| Data ERCP | Results |
| sphincterotomy | 151 (100%) |
| Expansion of the CBD: | 107 (71%) |
| Evacuation of hydatid membranes without gallstones | 78 (51 %) |
| Hydatic membranes with calculation | 9 (6%) |
| Gallstones only | 22 (15%) |
| CBD free | 42 (28%) |
| Use of biliairy prothesis | 3 (1.9%) |
| Immediate complications: bleeding | 1 (0.66%) Ulcer genus superiorus stage IIc |
| Post ERCP pancreatitis | 1 (0.66%) |
| Second ERCP for severe cholangitis, with evacuation of hydatid membranes | 2 (1.3%) |