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  • Title: Statin pretreatment in experimental acute pancreatitis.
    Author: Almeida JL, Sampietre SN, Mendonça Coelho AM, Trindade Molan NA, Machado MC, Monteiro da Cunha JE, Jukemura J.
    Journal: JOP; 2008 Jul 10; 9(4):431-9. PubMed ID: 18648134.
    Abstract:
    CONTEXT: Some authors have found beneficial effect of statins in certain inflammatory conditions, but the effect of statins on acute pancreatitis is not yet defined. OBJECTIVE: The aim of this study was to evaluate the effect of simvastatin on an experimental model of mild and severe acute pancreatitis. ANIMALS: One hundred and one Wistar rats with cerulein or taurocholate-induced acute pancreatitis were used in this study. DESIGN: The rats were divided into two groups: Group I (n=51) received two previously i.p. injections (18+/-2 and 3+/-1 hours) of simvastatin (200 microg/kg) and Group II (n=50) received two previously i.p. injections of saline. Both groups were subdivided into two subgroups: mild pancreatitis (cerulein-induced; IA, n=10; IIA, n=10) and severe pancreatitis (taurocholate-induced; IB, n=41; IIB, n=40). MAIN OUTCOME MEASURES: The parameters evaluated were: pancreatic vascular permeability, tissue water content, histologic lesion, amylase serum levels in rats with mild pancreatitis (subgroups A); mortality rate, serum levels of IL-6, IL-10, amylase, pulmonary myeloperoxidase activity and ascitic levels of TNF-alpha in rats with severe pancreatitis (subgroups B). RESULTS: Serum levels of IL-10 were significantly lower in the simvastatin-treated group as well as the myeloperoxidase activity. There was no significant difference in any of other studied parameters. CONCLUSION: Simvastatin appears to reduce inflammatory cytokines and pulmonary neutrophilic activation in the severe acute pancreatitis model, but there is no significant effect on survival curve, in spite of a clear trend towards a better survival in the simvastatin group.
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