Objective To investigate the significance of urine-plasma osmotic pressure ratio and urine-plasma sodium concentration ratio in diabetes insipiclus(DI) and cerebral salt wasting syndrome(CSW) in traumatic brain injury.

• 目的 通过前瞻性的临床研究 ,探讨尿 -血渗透压比值和尿 -血钠浓度比值监测对脑外伤后尿崩综合征 (DI)和脑盐耗综合征 (CSW )的意义。