TPC with end ileostomy vs segmental resection in Crohn's colitis

What is known

• When ≥2 colonic segments are involved, total colectomy with ileoproctostomy is typically preferred over segmental resection due to earlier recurrence; refractory proctitis generally warrants TPC with permanent ileostomy. ¹
• Recurrence after TPC/EI is much lower than after any anastomosis-preserving operation; one series reported 5-, 10-, and 15-year recurrence of 13%, 17%, and 25%. ²
• Segmental resection had a shorter interval to surgical recurrence than total colectomy (weighted mean difference ~4.4 years). ¹
• Bowel preservation matters because surgery is not curative and small-bowel recurrence can occur regardless of extent resected; segmental/subtotal options are reserved for limited disease with a spared rectum and minimal perianal disease. ^3,4

What is unknown / caveats

• Evidence base is old cohorts, narrative reviews and one 1988 series. No RCT and recurrence definitions differ across studies
• Involvement of the entire colon AND rectum removes segmental resection with primary anastomosis as a realistic comparator; the retrieved data compare TPC/EI mainly against segmental/subtotal colectomy and IRA
• The retrieved evidence does not stratify outcomes by prior biologic failure, so the effect of that specific factor on the TPC/EI-vs-anastomosis choice is not established here.

References

1. [No authors listed]. The American Society of Colon and Rectal Surgeons Clinical Practice Guidelines for the Surgical Management of Crohn's Disease. Dis Colon Rectum. 2020;63(8):1028-1052. PMID: 32692069.

2. [No authors listed]. Crohn's Disease of the Colon, Rectum, and Anus. Surg Clin North Am. 2015;95(6):1195-210, vi. PMID: 26596922.

3. Lightner AL. Segmental Resection versus Total Proctocolectomy for Crohn's Colitis: What is the Best Operation in the Setting of Medically Refractory Disease or Dysplasia?. Inflamm Bowel Dis. 2018;24(3):532-538. PMID: 29462390.

4. Li Y, Stocchi L, Mu X, Cherla D, Remzi FH. Long-term Outcomes of Sphincter-Saving Procedures for Diffuse Crohn's Disease of the Large Bowel. Dis Colon Rectum. 2016;59(12):1183-1190. PMID: 27824704.

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Draft, generated by the IBDology RAG and not yet clinician-reviewed. Answers are grounded in the retrieved literature listed above; a high faithfulness score means the answer matches its sources, not that the sources are correct.