435 Post ERCP Pancreatitis at a Tertiary Centre - a Retrospective Incidence and Causal Analysis

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Abstract Background Post Endoscopic Retrograde Cholangio Pancreatography (ERCP) pancreatitis (PEP) is a serious and potentially life-threatening complication of ERCP. The overall incidence of PEP varies between 3.5% and 9.7% as per the recent meta-analyses in 2014. We aim to evaluate the incidence of PEP, conduct a causal analysis and financial implications at our hospital for general surgical patients. Method All General Surgical patients who had ERCP done between 01/10/2022 and 31/03/2023 were included in the analysis. The patient records on TrakCare® were analysed for demographic details, admission records, ERCP details, pre-procedural laboratory values and length of stay. The successful ERCPs defined as cannulation of the common bile duct were divided into the PEP and the non-PEP groups. Results A total of 155 patients had ERCP attempted but only 131 were successful. Of these 131, 13 (9.92%) developed PEP. Females in their 60s were predominantly affected. Three out of six patients undergoing ERCP for malignant biliary obstructions were affected (50%). Patients with grossly deranged Liver Function Tests (mean bilirubin levels >=134.92µmol/L) had a higher risk of developing PEP (p-value=0.021). The mean overall hospital stay was 3.5 days longer (2-49 days) for patients who developed PEP costing an extra £20,475 - £35,763 over 6 months to the NHS. There were no mortalities recorded. Conclusions Patients with gallstone disease should receive prompt cholecystectomy adhering to NICE guidelines to reduce the risk of developing gallstone-related complications. This in turn would lead to a reduction in PEP and positively affect the financial implications for the NHS.

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