in the three patients

No.	Hepatectomy	Segments resected	IVC reconstruction	Operation time (h)	Anhepatic phase (h)	Blood loss (mL)	Complication	Hospital stay (d)	Outcome
1	Ex vivo hepatectomy with reimplantation of segment 2 and 3	1, 4, 5, 6, 7, 8	Synthetic graft and autologous IVC	6.6	3.8	1200	Pleural effusion	28	Alive without disease 22 mo after operation
2	Ex vivo hepatectomy with reimplantation of segment 4b, 5, 6, 7, 8	1, 2, 3, 4	Synthetic graft	6.4	2.8	3100	No	38	Alive without disease 17 mo after operation
3	Ex vivo hepatectomy with reimplantation of segment 2, 3, 4	1, 5, 6, 7, 8	Synthetic graft	7.3	4.0	2000	Liver and renal failure	11	Died

IVC: Inferior vena cava.

Table 3 Difference of operation time and anhepatic phase between our study and Pichlmayr’s venous bypass group

	n	Operation time (h)	Anhepatic phase (h)	Postoperativedeath
Pichlmayr’s	9	13.7 ± 2.6	5.7 ± 1.7	3
		(11-18)	(4-9)
Present series	3	6.7 ± 0.47	3.5 ± 0.64	1
		(6.4-7.3)	(2.8-4.0)