Clinical Study
Parameters That May Be Used for Predicting Failure during Endoscopic Retrograde Cholangiopancreatography
Table 2
Distribution of cannulation success rates for each previous upper abdominal surgery intervention subgroup (chi-square test,
).
| | Surgical history | Cannulation | Total | | Yes | No |
| | None | 552 (13.1%) | 3665 (86.9%) | 4217 (100%) | | Billroth II/R-Y gastrojejunostomy | 10 (62.5%) | 6 (37.5%) | 16 (100%) | | Hepatic resection | 1 (10%) | 9 (90%) | 10 (100%) | | Hydatid cyst surgery | 4 (6.1%) | 62 (93.9%) | 66 (100%) | | Cholecystectomy | 20 (3.2%) | 614 (96.8%) | 634 (100%) | | Biliary tract exploration | 8 (7%) | 107 (93%) | 115 (100%) | | Others | 2 (9.5%) | 19 (90.5%) | 21 (100%) |
| | Total | 597 (11.8%) | 4482 (88.2%) | 5079 (100%) |
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