Liver resection for hepatocellular carcinoma using a microwave tissue coagulator: Experience of 1118 cases

Table 5 Summary of large-scale studies on hepatectomy for hepatitis C virus

Transection method	n	Study period	Etiology	LC	OT (median/mean)	OBL (median/mean)	MTS	BL/AFC	5-yr RFS/OS	Authors	Ref.
UD	398	1983-1997	HBV 22	52	-	-/1848	5.0 cm	-	23/34	Hanazaki	[15]
			HCV45					-
-	154	1991-1999	HBV 24	65	-	-	-	3.2/5.8	37/-	Fong et al	[16]
			HCV 6
MTC	214	1992-2001	HBV 17	47	273/284 min	1010/1628 mL	3.9 cm	13%/-	28/58	Satoi	[10]
			HCV 72
CC/UD	532	1994-2002	-	-	-	-/635 mL	-	9.0/8.4	-/-	Imamura et al	[17]
-	168	1999-2003	-	66	-	-/322 mL	5.1 cm	< 1%/< 1%	47/61	Shi et al	[18]
RFAR	55	2001-2007	HBV 24	100	-/165	-/22	-	1.8/9.0	-/-	Curro et al	[2]
			HCV 38
UD	359	2001-2010	HBV 34	-	-/291	-/1288	-	12.8/8.6	-/-	Sadamori	[19]
			HCV 45
MTC	1118	1990-2013	HBV 25	59	165/178 min	250/497 mL	2.2 cm	3.1/4.4	40/78	Present study
			HCV 60

LC: Liver cirrhosis; OT: Operative time; OBL: Operative blood loss; MTS: Median tumor size; BL: Bile leakage; AFC: Intra-abdominal abscess/fluid formation; RFS: Recurrence-free survival; OS: Overall survival; UD: Ultrasonic dissector; MTC: Microwave tissue coagulator; CC: Clamp crash; RFAR: Radiofrequency-assisted resection; HBV: Hepatitis B virus; HCV: Hepatitis C virus.