不同原因引起的持续或频繁发作的、致残的迷路症状(平衡失调、眩晕等),且患侧已无实用听力时,如内科疗法无效,可考虑经乳突行迷路切除术。但必须先做全面的耳科和神经科检查、血化验及颞骨X线片检查,以除外梅毒、甲状腺功能低下、糖尿病及听神经瘤。如双侧难听,尤其伴双侧前庭功能减退,则应对术后听力及平衡功能作充分估计,是否手术,必须慎重考虑;如决定手术,应做那一侧,亦须慎重考虑。如健侧前庭功能减退或丧失,此手术将引起患侧前庭功能丧失,不可不慎。手术方法:仰卧位,头转向健侧,使患耳在上。全麻加局麻。耳后切口。单纯乳突凿开,去 Continuous or frequent seizures or disabling labyrinth symptoms (imbalancedness, dizziness, etc.) caused by different causes, and the affected side has no practical hearing, if the medical treatment is ineffective, labyrinthine labyngectomy may be considered. But you must first do a comprehensive otology and neurology examination, blood tests and temporal bone X-ray examination to exclude syphilis, hypothyroidism, diabetes and acoustic neuroma. Such as bilateral unpleasant, especially with bilateral vestibular dysfunction, the postoperative hearing and balance should be fully assessed whether the operation must be carefully considered; such as the decision to surgery, which side should also be carefully considered. Such as contralateral vestibular function decline or loss, this operation will cause ipsilateral vestibular function loss, can not be careless. Surgical methods: supine position, the head turned to the contralateral, so that suffering from the ear. General anesthesia plus local anesthesia. Ear cutting. Simple mastoid hewn, go