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

Table 4

Comparison of adverse events in early ERCP between the removal and drainage groups.

	Removal group (n=78)	Drainage group (n=89)	value
Adverse events ratio (n (%))	9 (11.5)	9 (10.1)	0.963
Pancreatitis	2 (2.6)	1 (1.1)	0.484
Post-EST bleeding	4 (5.1)	1 (1.1)	0.259
Post-EPLBD bleeding	1 (1.3)	0 (0)	0.947
Perforation	0 (0)	0 (0)	–
Worsening cholangitis	0 (0)	0 (0)	–
Acute cholecystitis	0 (0)	0 (0)	–
Mallory-Weiss syndrome	1 (1.3)	1 (1.1)	0.536
ENBD self-removal	1 (1.3)	3 (3.4)	0.709
Stent migration	0 (0)	3 (3.4)	0.292

EST: endoscopic sphincterotomy, EPLBD: endoscopic papillary large balloon dilatation, and ENBD: endoscopic nasobiliary drainage.