• Acta Neurochir. Suppl. · Jan 2008

    Neurological deficits and brain edema after intracerebral hemorrhage in Mongolian gerbils.

    • T Kuroiwa, M Okauchi, Y Hua, T Schallert, R F Keep, and G Xi.
    • Clinical Laboratory, Namegata District General Hospital, Namegata, Ibaraki, Japan. tkuroiwa-nsu@umin.ac.jp
    • Acta Neurochir. Suppl. 2008 Jan 1;105:127-30.

    AbstractWe examined the time course of neurological deficits in gerbils after an intracerebral hemorrhage (ICH) induced by autologous blood infusion and examined its correlation with the severity of perihematomal edema. Mongolian gerbils (n = 15) were subjected to stereotaxic autologous blood infusion (30 or 60 microL) into the left caudate nucleus. Corner-turn and forelimb-placing tests were performed before, and 1 and 3 days after ICH. Perihematomal water content was measured by tissue gravimetry. Gerbils developed neurological deficits and perihematomal edema at day 1 after ICH. Both neurological deficits and perihematomal edema were significantly greater in animals with 60 microL blood infusion compared to the 30 microL infusion group, and both neurological deficits and edema were also greater at 3 days compared to 1 day after ICH. The severity of neurological deficits paralleled the degree of perihematomal edema. We conclude that the Mongolian gerbil is a suitable model for studies on the behavioral effects of ICH.

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