Watanabe Y, Ohi H, Shojaku H, Mizukoshi K
Department of Otolaryngology, Toyama Medical and Pharmaceutical University, Japan.
Am J Otol. 1994 May;15(3):423-6.
Two cases are presented of sudden deafness with vertigo and/or dizziness, a 19-year-old male and a 54-year-old female. Their onset condition was considered to be caused by vascular disorders in the area of the vertebrobasilar artery, but they showed no signs of the central nervous system disorders. Case 1 suffered right sudden deafness just after a super selective embolization for the peripheral area of the right vertebral artery, and case 2, just after the accidental cutting of the left vertebral artery during the procedure of neurovascular decompression surgery. The neurotologic findings in these cases were almost the same and the common characteristics were (1) irreversible total deafness of the affected ear, (2) canal paresis in caloric test, (3) retrolabyrinthine disorder of the vestibular system detected by the galvanic test, and (4) no obvious findings of central nervous system disorders, such as eye movement disorder or ataxy. These findings indicate that the sudden deafness was attributable to localized embolism in the inner ear artery caused by thrombosis in the area of the vertebrobasilar artery.
本文报告了两例突发性耳聋伴眩晕和/或头晕的病例，一例为19岁男性，另一例为54岁女性。其发病情况被认为是由椎基底动脉区域的血管病变引起的，但未表现出中枢神经系统疾病的迹象。病例1在对右椎动脉外周区域进行超选择性栓塞后不久出现右耳突发性耳聋，病例2在神经血管减压手术过程中意外切断左椎动脉后不久出现耳聋。这些病例的神经耳科学表现几乎相同，共同特征为：（1）患耳不可逆性全聋；（2）冷热试验显示管轻瘫；（3）直流电试验检测到前庭系统迷路后功能障碍；（4）无明显的中枢神经系统疾病表现，如眼球运动障碍或共济失调。这些发现表明，突发性耳聋归因于椎基底动脉区域血栓形成导致内耳动脉局部栓塞。
