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Background Ileocolonic resection is the most common surgery in Crohn’s disease (CD). However, stricture formation in the anastomosis is considered to be a frequent cause of significant morbidity in CD and a reason for reoperation. Endoscopic balloon dilatation (EBD) is an established modality for non-surgical treatment of strictures in CD, however, summary data from the Czech Republic are lacking. Methods All EBDs of CD anastomotic strictures performed in the 7 centres from the Czech Republic between January 1, 2013, and May 30, 2019, were included. Demographics, disease characteristics, concomitant medication and procedure outcomes were analysed. Technical success was defined as an ability to pass the endoscope through the site of the stricture following the procedure. Complications included perforation and bleeding with the need for intervention or hospitalisation. Kaplan–Meier and logistic regression analysis were performed. Results In total, 615 procedures performed in 282 patients, 52.1% males, were included. Mean age at the time of the first procedure was 41.9 ± 12.7 years and mean disease duration was 14.5 ± 8.4 years. Single dilatation was performed in 47.9% of patients, 52.1% requested repeated interventions (2–10, median 2). Cumulative probability of redilatation at 6 months, 1 year and 3 years was 20.2% (95% CI 14.8–26.2%), 31.8% (95% CI 26.5–37.2%) and 59.4% (95% CI 55.5–63.0%) respectively. Cumulative probability of a need for reoperation at 6 months, 1 year and 3 years was 4.4% (95% CI 0.5–16.9%), 8.2% (95% CI 2.3–19.3%) and 14.8% (95% CI 7.1–25.2%) respectively. Technical success was reached in 81.1% of procedures and relief of symptoms in 86.7%. The success of the procedure was dependent on the age of the patient (OR 0.98; 95% CI 0.96–0.99), smoking (OR 0.57; 95% CI 0.32–0.98) and concomitant immunosuppression use (OR 1.99; 95% CI 1.31–3.02). Complications occurred in 2.6% of the procedures. Reintervention until 6 months after the procedure was needed in 26.7% of cases, out of which repeated dilatation in 21.3% of cases and early surgery took place in 5.4% of cases. The technical success (OR 0.44; 95% CI 0.29–0.67) and repeated dilatation (OR 1.57; 95% CI 1.09–2.27) were significantly associated with the need for reintervention until 6 months. Conclusion In a large multicentric Czech cohort, the EBD in Crohn’s disease anastomotic strictures was proven to be safe and effective with results comparable to the available international data.

journal of crohn's and colitis

P480 Efficiency and safety of endoscopic balloon dilatation of ileocolonic anastomotic strictures in patients with Crohn’s disease: A multicentric retrospective study