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对35例(男19例,女16例,平均年龄62.9±9.3岁)急性缺血性脑卒中(AICA)患者进行前瞻性研究,探讨脑电活动地形图(BEAM)、计算机断层扫描(CT)对AICA认知功能预后的评估价值。所有患者在急性期作BEAM、CT检查,并应用精神状态速检表、长谷川简易智能量表、卒中患者智能状态量表对患者认知功能作六个月的动态随访。结果表明:相对功率谱、相对功率谱比值、病灶个数、病灶部位均是评估AICA认知预后的较好指标,而病灶大小的价值不大。逐步多元回归分析表明,评估认知预后的指标依次是δ/α、α1、基底节病灶、颞叶病灶、病灶个数,表明BEAM较CT更为敏感。
A prospective study of 35 patients (19 males and 16 females with an average age of 62.9 ± 9.3 years) with acute ischemic stroke (AICA) was conducted prospectively to investigate the association between BEAM and computed tomography Evaluation of the prognosis of AICA cognitive function by scanning (CT). All patients underwent BEAM and CT examinations during the acute phase. The patients’ cognitive functions were dynamically followed up for 6 months by Mental State Quick Checklist, Hasegawa Simple Intelligence Scale, and Stroke Patient Intelligence State Scale. The results showed that the relative power spectrum, the relative power spectrum ratio, the number of lesions and the lesion site were all good indexes to evaluate the cognitive prognosis of AICA, but the value of lesion size was not significant. The stepwise multivariate regression analysis showed that the indicators evaluating the prognosis were δ / α, α1, basal ganglia lesions, temporal lobe lesions and the number of lesions, indicating that BEAM is more sensitive than CT.