CT脑灌注成像技术随着现代多排螺旋CT的出现及相关软件的开发,在西方发达国家已常规用于急性脑卒中患者的早期筛选,并用来鉴别梗死灶和缺血半暗带。同时CT脑灌注成像技术还用来判断蛛网膜下腔出血后是否存在脑血管痉挛,以及评价颈动脉狭窄后血管的储备情况。另外,CT脑灌注成像技术还被用作评价脑外伤后的脑血流灌注情况和测量脑肿瘤表面血管的通透性。 CT perfusion imaging with the advent of modern multi-slice spiral CT and related software development, has been routinely used in Western countries for the early screening of acute stroke patients, and used to identify infarcts and ischemic penumbra. At the same time CT cerebral perfusion imaging technology is also used to determine whether there is cerebral vasospasm after subarachnoid hemorrhage, and evaluation of carotid artery stenosis blood vessels reserve. In addition, CT cerebral perfusion imaging was also used to assess brain perfusion after traumatic brain injury and to measure vascular permeability on brain tumors.