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Analysis of risk factors - especially different types of plexitis - for postoperative relapse in Crohn's disease

Milassin, Ágnes and Sejben, Anita and Tiszlavicz, László and Reisz, Zita and Lázár, György ifj and Szűcs, Mónika and Bor, Renáta and Bálint, Anita and Rutka, Mariann and Szepes, Zoltán and Nagy, Ferenc and Farkas, Klaudia and Molnár, Tamás (2017) Analysis of risk factors - especially different types of plexitis - for postoperative relapse in Crohn's disease. WORLD JOURNAL OF GASTROINTESTINAL SURGERY, 9 (7). pp. 167-173. ISSN 1948-9366

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Abstract

AIM: To evaluate the presence of submucosal and myenteric plexitis and its role in predicting postoperative recurrence. METHODS: Data from all patients who underwent Crohn's disease (CD)-related resection at the University of Szeged, Hungary between 2004 and 2014 were analyzed retrospectively. Demographic data, smoking habits, previous resection, treatment before and after surgery, resection margins, neural fiber hyperplasia, submucosal and myenteric plexitis were evaluated as possible predictors of postoperative recurrence. Histological samples were analyzed blinded to the postoperative outcome and the clinical history of the patient. Plexitis was evaluated based on the appearance of the most severely inflamed ganglion or nerve bundle. Patients underwent regular follow-up with colonoscopy after surgery. Postoperative recurrence was defined on the basis of endoscopic and clinical findings, and/or the need for additional surgical resection. RESULTS: One hundred and four patients were enrolled in the study. Ileocecal, colonic, and small bowel resection were performed in 73.1%, 22.1% and 4.8% of the cases, respectively. Mean disease duration at the time of surgery was 6.25 years. Twenty-six patients underwent previous CD-related surgery. Forty-three point two percent of the patients were on 5-aminosalicylate, 20% on corticosteroid, 68.3% on immunomodulant, and 4% on anti-tumor necrosis factor-alpha postoperative treatment. Postoperative recurrence occurred in 61.5% of the patients; of them 39.1% had surgical recurrence. 92.2% of the recurrences developed within the first five years after the index surgery. Mean disease duration for endoscopic relapse was 2.19 years. The severity of submucosal plexitis was a predictor of the need for second surgery (OR = 1.267, 95%CI: 1.000-1.606, P = 0.050). Female gender (OR = 2.21, 95%CI: 0.98-5.00, P = 0.056), stricturing disease behavior (OR = 3.584, 95%CI: 1.344-9.559, P = 0.011), and isolated ileal localization (OR = 2.671, 95%CI: 1.033-6.910, P = 0.043) were also predictors of postoperative recurrence. No association was revealed between postoperative recurrence and smoking status, postoperative prophylactic treatment and the presence of myenteric plexitis and relapse. CONCLUSION: The presence of severe submucosal plexitis with lymphocytes in the proximal resection margin is more likely to result in postoperative relapse in CD.

Item Type: Article
Subjects: R Medicine / orvostudomány > RC Internal medicine / belgyógyászat
R Medicine / orvostudomány > RD Surgery / sebészet
SWORD Depositor: MTMT SWORD
Depositing User: MTMT SWORD
Date Deposited: 27 Sep 2017 14:22
Last Modified: 27 Sep 2017 14:22
URI: http://real.mtak.hu/id/eprint/63999

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