Department;
of;
Bone;
and;
Joint;
Surgery,;
First;
Hospital;
of;
Jilin;
University,;
Changchun;
130021,;
China;
Institute;
of;
Medical;
Equipment,;
Military;
Medical;
Science;
Academy;
of;
PLA,;
Tianjin;
300161,;
China;
并发症; 患者; 手术; 颅脑损伤; 内压监测; 时间; 骨折; 老年;