Journal
SHOCK
Volume 25, Issue 2, Pages 190-203Publisher
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1097/01.shk.0000192122.91166.a8
Keywords
acute pancreatitis; NSAIDs; NO-NSAIDs; NO donors; NO-flurbiprofen
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Microcirculatory disturbances and leukocyte activation are main events in the pathogenesis of acute pancreatitis (AP) that is characterized by inflammatory up-regulation. Nitric oxide-donating nonsteroidal anti-inflammatory drugs (NO-NSAIDs) regulate vascular function and mitigate inflammation. To investigate the influence of NO-NSAIDs on AP. AP was induced by the biliopancreatic duct outlet exclusion-closed duodenal loops model. Treatment with NO-flurbiprofen, NO-ibuprofen, NO-aspirin, or their parental drugs was done (i) 1 h before, (ii) 1 h after, (iii) 1 h before and 4 h after, or (iv) 4 h after surgery. The degree of severity was evaluated using biochemical and histopathological analyses. NO-NSAIDs given before and during the first hour of the noxia decreased blood levels of amylase, lipase, C-reactive protein, IL-6, IL-10, heat shock protein 72, prostaglandin E-2 inactive metabolite, and 8-isoprostane, as well as pancreatic and lung myeloperoxidase and cyclooxygenase. Acinar and fat necrosis, hemorrhage, and leukocyte infiltrate were also reduced. The best protection was achieved when treatment was performed 1 h before and 4 h after triggering AP. NO-flurbiprofen was the most effective drug. AP severity was significantly ameliorated by NO-NSAIDs being the administration time essential to achieve optimal pancreatic protection that may result to be useful in the prevention of postendoscopic severe AP.
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