摘要目的证实全脑CT灌注测量缺血半暗带和梗死核心的作用并与有限扫描范围的CT灌注相比较。材料与方法本研究获得了机构伦理委员会的批准,并获得病人知情同意。研究对象为296例发生缺血性脑卒中6 h内行320层螺旋CT灌注成像的病人。首先,比较CT灌注获得的缺血体 Abstract Objective To confirm the effect of whole brain CT perfusion in the measurement of ischemic penumbra and infarct core and to compare with CT perfusion in limited scan range. Materials and Methods The study was approved by the Institutional Ethics Committee and informed of patients. The study included 296 patients who underwent 320-slice spiral CT perfusion imaging within 6 hours of ischemic stroke. First, compare ischemic bodies obtained with CT perfusion