To assess the protective effect of selenium on RBC rheology in cardiac ischemia/reperfusion,in two groups of patients with VSD or ASD(in selenium group,each patient was orally administrated selenium 400μg perday for 5 to 12 days preopen heart surgery,in control group,each one was without selenium treatment) who were undergoing cardiopulmonary bypass,blood samples were taken from the coronary sinus,and ascorbyl free radical (A·),peroxidants(MDA),antiperoxidative activities (plasma SOD,erythrocyte GSHPx),...
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