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面肌痉挛患者的肌电图和磁共振血管成像研究 被引量:1

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摘要 目的:探讨面肌痉挛患者的肌电图(EMG)及磁共振血管成像(MRA)的变化。方法:对25例面肌痉挛患者进行EMG、运动诱发电位及神经末梢潜伏速率检测,其中10例行MRA检查。结果:25例面肌痉挛患者EMG检查全部出现自发性动作电位,患侧与健侧EMG、运动诱发电位及神经末梢传导速度比较,差异无统计学意义(P〉0.05);10例行MRA检查,6例发现动脉变异或异常。结论:面肌痉挛患者的面神经损伤不明显,颅内动脉异常或变异压迫面神经可能是导致面肌痉挛的主要原因。
出处 《临床神经电生理学杂志》 2009年第6期360-361,共2页 Journal of Clinical Electroneurophysiology
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