What is the typical recurrence rate after endoscopic balloon dilatation for anal stenosis in adults

What is known

- The available data concern balloon dilatation of small-bowel, ileocolic anastomotic, and ileal pouch-anal anastomotic strictures — where most patients recur and need redilatation or surgery ^1,2.

What is unknown / caveats

- The retrieved evidence does not report a recurrence rate for endoscopic balloon dilatation of anal (anal-canal) stenosis specifically - The strictures covered by the available data are a distinct entity from anal stenosis.

## References

1. Nakase H, Esaki M, Hirai F, Kobayashi T, Matsuoka K, Matsuura M, Naganuma M, Saruta M, Tsuchiya K, Uchino M, Watanabe K, Hisamatsu T, TRADE consensus G. Treatment escalation and de-escalation decisions in Crohn's disease: Delphi consensus recommendations from Japan, 2021. J Gastroenterol. 2023;58(4):313-345. PMID: 36773075.

2. Masaki T, Kishiki T, Kojima K, Asou N, Beniya A, Matsuoka H. Recent trends (2016-2017) in the treatment of inflammatory bowel disease. Ann Gastroenterol Surg. 2018;2(4):282-288. PMID: 30003191.

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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._