• Khalid Munir Bhatti, Shafiq Rehman, Salman Ejaz Ahmed, and Ruben Canelo.
• Department of Surgery, North Cumbria Integrated Care, Carlisle, UK.
• J Coll Physicians Surg Pak. 2022 May 1; 32 (5): 575-580.

ObjectiveTo determine the primary and secondary outcomes of patients with complicated acute pancreatitis (CAP) of moderate to severe intensity managed by using the hub-and-spoke model.Study DesignAn observational study.Place And Duration Of StudyDepartment of Surgery, North Cumbria Integrated Care, Carlisle, UK, from January 2014 to December 2018.MethodologyRetrospective analysis of 496 episodes of acute pancreatitis managed in 405 patients was done. Data for demographic features and clinical outcomes were analysed. In patients with recurrent admissions, only index admission was considered for analysis. Complicated acute pancreatitis was defined by using the revised Atlanta classification and included all the acute pancreatitis patients with local and or systemic complications.    Results: The frequency of CAP was 21.7% (88/405). The mean patients' age was 62.11 ± 17.90 years. The intensive therapy unit (ITU) admission rate was 33% (n = 29), whereas the overall intervention rate was 43.2% (n = 38). The in-hospital mortality rate was 10.2% (n = 9), and the overall mortality rate was 14.8% (n = 13). A comparative analysis of clinical outcomes according to the revised Atlanta classification showed that the rate of complications, need for ITU admission, duration of hospital stay, in-hospital mortality and overall mortality were significantly higher in patients with moderately severe AP (MSAP) and severe AP (SAP).ConclusionThe rate of progression from mild AP to MSAP and SAP remains high. Patients with CAP are at higher risk of ITU admission, prolonged hospital stay, in-hospital mortality and overall mortality. To improve clinical outcomes, the progression of AP to severer forms should be prevented by developing newer strategies, and in cases where complications have already developed, the mortality rate needs to be improved by developing innovative treatment modalities.Key WordsAcute pancreatitis, Complicated acute pancreatitis, Revised Atlanta classification, Morbidity, Mortality, Survival analysis, Hub and spoke model.

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