急性脑梗死的发病率及致残致死率高 ,给社会、家庭和个人带来极大的负担和痛苦 ,如何在脑梗死发生的病理生理阶段超早期诊断 ,确定缺血半暗带 ,从而针对每一个病人的具体情况在有效的时间窗内积极溶栓治疗 ,早期遏制病变发展、逆转损害的神经功能 ,一直是神经科学工作者们努力 The incidence of acute cerebral infarction and the high rate of disability caused great burden on society, families and individuals and suffering, how to diagnose the pathophysiology of cerebral infarction in early stage, to determine the ischemic penumbra, thus targeting The specific circumstances of each patient in the effective window of time positive thrombolytic therapy, early to curb the development of lesions, reversal of damage to nerve function, neuroscientists have been hard work