Table 2.
Procedural characteristics and outcomes for 895 ERCP procedures
| Characteristics | Number of procedures (%) |
|---|---|
| Targeted duct | |
| CBD | 813 (90.8) |
| PD | 63 (7.0) |
| Both | 10 (1.1) |
| Total cannulation attempts* | |
| 1 or 2 | 238 (43.6) |
| 3–5 | 103 (18.9) |
| 6–10 | 52 (9.5) |
| Greater than 10 | 86 (15.8) |
| Cannulation time, minutes—mean (SD)* | 5.12 (8.21) |
| Pancreatic duct cannulation or double wire usage† | 153 (29.9) |
| Maneuvers performed* | |
| Standard sphincterotomy | 484 (88.6) |
| Balloon sphincteroplasty | 99 (18.1) |
| Precut sphincterotomy (any kind) | 100 (18.3) |
| Needle-knife papillotomy | 61 (11.2) |
| Cholangioscopy performed | 24 (2.7) |
| Pancreatoscopy performed | 2 (0.2) |
| Procedure time, minutes—mean (SD) | 25.0 (16.5) |
| General anaesthesia used | |
| Yes | 107 (12.0) |
| No | 788 (88.0) |
| Mean doses of sedating medications used‡ | |
| Midazolam, mg IV—mean (SD) | 5.53 (7.39) |
| Fentanyl, µg IV—mean (SD) | 94.25 (38.76) |
| Diphenhydramine, mg IV—mean (SD) | 46.87 (9.61) |
| Procedural success | 806 (90.1) |
| Reasons for procedural failure | |
| Sedation-related issues | 4 (0.4) |
| Inability to locate papilla of interest | 5 (0.6) |
| Inability to cannulate duct of interest | 46 (5.1) |
| Inability to clear duct of interest or relieve obstruction | 37 (4.1) |
| Stent(s) placed in CBD | 85 (9.5) |
CBD Common bile duct; IV Intravenous; PD Pancreatic duct; SD Standard deviation.
*Calculated only from 546 procedures with native papillae; †calculated only from procedures with native papillae where the CBD was the target, n = 512; ‡calculated only from procedures where conscious sedation was used, n = 788.