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  • Brain research · Jul 2012

    The pathophysiological time window study of performing minimally invasive procedures for the intracerebral hematoma evacuation in rabbit.

    • Guofeng Wu, Fei Sheng, Likun Wang, and Fan Wang.
    • Department of Neurology, Affiliated Hospital, Guiyang Medical College, No. 28, Guiyijie Road, Liuguangmen, Guiyang City, Guizhou Province 550004, PR China. wuguofeng3013@sina.com
    • Brain Res. 2012 Jul 17; 1465: 57-65.

    AbstractThe objective of this study was to observe the pathophysiological time window of performing minimally invasive procedures for the intracerebral hematoma evacuation. Thirty-six rabbits were randomly placed in either a normal control group (NC group, 6 rabbits), a model control group (MC group, 6 rabbits) or a minimally invasive group (MI group, 24 rabbits). A model of intracerebral hemorrhage (ICH) was established in the MC and MI groups. In the MI group, the intracerebral hematoma was evacuated by stereotactic minimally invasive procedures over 6h (6 rabbits), 12h (6 rabbits), 18 h (6 rabbits) and 24h (6 rabbits), following successful induction of ICH. All of the animals in each group were sacrificed 48 h after the successful induction of ICH. Perihematomal brain tissues were removed to determine the glutamate level, BBB permeability and brain water content (BWC). The perihematomal glutamate level, BBB permeability and the BWC in the MI group were significantly decreased compared with those of the MC group. Performing minimally invasive procedures for evacuation of ICH in 6h showed the most remarkable decrease of the glutamate level, BBB permeability and BWC, followed by a significant difference observed at 12h within the MI subgroups. Performing minimally invasive procedures in early stages after ICH for the hematoma evacuation could decrease the perihematomal glutamate level, BBB permeability and BWC significantly. The pathophysiological time window of minimally invasive procedures for hematoma evacuation might be 6-12h after hemorrhage.Copyright © 2012 Elsevier B.V. All rights reserved.

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