由于逐年增长的发病率和居高不下的病死率,颅脑损伤尤其是重型脑伤,始终是神经外科学界研究的重点和难点[1]。颅脑损伤的研究涉及病情轻重的判定和预后评价,随着循证医学的发展和个体化治疗的要求,选择简便、客观、准确的评价指标尤为重要。另外,在临床工作中发现,颅脑外伤后可 Due to the increasing annual morbidity and high mortality, craniocerebral injury, especially severe brain injury, has always been the focus and difficulty of the neurosurgical field [1]. The study of craniocerebral injury involves the judgment of the severity and prognosis. With the development of evidence-based medicine and the requirements of individualized treatment, it is particularly important to select simple, objective and accurate evaluation indexes. In addition, found in clinical work, after traumatic brain injury can be