一、脑死亡的历史背景19世纪中对死亡的医学和病理生理学的描述发生了巨大的变化,人们的注意力从对心脏的功能状态的评价转移到了脑。186 6年,Leyden成功地测出颅内压水平并描述了颅高压的临床表现,他的动物实验显示延髓呼吸中枢功能丧失是死亡的原因,得出结论“单纯颅高压不可 I. Historical Background of Brain Death The dramatic changes in the medical and pathophysiology of death in the nineteenth century have led to a shift in attention from the assessment of the functional state of the heart to the brain. 186 years, Leyden successfully measured intracranial pressure level and described the clinical manifestations of intracranial hypertension, his animal experiments showed that the loss of medullary respiratory center is the cause of death, concluded that "simple cranial hypertension can not