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.
测定血管运动反应性(VMR)观察脑血管储备能力及SPECT观察脑局部血流灌注的情况。
Vascular motor reactivity (VMR) was used for investigating the cerebrovascular reserve capacity and SPECT was used for investigating he region cerebral blood flow (rCBF).
应用彩色经颅多普勒测定脑血流量，并进行统计学分析。
We measure the velocity of blood flow of the brain on adopting transcranial Color Doppler(TCD), then process statistical analysis.
结论按照CCP理论测定脑血流自动调节下限和微动脉的阻力，可以准确、快捷地反映脑血流动力学的生理状态和病理改变。
Conclusions the physiology and pathology of cerebral blood flow can be evaluated conveniently and accurately by assessment of the lower limit of autoregulation and arterioles resistance with CCP.
结论按照CCP理论测定脑血流自动调节下限和微动脉的阻力，可以准确、快捷地反映脑血流动力学的生理状态和病理改变。
Conclusions the physiology and pathology of cerebral blood flow can be evaluated conveniently and accurately by assessment of the lower limit of autoregulation and arterioles resistance with CCP.
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