Results Following brain injury, the content of Evans blue in direct and indirect percussion sides peaked at 4 hours, the percentage of brain water content was significantly increased at the same time. Among 4 days post injury the neurological function was obviously insulted. 结果大鼠脑损伤后4小时,直接冲击侧以及对侧脑EB含量达高峰,冲击侧脑组织百分水含量在伤后4小时明显增加,伤后4天内出现明显的神经功能障碍;