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Zinenko D.Yu., Beregovenko I.M. Hepatic mircocirculation and its role in development of pathological changes of the liver in experimental acute pancreatitis in rats.
Summary. The purpose of the current study was to define the role of the hepatic mircocirculation in development of patho-morphological changes of the liver after the damage of pancreas in different rat models of experimental acute pancreatitis. The variants of 2 models were used: 1) model with intraperitoneal injection of L-arginin in dosage 3 g/kg; 4 g/kg and 5 g/kg; 2) model with injection 50 mkl 1%, 2,5% and 5% solutions of sodium taurocholat into pancreatic duct. The hystologic re-search of pancreas and liver were carried out in 1, 4, 8, 12, 24, 48 and 72 hours after initiation of inflammation. The visible reaction of hepatic mircocirculation in the experimental models of acute pancreatitis was depended on character of patho-morphological changes in pancreas. This reaction demonstrated the phase character including: 1) activation of hepatic circu-lation, first of all in portal component, against a background of pancreatic enzyme toxemia; 2) development of inflammatory, dystrophic, destructive and necrotic changes in hepatic parenchyme together with mircocirculation disorders against a back-ground of pancreatic necrotic toxemia; 3) recovery and adaptation or decompensation processes in mircocirculation system of liver and hepatic parenchyme depending on the degree of pancreatogenic toxemia.
Key words: models of acute pancreatitis, rats, pancreas, liver, mircocirculation, histological structure.
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