目的应用SPECT脑显像定量测定癫痫局部脑血流量的变化，旨在评价其在致痫灶定位诊断中的意义。
Objective To evaluate the value of brain SPECT imaging for the decrease of regional cerebral blood flow (rCBF) and localization of epileptic foci.
主要观察指标：测定创伤后相应时间点大鼠脑组织局部脑皮质血流速度。
MAIN OUTCOME MEASURES: It was to determine the blood flow rates in local cerebral cortex at corresponding time spots after traumatic injury.
方法：经颅多普勒超声测定血流速度，同步记录血压，改变血压，绘制脑血流自动调节曲线，并进行分类和确定自动调节的上、下限。
METHODS: The blood velocities and blood pressure was recorded simultaneously and the curves of CBFA were analyzed and classified into classical and non-classical pattern.
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