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  • Title: Pouch outcomes among children with ulcerative colitis treated with calcineurin inhibitors before ileal pouch anal anastomosis surgery.
    Author: Hait EJ, Bousvaros A, Schuman M, Shamberger RC, Lillehei CW.
    Journal: J Pediatr Surg; 2007 Jan; 42(1):31-4; discussion 34-5. PubMed ID: 17208537.
    Abstract:
    PURPOSE: The purpose of this article is to describe the outcomes of the pouches of 14 children with ulcerative colitis (UC) who were pretreated with calcineurin inhibitors before they underwent their ileal pouch anal anastomosis (IPAA) surgery. METHODS: An institutional review board-approved retrospective review of the charts of consecutive patients with UC treated with calcineurin inhibitors before undergoing IPAA surgery at a tertiary pediatric center between 1998 and 2003 was performed. The primary endpoint was pouch outcome after at least 2 years of follow-up (healthy pouch, acute pouchitis, chronic refractory pouchitis, or pouch failure); the secondary endpoints were early postoperative complications, number of stages, and time between stages. RESULTS: Fourteen of 53 consecutive patients who underwent IPAA for UC were treated with calcineurin inhibitors before their surgery (26%; 6 with cyclosporine and 8 with tacrolimus). All 14 patients were concomitantly treated with systemic steroids. Ten patients (71%) were also taking 6-mercaptopurine or azathioprine, and 9 (64%) were also taking mesalamine. Three patients (21%) had healthy pouches with no clinical evidence of pouchitis, 6 (43%) had at least one episode of acute pouchitis (average of 2 episodes per year), 3 (21%) had chronic relapsing pouchitis, and 2 (14%) were later determined to have Crohn's disease. There was no pouch failure. Two patients (14%) had an early postoperative complication (intraabdominal abscess, anastomotic stricture). Five patients (36%) had a 2-staged procedure, and 8 (64%) had a 3-staged procedure. For the 2-staged procedures, the mean time between the first and second stages was 3.14 months (range, 3-4 months). For the 3-staged procedures, the mean time between the first and second stages was 4.25 months (range, 2-6 months) and that between the second and third stages was 4 months (range, 2.5-6 months). CONCLUSIONS: In this series, chronic pouchitis was an infrequent complication among children who were pretreated with calcineurin inhibitors. Calcineurin inhibitor use did not lead to or portend increased early postoperative complications or affect the number or duration of surgical stages. Further studies are required to determine if preoperative calcineurin inhibitors improve pouch outcomes or facilitate the performance of 2-staged procedures.
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