• Chin. J. Traumatol. · Jun 2010

    Effect of Xingnaojing injection on cerebral edema and blood-brain barrier in rats following traumatic brain injury.

    • Miao Xu, Wei Su, Qiu-ping Xu, and Wei-dong Huang.
    • Department of Critical Care Medicine, Sir Run Run Shaw Hospital, Medical College of Zhejiang University and Sir Run Run Shaw Institute of Clinical Medicine, Hangzhou, China. HZ6372@hotmail.com <HZ6372@hotmail.com>
    • Chin. J. Traumatol. 2010 Jun 1;13(3):158-62.

    ObjectiveTo explore the effects of Xingnaojing injection on cerebral edema and blood-brain barrier (BBB) in rats following traumatic brain injury (TBI).MethodsA total of 108 adult male Sprague-Dawley rats were used as subjects and randomly assigned to three groups: sham-operation, TBI and Xingnaojing injection groups (10 ml/kg/d, intraperitoneal injection). TBI in rats was set up by the improved device of Feeney's weight-dropping model with the impact of 600 g.cm. Brain water content and BBB permeability expressed as Evans blue content were measured at 1, 3, 5 and 7 days after surgery.ResultsIn sham-operation group, brain water content and Evans blue content in brain tissue were 78.97%+/-1.22% and 5.13 microgram+/-0.71 microgram. Following TBI, water content in brain tissue was increased significantly at 1, 3, 5 and 7 days (83.49%+/-0.54%, 82.74%+/-0.72%, 80.22%+/-0.68%, 79.21%+/-0.60%), being significantly higher than that in sham operation group (P less than 0.05). Evans blue content was increased in TBI group (16.54 microgram+/-0.60 microgram, 14.92 microgram+/-0.71 microgram, 12.44 microgram+/-0.92 microgram, 10.14 microgram+/-0.52 microgram) as compared with sham-operation group(P less than 0.05). After treatment with Xingnaojing injection, brain water content decreased as compared with TBI group (81.91%+/-1.04%, 80.38%+/-0.72%, 79.54%+/-0.58%, 78.60%+/-0.77%, P less than 0.05). Xingnaojing injection also reduced the leakage of BBB as compared with TBI group (15.11 microgram+/-0.63 microgram, 13.62 microgram+/-0.85 microgram, 10.06microgram+/-0.67 microgram, 9.54 microgram+/-0.41 microgram, P less than 0.05).ConclusionXingnaojing injection could alleviate cerebral edema following TBI via reducing permeability of BBB.

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