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目的 明确经颅电刺激和磁刺激诱发的MEP在急性/亚急性浅表性及深在性幕上损害中的诊断价值。 资料与方法 共观察122例肿瘤和非肿瘤的脑外科患者,其中男性74例,女性48例,平均年龄67岁。所有患者损害部位的对侧上肢远端肌肉均有轻度偏瘫,偏瘫病程为1h～4周。损害在皮层和/或皮层下水平的为浅表损害组,共65人;损害在基底节和/或内囊的为深在性损害组,共57人。经颅电刺激运动皮层时阳极置于中央前回的下端,阴极置于前
Objective To clarify the diagnostic value of transcranial electrical stimulation and magnetic stimulation induced MEP in acute / subacute superficial and deep supratentorial lesions. Materials and Methods A total of 122 cases of tumor and non-tumor brain surgery patients were observed, including 74 males and 48 females, with an average age of 67 years. All patients with lesions on the contralateral side of the distal muscles have mild hemiplegia, hemiplegia course of 1h ~ 4 weeks. A total of 65 individuals were injured in the group of superficial lesions at the cortical and / or subcortical level, and 57 were those who were deeply involved in the basal ganglia and / or internal capsule. Transcranial electrical stimulation of the motor cortex anode placed in the lower anterior back, the cathode placed in front