HPB O05 - Changing paradigms in the management of severe acute pancreatitis: Focused multi-disciplinary working between surgeons and intensivists to mitigate organ failure in order to reduce mortality

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Abstract Background Mortality was classically bimodal in severe acute pancreatitis and organ failure is the single most important factor in predicting outcome in severe acute pancreatitis. Initial interventions are supportive often requiring critical care. Subsequently treatments are required to manage necrosis and any organ recovery remains under threat. The outcomes and interventions from surgery and critical care are reviewed to determine how to balance organ failure and the need for necrosectomy in a modern multi-disciplinary tertiary care centre Method The Royal Liverpool provides a tertiary service to all patients with pancreatitis across Merseyside and North Wales. All patients that were transferred to critical care from 2018 – 2023 were analysed using the intensive care national audit and research centre database which contains information on organ failure. The patients with severe pancreatitis were then reviewed using electronic clinical notes and radiology images to determine clinical course and management. Results Of 134 patients, 48 (36%) were admitted locally, 85 (64%) transferred in, occurring 35% <2weeks, 29% 2-4weeks, 28% 4-6weeks and 8% >8weeks. 76 (57%) required necrosis intervention, 58 (43%) were conservatively managed. Mortality was 38% with 35% <4weeks, 22% 4-8weeks, 22% 8-12weeks, 22% >12weeks. No significant difference in mortality between conservative or interventional management (15 (45%) vs 18 (55%)) nor median age (58 vs 57.5 yrs). Survival related to number of failing organs (dead vs alive): nil organs: 10 patients vs 27 patients (20%vs32%), One: 11 vs 45 (22%vs45%), Two: 21 vs 9 (42%vs11%), Three: 8 vs 3 (16%vs4%), p<0.005. Conclusion Of patients deemed fit for ITU admission with necrotising pancreatitis, the classic paradigms of biphasic mortality no longer occur. Differences in mortality from intervention and age of patient has been negated by optimal ITU management for organ failure. For the initial phases and the intervention phases of management, ensuring degree of organ failure is key to survival. There is a significant change when two organs fail in mortality and this stresses the importance of holistic management. Our ITU promotes pancreas specific organ preservation measures of early enteral feeding, cessation/tailoring of antibiotics, early extubation/tracheostomy and most importantly multidisciplinary working

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