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Background Symptomatic pancreatic pseudocysts or walled off necrosis following pancreatitis can be drained via a stoma from the collection to the GI tract, this is typically facilitated by endoscopic stents. These stents are left in-situ until the area has drained, this can take several months. The stent is then ideally removed endoscopically. Little is known about the consequences of failed endoscopic stent removal or factors contributing to this failure.   Methods Retrospective analysis of prospective data at LUHFT between 1st January 2018 and 31st December 2019 of patients receiving at least one Hot Axios stent for management of pancreatic collection. Normally distributed data were compared using Student’s two tailed T test, with non-parametric data compared using Mann-Witney U test, categorical data were analysed using Chi2 test Results 131 patients were included in analysis, of which 74 were male with a median age of 56 years (IQR 46-66.5).  Failure of endoscopic removal (14 patients) was associated with a longer time to removal; 101 days (IQR 78-121) to first attempt vs. 49 days (IQR 19-104) to first endoscopic attempt where the stent was successfully retrieved endoscopically (p &amp;lt; 0.01). Surgical removal was undertaken in 6 patients, with significant morbidity in 2 of 6 patients. Overall 90-day mortality in patients undergoing Hot Axios stent placement was 8 of 131 (6%). Conclusions Endoscopic stent removal fails more frequently in patients where the stent has remained in situ for a long time before removal is attempted. Surgical removal of Hot Axios Stents is associated with significant morbidity, and this should be balanced against the as yet unknown consequences of leaving Hot Axios stent in-situ permanently.

P-P25 Hot Axios stent removal following endoscopic pancreatic necrosectomy