Subtotal / Total Colectomy (Open, Laparoscopic, Robotic)
Procedure Snapshot
- Indication: Toxic megacolon, ulcerative colitis, familial polyposis.
- Expected duration: ___
- Special instruments: Staplers, energy device, retractor.
Step Workflow
- Mobilize colon from cecum to sigmoid.
- Divide ileocolic, middle colic, left colic vessels.
- Preserve small bowel & rectum (if subtotal).
- Create end ileostomy or ileorectal anastomosis.
Key Pimp Questions
- Q: Toxic megacolon indication? Failure of medical therapy > 24 h (PMID 33389680).
- Q: Rectal stump management? Stapled and oversewn subcutaneously.
Critical Anatomy
- Landmarks: IMA/IMV, ureters, retroperitoneum.
- Danger zones: Pelvic autonomics.
- Leak, stoma, bleeding, infection.
Post-op Considerations
- Fluid resuscitation; monitor stoma output.
References
- Chassin’s, Colon section; Clinical Scenarios, IBD.
- Chaparro 2021 (PMID 33389680).