Preoperative biliary drainage in patients with hilar cholangiocarcinoma undergoing major hepatectomy

Table 2 Postoperative outcomes of patients undergoing major hepatectomy n (%)

	Drained (n = 32)	Undrained (n = 46)	P value
Morbidity	17 (53.1)	27 (58.7)	0.626
Infectious morbidity	13 (40.6)	11 (23.9)	0.116
Intra-abdominal abscess (II-IIIa)	3 (9.4)	2 (4.3)	0.673
Wound infection (I-IIIb)	4 (12.5)	4 (8.7)	0.869
Cholangitis (II)	1 (3.1)	2 (4.3)	1.000
Sepsis (IVa-V)	2 (6.3)	1 (2.2)	0.747
Lung infection (II)	6 (18.8)	5 (10.9)	0.325
Noninfectious morbidity	10 (31.3)	22 (47.8)	0.143
Liver failure (II-V)	3 (9.4)	6 (13)	0.890
Bile leak
Remnant liver1 (II-IIIa)	2 (6.3)	4 (8.7)	1.000
Anastomotic leak2 (II-IIIb)	1 (3.1)	2 (4.3)	1.000
Abdominal collection (I-IIIa)	6 (18.8)	9 (19.6)	0.928
Gastrointestinal bleeding (IIIa-V)	0	2 (4.3)	0.510
Abdominal bleeding (II-IIIb)	1 (3.1)	2 (4.3)	1.000
Respiratory failure (IVa)	0	3 (6.5)	0.265
Renal failure (IVa-V)	3 (9.4)	4 (8.7)	1.000
Mortality (V)	3 (9.4)	2 (4.3)	0.673
Reoperation	2 (6.3)	3 (6.5)	1.000
Postoperative hospital stay (d)	16.5 (13.5-20.5)	15 (12-18)	0.221

Clavien-Dindo grades of surgical complications are within parentheses.

¹From remnant liver;

²From hepaticojejunostomy.