| Intraoperative procedures | Effective | Percentage |
| colostomy according to Hartmann | 19 | 63% |
| Dévolvulation | 3 | 10% |
| Ileostomy + colostomy of Hartmann | 2 | 6% |
| Jejunostomy | 1 | 3% |
| Anastomosis resection | 5 | 16% |
| Total | 30 | 100% |