P523 Endoscopic balloon dilatation is safe and has a high success rate in patients with stricturing Crohn’s disease

Abstract Background Stricturing Crohn’s disease (CD) is associated with significant morbidity and high rates of surgery with anastomotic strictures commonly occurring after surgery. Endoscopic balloon dilatation (EBD) may avoid or delay operative management of strictures. Methods A retrospective audit of CD patients undergoing EBD was conducted at 11 hospitals across Australia and New Zealand. Local, prospectively maintained patient databases and procedure records were used to identify cases from June 1999 to October 2018. A stricture was defined as a narrow segment of intestine unable to be traversed with a colonoscope. Stricture length (long ≥4 cm, short