脑分水岭梗塞的临床诊断

摘要

Cerebral watershed infarction(CWI) is ischemia between the larger nearly blood-supplying areas of blood vessel(ie. localized ischemia of marginal bone),which appears corresponding nerve dysfunction.CWI is caused by systemic hypotension,carotid stemosis or occlusion,microembolisn.There are three type of WEI,ie. pre-cortex type,infracortex type,and cerebellum.The diagnosis of CWI mainly depends on CT,MRI and clinical featrues,but should search for the cause of the disease.%脑分水岭梗塞(CWI)是指脑内相邻的较大血管供血区之间即边缘带局限性缺血，出现相应的神经功能障碍。引起CWI病因有全身低血压，颈动脉狭窄或闭塞，微栓塞。临床类型有皮质前型、皮质后型、皮层下型和小脑分水岭梗塞。CWI诊断主要依靠CT或MRI及临床，还应积极寻找病因。