甘油能使脑组织迅速脱水,而没有溶血以及电解质纹乱等副作用,也无反跳现象。当给予足够的液体和电解质时甘油可长期地有效地应用,口服甘油无毒性,能通过血脑屏障的量极少,大剂量不稀释时可产生恶心和呕吐。昏迷病人长期用甘油作中枢神经系统的脱水剂以往曾有过少数报告,我们对一例病毒性脑膜脑炎昏迷患者用甘油控制颅内压增高达三星期之久。用量为50％盐水甘油70cc,每6小时一次,鼻饲。虽 Glycerol can quickly dehydrate brain tissue, without hemolysis and electrolyte side effects such as chaos, there is no rebound phenomenon. Glycerol can be used effectively over a long period of time when given sufficient fluids and electrolytes. Oral glycerine is nontoxic and can pass through the blood-brain barrier in very small quantities. Nausea and vomiting can occur when large doses are undiluted. Long-term use of glycerin as central nervous system dehydration agent in the past there have been few reports, we have a case of viral meningitis coma patients with glycerol control of intracranial pressure increased for three weeks. Amount of 50% saline, glycerin 70cc, once every 6 hours, nasal feeding. although