Table 2 ERCP characteristics and complications.
Total | PEP* | No PEP | P value | |
|---|---|---|---|---|
(n = 510) | (n = 36) | (n = 474) | ||
Cholangiography | 481 (94.3%) | 36 (100%) | 445 (93.9%) | 0.25 |
Biliary duct diameter (mm; mean ± SD) | 11 ± 4 | 11 ± 5 | 11 ± 4 | 0.45 |
Wirsung opacification | 133 (26.1%) | 12 (33.3%) | 121 (25.5%) | 0.3 |
Pancreatic acinarization | 12 (2.4%) | 2 (5.6%) | 10 (2.1%) | 0.21 |
Contrast injection (ml) | 14 ± 8 | 13 ± 7 | 14 ± 8 | 0.92 |
>3 pancreatic duct injections | 39 (7.6%) | 4 (11.1%) | 35 (7.4%) | 0.34 |
Biliary sphincterotomy | 465 (91.2%) | 35 (97.2%) | 430 (90.7%) | 0.35 |
Biliary stent | 152 (29.8%) | 12 (33.3%) | 140 (29.5%) | 0.71 |
Precut sphincterotomy | 78 (15.3%) | 5 (13.9%) | 73 (15.4%) | 0.81 |
Cannulation difficulty | ||||
1–5 attempts | 310 (60.8%) | 18 (50%) | 292 (61.6%) | 0.33 |
6–15 attempts | 111 (21.8%) | 11 (30.6%) | 100 (21.1%) | |
>15 attempts | 89 (17.4%) | 7 (19.4%) | 82 (17.3%) | |
Cannulation failure at first endoscopy | 33 (6.5%) | 1 (2.8%) | 32 (6.8%) | 0.5 |
Intradiverticular papilla | 86 (16.9%) | 3 (8.3%) | 83 (17.5%) | 0.25 |
Procedure time (minutes) | 30 ± 21 | 31 ± 17 | 30 ± 21 | 0.94 |
Complications | ||||
Acute pancreatitis | 36 (7.1%) | |||
-Severe | 2 (5.6%) | |||
-Moderate | 13 (36.1%) | |||
-Mild | 21 (58.3%) | |||
Bleeding | 21 (4.1%) | |||
Cholangitis | 12 (2.4%) | |||
Perforation | 3 (0.6%) | |||
Deceased | 1 (0.2%) | |||
