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Ileal Pouch Excision

A Contemporary Observational Cohort

Worley, Guy H.T., M.R.C.S.1,2; Patsouras, Dimitrios, M.D., Ph.D.1; Sahnan, Kapil, M.R.C.S.1,2; O. Adegbola, Samuel, M.R.C.S.1,2; Mahmood, Humza, M.B.B.S.1; Faiz, Omar D., F.R.C.S.1,2; Clark, Susan K., F.R.C.S.1,2

Diseases of the Colon & Rectum: April 2019 - Volume 62 - Issue 4 - p 454–462
doi: 10.1097/DCR.0000000000001273
Original Contributions: Inflammatory Bowel Disease
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BACKGROUND: Pouch excision is required for many of those patients experiencing pouch failure in whom ileostomy alone is inadequate and revision surgery is not appropriate. The published rate of pouch failure is approximately 10% at 10 years, resulting in a growing cohort of patients requiring excision.

OBJECTIVE: In this article, we aim to describe the indications for excision and postoperative outcomes at our center since 2004.

DESIGN: This is a retrospective observational study.

SETTINGS: This study was conducted at a tertiary referral center for ileal pouch dysfunction. Cases were documented from 2004 to 2017.

PATIENTS: The cohort comprised 92 patients; 83% were diagnosed with ulcerative colitis, 15% with familial adenomatous polyposis, and 2% with indeterminate colitis.

INTERVENTIONS: Patients underwent excision of pelvic ileal pouches.

MAIN OUTCOME MEASURES: The primary outcomes measured were the time to perineal wound healing and healing at 6 months. Thirty- and 90-day morbidity and mortality were evaluated.

RESULTS: Postoperative histology was consistent with Crohn’s disease in 1 patient. The median time from pouch creation to excision was 7 years. The rate of perineal wound healing at 6 months was 78%, and regression analysis demonstrated significantly improved chances of healing for noninfective indications for excision (p = 0.023; OR, 15.22; 95% CI, 1.45–160.27) and for more recent procedures (p = 0.032; OR, 12.00; 95% CI, 1.87–76.87).

LIMITATIONS: This study was limited because it was retrospective in nature, and it was a single-center experience.

CONCLUSIONS: This study represents the most contemporary cohort of patients undergoing pouch excision surgery. The procedure retains a relatively high postoperative morbidity, but this study demonstrates a learning curve with improving perineal healing over time associated with a high institutional volume. Defunctioning ileostomy may improve perineal wound healing in patients with infective indications for excision. Further investigation is required to establish the quality-of-life benefits of pouch excision in this modern cohort. See Video Abstract at http://links.lww.com/DCR/A804.

1 St Mark’s Hospital and Academic Institute, London North West Healthcare NHS Trust, Middlesex, United Kingdom

2 Department of Surgery and Cancer, Imperial College London, London, United Kingdom

Funding/Support: None reported.

Financial Disclosures: None reported.

Correspondence: Guy Worley, M.R.C.S., St Mark’s Hospital and Academic Institute, London North West Healthcare NHS Trust, Middlesex, HA1 3UJ, United Kingdom. E-mail: guy.worley@nhs.net.

© 2019 The American Society of Colon and Rectal Surgeons