随着血栓溶解疗法的出现,脑梗塞急性期的诊疗形式有了很大变化。在美国,如头CT检查未发现脑实质的早期CT像,但又满足各项适应标准、除外标准的发病3小时内的脑梗塞,可给予t-PA治疗。最近,随着弥散加权MRI的出现,日本提出如弥散加权影像描绘出广泛的缺血病灶,则不适宜应用溶栓疗 With the advent of thrombolytic therapy, the modality of diagnosis and treatment of acute stage of cerebral infarction has undergone great changes. In the United States, for example, CT scans of the brain do not reveal early CT images of the brain but meet various accommodation criteria, except for a standard infarction within 3 hours of onset of disease and t-PA therapy. Recently, with the advent of diffusion-weighted MRI, Japan proposed diffusion-weighted imaging such as extensive delineation of ischemic lesions, it is not appropriate to use thrombolytic therapy