Efficacy and Safety of Single-Session Endoscopic Stone Removal for Acute Cholangitis Associated with Choledocholithiasis

Table 2

Procedures of early endoscopic retrograde cholangiopancreatography.

Endoscopic procedures (n (%))	Removal group (n=78)	Drainage group (n=89)	value
Techniques for successful biliary cannulation
CC	69 (88.5)	77 (86.5)	0.705
P-GW	7 (9.0)	12 (13.5)	0.360
Pre-cut	2 (2.6)	0 (0)	0.420
Endoscopic sphincterotomy	58 (74.4)	11 (12.4)	<0.001
Endoscopic papillary balloon dilatation	9 (11.5)	0 (0)	0.003
Endoscopic papillary large balloon dilatation	8 (10.3)	0 (0)	0.006
Intraductal ultrasonography	8 (10.3)	1 (1.1)	0.024
Endoscopic mechanical lithotripsy	10 (12.8)	–	–
Basket catheter	42 (53.8)	–	–
Balloon catheter	49 (62.8)	–	–
Endoscopic nasobiliary drainage	9 (11.5)	16 (18.0)	0.245
Endoscopic biliary stenting	8 (10.3)	74 (83.1)	<0.001
Incidental pancreatography	30 (38.5)	33 (37.1)	0.854
Pancreatic stenting to prevent pancreatitis	6 (7.7)	12 (13.5)	0.229

CC: conventional contrast cannulation, P-GW: pancreatic duct guidewire placement method.