脑缺氧与脑水肿都不是一个独立的疾病,而是很多原因都可引起的脑的一系列严重的病理生理过程。脑缺氧一般是指由于某种原因引起的全脑供血(供氧)不足或中断,可造成脑功能障碍及结构损害。脑水肿广义而言是指脑组织含水量异常地增加,从而导致脑体积增大。也有人认为脑水肿不是一个统一的概念,而又可分为脑水肿与脑肿胀:脑水肿(或血管源性脑水 Hypoxia and cerebral edema are not an independent disease, but a series of serious pathophysiological processes in the brain that can be caused by many reasons. Hypoxia generally refers to the brain due to some cause of cerebral blood supply (oxygen) insufficiency or interruption, can cause brain dysfunction and structural damage. In a broad sense, brain edema refers to an abnormal increase in water content of brain tissue, resulting in an increase in brain volume. Some people think that cerebral edema is not a unified concept, but can be divided into cerebral edema and brain swelling: cerebral edema (or vasogenic brain water