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对19例半面痉挛患者进行了椎动脉造影,并与突发性耳聋和小脑角肿瘤的患者进行了对照研究。结果发现,半面痉挛与对照组的椎动脉患侧与健侧直径比,于椎动脉第3区(第一颈椎至硬脑膜内)及第4区(硬脑膜至基底动脉起始部)无明显差别。说明患侧与健侧的椎动脉直径无明显差别。半面痉挛患侧第4区椎动脉屈曲的平均角度,明显锐于对照组,为74.6°±26.6°及122.8°±25.1°;而健侧椎动脉角度与对照组则无显著差别。另于4例半
Vertebral artery angiography was performed in 19 patients with hemifacial spasm and compared with patients with sudden deafness and cerebellar angle tumors. The results showed that the hemifacial spasm and control group, the ipsilateral and contralateral diameter of the vertebral artery in the vertebral artery in the third area (the first cervical vertebra to the dura) and the fourth area (dura to the basilar artery at the beginning) no significant difference. Description of ipsilateral and contralateral vertebral artery diameter no significant difference. The average angle of flexion of the fourth vertebral artery in the ipsilateral hemifacial spasm was significantly lower than that in the control group, 74.6 ° ± 26.6 ° and 122.8 ° ± 25.1 °, while there was no significant difference between the contralateral vertebral artery angle and the control group. The other half in 4 cases