脑水肿是由各种颅内病变或全身性疾病引起的脑组织细胞外或细胞内液体增多,脑体积和重量的增加。因各种感染导致的脑水肿是感染性疾病危重的并发症,所以对脑水肿早期诊断,合理治疗,对病人的预后十分关键。 Brain edema is caused by a variety of intracranial lesions or systemic diseases caused by extracellular or intracellular fluid in the brain increased, brain volume and weight increase. Brain edema caused by various infections is a critical complication of infectious diseases, so the early diagnosis and rational treatment of cerebral edema is very critical to the prognosis of patients.