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50％半球卒中者患对侧小脑灌注不足,尤以额顶叶大梗塞和病损时多见。一侧小脑血肿或梗塞时,对侧大脑半球血流量明显减少。两种病变发生神经功能联系不能,最大可能性是由受损处至大脑小脑环的纤维束远端的功能丧失引起。但这一假说尚有争议。作者选择一组单侧脑干梗塞患者,应用SPECT观察单侧脑干梗塞患者的脑灌注情况,并将结果与病变部位及神经功能缺失相联系,以探索脑干不同部位病变时大脑和小脑血流变化的关系。
50% of hemispheric stroke patients contralateral cerebellar perfusion, especially in frontal lobe large infarction and lesions more common. Side of cerebellar hematoma or infarction, the contralateral cerebral hemisphere significantly reduced blood flow. Neuro-functional linkages between the two lesions were not possible, with the greatest probability being the loss of function distal to the bundle of fibers that impaired the cerebellar ring. However, this hypothesis is still controversial. The authors selected a group of patients with unilateral brainstem infarction, the application of SPECT observed cerebral perfusion in patients with unilateral brain stem infarction, and the results associated with lesions and neurological deficits in order to explore different parts of the brain stem and cerebrovascular disease lesions Flow changes the relationship.