The purposes of this study are as follows:
- to collect the largest epidemiological data of skull base trauma and analyze the related influence factors of mortality and morbidity.
- to establish a set of standard classification methods of skull base trauma and to establish a standard rating scale for each type of trauma.
- to select optimized conservative and surgical treatments of skull base trauma and to compare the therapeutic effect between microscope surgery and neuroendoscopic surgery.
- to clear the epidemiological characteristics of the skull base trauma combined with paroxysmal sympathetic hyperactivity.