Revista de Investigacion Clinica 1990-Jul
Brain edema in acute liver failure. Insight from experimental studies.
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Brain edema is a leading cause of death in fulminant hepatic failure (FHP). Animal studies are needed to gain further insight into its pathogenesis. The authors describe and analyze the results of brain studies in two animal models of FHF, the rabbit with galactosamine induced hepatitis and the anhepatic model of liver desvascularization. A gravimetric technique is used to determine water content in brain samples as small as 10 mg in weight. Results showed that water content is increased and correlates with the severity of encephalopathy in both experimental models of encephalopathy. The possible pathogenic role of ammonia and octanoic acid are discussed.