Reasons for repeat ERCP (n=410)
n
%
Repeated for cannulation
176
42.9
Normal papilla
133
32.4
Duodenal diverticula
22
5.4
Protrusion of papilla due to enclaved stone
12
2.9
Duodenal ulcer
3
0.7
Other problems concerning papilla
6
1.2
Cannulated but still repeated
220
53.7
Inadequate stone extraction
179
43.6
Problems about stent
25
5.1
Tumor
8
2.0
Inadequate biopsy
1.5
Cleansing germinative membrane
2
0.5
Other reasons
14
3.4
Inadequate preparation
7
1.7
Agitated patient
Disturbed patient hemodynamics
1
0.2
