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  • Title: Acute dichlorvos poisoning induces hemorheological abnormalities in rabbits via oxidative stress.
    Author: Zhang X, Yao W, Jia B, Sun D, Ka W, He D, Wang X, Wen Z.
    Journal: Clin Hemorheol Microcirc; 2010; 44(3):207-16. PubMed ID: 20364066.
    Abstract:
    Dichlorvos is an important insecticide used largely. Some studies have demonstrated that organophosphate pesticide has effects on erythrocyte membrane structures, which is critical to erythrocyte function and hemorheology. The aim of the present study was to explore the effect of oxidative stress on hemorheological changes during dichlorvos poisoning in rabbits. Data indicated that after dichlorvos exposure the hematocrit adjusted viscosity at high shear rate increased and erythrocyte membrane fluidity decreased. Data obtained from plasma showed that lipid peroxidative substance-malonaldehyde was elevated and superoxide dismutase was reduced. In summary, oxidative stress does occur in dichlorvos poisoning and may lead to hemorheological alterations. The changes of hemorheology may be responsible for the pathophysiology of the dichlorvos poisoning.
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