| Disease condition | Rationale | Type of ostomy | Time |
|---|---|---|---|
| Acute colitis | Defunction (after subtotal colectomy) | End ileostomy | Temporary or permanent |
| Chronic disease | Eradication of disease (after panproctocolectomy) | End Ileostomy | Permanent |
| Elective | Defunction (after ilealpouch surgery) | Loop ileostomy | Temporary |