Abstract
About one out of five patients with acute pancreatitis develop necrotizing pancreatitis associated with organ dysfunctions and considerable mortality. Organ dysfunction-based severity classification and contrast-enhanced computed tomography (CT) few days after admission are used to determine and categorize the severity of the disease. Moderate fluid resuscitation monitoring the response, regular measurements of intra-abdominal pressure, and early enteral feeding are the cornerstones of the early phase of management. At our institution, a short course of prophylactic antibiotics is administered in patients requiring treatment in the intensive care unit.
In addition to organ failures, the major determinant of the outcome is the development of infected necrosis. The diagnosis is based on clinical deterioration and imaging, and CT-guided fine needle aspiration is no longer used in most institutions. The diagnosis can be confirmed and management started following a step-up strategy, which is initiated with percutaneous insertion of one or more catheters to the necrotic areas. If catheter drainage is ineffective, it is followed by some form of necrosectomy preferably postponed until 4 weeks from the onset of the disease.
Other complications, such as bleeding, abdominal compartment syndrome, colonic perforation, and gangrenous cholecystitis, can develop at any time and require prompt intervention. In severe biliary pancreatitis, cholecystectomy should be delayed until the inflammatory response resolves and clinical recovery occurs, but early endoscopic retrograde cholangiopancreatography is indicated in patients with cholangitis and/or common bile duct obstruction.
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Leppäniemi, A., Tolonen, M. (2023). New Trends in the Treatment of Severe Acute Pancreatitis. In: Aseni, P., Grande, A.M., Leppäniemi, A., Chiara, O. (eds) The High-risk Surgical Patient. Springer, Cham. https://doi.org/10.1007/978-3-031-17273-1_24
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