Table 8.
Characteristics of 38 patients with single-operator cholangiopancreatoscopy-guided stone therapy
| Characteristic | Value |
| Male/female, n | 23/15 |
| Mean age (yr), (range) | 65.8 (38-93) |
| Bile duct stones, n | 31 |
| Mean size of stone (mm), (range) | 20.6 (5-48) |
| Cause of difficulty of conventional treatment, n | |
| Confluence stone | 14 |
| Large impact stone > 20 mm | 14 |
| Intrahepatic stone | 3 |
| Pancreatic stone, n | 7 |
| Mean size of stone (mm), (range) | 13.9 (7-30) |
| Cause of difficulty of conventional treatment, n | |
| Impact stone | 6 |
| Large stone > 20 mm | 1 |
| Pretreatment of the papilla, n | |
| EST | 37 |
| EPBD | 1 |
| Devices used during stone therapy | |
| EHL | 15 |
| YAG laser | 20 |
EST: Endoscopic sphincterotomy; EPBD: Endoscopic papillary balloon dilation; EHL: Electrohydraulic lithotripsy.