Does hand‑sewn ileoanal anastomosis result in higher rates of pouch failure compared with stapled anastomosis in patients with UC

What is known

- Meta-analysis concluded stapled anastomosis is superior, with a large reduction in ileal pouch failure versus hand-sewn with mucosectomy. ¹ - The type of anastomosis was also identified as a risk factor for pouchitis, though the authors note the significance of these findings remains uncertain. ¹ - No difference between stapled and hand-sewn groups in dysplasia or neoplasia was found. ¹ - Older comparative work (Ziv/Fazio) similarly reported stapled anastomoses were safer than hand-sewn in ulcerative colitis. ^2–4

What is unknown / caveats

- Comparison is stapled vs hand-sewn WITH mucosectomy. Failure difference may partly reflect mucosectomy rather than the suture technique alone - Included studies are mostly observational; the meta-analysis rates several outcomes as low certainty - The excerpts report a directional pouch-failure benefit for stapling but do not give the pooled effect size or confidence interval for pouch failure specifically.

## References

1. Chaouch MA, Hussain MI, Gouader A, Krimi B, Mazzotta A, Costa ACD, Petrucciani N, Bouassida M, Khan J, Noomen F, Oweira H. Stapled Anastomosis Versus Hand-Sewn Anastomosis With Mucosectomy for Ileal Pouch-Anal Anastomosis: A Systematic Review and Meta-analysis of Postoperative Outcomes, Functional Outcomes, and Oncological Safety. Cancer Control. 2024;31:10732748241236338. PMID: 38410083.

2. Lian L, Kiran RP, Remzi FH, Lavery IC, Fazio VW. Outcomes for patients developing anastomotic leak after ileal pouch-anal anastomosis: does a handsewn vs. stapled anastomosis matter?. Dis Colon Rectum. 2009;52:387-93. PMID: 19333036.

3. Larson DW, Pemberton JH. Current concepts and controversies in surgery for IBD. Gastroenterology. 2004;126(6):1611-9. PMID: 15168371.

4. Wu XR, Kirat HT, Kalady MF, Church JM. Restorative proctocolectomy with a handsewn IPAA: S-pouch or J-pouch?. Dis Colon Rectum. 2015;58:205-13. PMID: 25585079.

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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._