Double-balloon endoscopic retrograde cholangiopancreatography for patients who underwent liver operation: A retrospective study

Table 1 Patients’ characteristics

	Liver operation group			Control group
	26 patients, 45 procedures			40 patients, 59 procedures
	Hepatectomy	LDLT	Total	PD	PPPD	SSPPD	Total
Sex, male: female, patients	7:7	4:8	11:15	8:1	3:1	15:12	26:14
(male: female, procedures)	(9:9)	(8:19)	(17:28)	(12:1)	(3:1)	(27:15)	(42:17)
Age, median, years old	70	27	61	66	67.5	66.5	67
(IQR)	(66.3-75.8)	(24.5-54.5)	(26-69)	(53-70)	(66.8-68)	(60.5-75)	(61-74)
Indication of surgical gastrointestinal reconstruction, procedures
Biliary disease (malignant)	14	0	14	2	0	8	10
Biliary disease (benign)	3	15	18	0	0	0	0
Liver disease (malignant)	1	3	4	0	0	0	0
Liver disease (benign)	0	9	9	0	0	0	0
Pancreatic disease (malignant)	0	0	0	8	4	27	39
Pancreatic disease (benign)	0	0	0	0	0	1	1
Gastric/duodenal disease (malignant)	0	0	0	3	0	6	9
Indication of DB-ERC (including duplication), procedures
Stenosis of hepaticojejunostomy	13	21	34	4	4	26	34
Bile duct stones	6	6	12	10	1	23	34
Cholangitis	4	5	9	3	1	9	13
Stenosis of biliary duct	1	4	5	0	0	2	2
Others	1	0	1	0	0	4	4

LDLT: Living donor liver transplantation; PD: Pancreatoduodenectomy; PPPD: Pylorus-preserving pancreatoduodenectomy; SSPPD: Subtotal stomach-preserving pancreatoduodenectomy; DB-ERC: Double-balloon endoscopic retrograde cholangiopancreatography; IQR: Interquartile range.