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Nuances of Ileal Pouch-Anal Anastomosis in Familial Adenomatous Polyposis

J. Church

Published 2022 in Diseases of the Colon & Rectum

ABSTRACT

BACKGROUND: Patients with familial adenomatous polyposis are sometimes treated with prophylactic or therapeutic proctocolectomy to either prevent or treat the almost inevitable colorectal cancer that develops in the numerous, early onset tubular adenomas to which they are prone. These patients are potential candidates for a restorative IPAA. OBJECTIVE: This study aimed to highlight the particular nuances of ileal pouch-anal surgery faced by patients with familial adenomatous polyposis and point out the implications of the syndrome for patients who are candidates for an IPAA and the surgeons operating on them. STUDY SELECTION: A literature search was performed on PubMed and MEDLINE using the terms “ulcerative colitis,” “familial adenomatous polyposis,” “surgery,” and “ileal pouch-anal anastomosis.” CONCLUSIONS: As a result of a fundamental difference in pathophysiology, there are significant differences in demographics, presentation, surgical strategy, and sequelae of proctocolectomy and IPAA between familial adenomatous polyposis and ulcerative colitis. Proctocolectomy with IPAA in selected familial adenomatous polyposis patients can be performed in 1 stage, but their lack of symptoms means that any complications assume a greater significance. In polyposis patients, postoperative endoscopic surveillance of residual large intestine begins immediately, whereas surveillance of the pouch itself becomes increasingly important. Symptoms leading to a diagnosis of pouchitis are instead often due to structural and functional issues.

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