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Equine postanaesthetic myositis: a possible role for free radical generation and membrane lipoperoxidation
1Service de Chirurgie, Faculté de Médecine Vétérinaire, University of Liege, Belgium.
Abstract:
A method for the evaluation of total plasma antihydroxyl and antiperferryl activity is described. This method was applied to horse plasma obtained during halothane anaesthesia. In horses suffering from postanaesthetic myositis, a significant decrease in the antiperferryl activity was observed during anaesthesia particularly when the muscular compression produced by the weight of the horse was released. In the affected muscles, strong oxidants could therefore be generated during the reperfusion of the ischaemic muscles and might initiate membrane lipid peroxidation. This phenomenon could possibly explain the muscular damage observed in equine postanaesthetic myositis.