Background & aims Acute Pancreatitis (AP) tends to have a benign course in children. However there is a paucity of information with respect to severity of AP in children, the categorization of collections viz., walled off necrosis (WON)& pseudocyst and their natural history & outcomes. Methods A retrospective medical record review of 187 children with pancreatitis diagnosed and managed at our centre was performed. Results 101 children (59% boys, Median age 9yrs) had AP of which 37.6%, 60.4% and 2% had mild, moderately severe and severe AP. 61.4%(62) had PFC at diagnosis; 34%(21) acute pancreatic fluid collections (APFC) and 66%(41) acute necrotic collections (ANC). 52.3%(11of21) of APFC evolved into pseudocysts & 68.2%(28of41) of ANC into WON’s. Drainage was required in 31%(12of39) of persisting collections, more frequently in children with traumatic AP. Percutaneous catheter drainage (PCD) was done in 6 children and endoscopic ultrasound (EUS) guided cystogastrostomy with placement of plastic or self expanding metal stents (SEMS) in 6 children. Conclusions Moderately severe AP is common in hospitalized children with AP with PFC developing in 61.4%, majority being APFC. 48% of APFC and 32% of ANC will resolve and the rest evolve into pseudocyst or WON. Spontaneous resolution is more likely in children with non -traumatic AP having pseudocysts rather than WON’s.
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