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耳道——耳蜗进路第八神经切断术当听力已降到非实用水平,眩晕顽固存在,同时耳鸣严重使患者烦恼困扰不已,可施行耳道——耳蜗进路第八神经切断木。尤其是对不完全性迷路破坏术(卵圆窗迷路切开术,水平半规管迷路切除术)后,眩晕耳鸣仍持续存在的更适用。对比乳突-迷路进路耳蜗前庭神经切除术,本手术比较省时,术野小,脑脊液漏预防措施比较简单,也能探查内听道除外听神经瘤。
Ear canal - Cochlear approach eighth nerve cut off when the hearing has dropped to non-functional level, dizziness stubborn existence, while serious tinnitus troubled patients endless trouble, the implementation of the ear canal - cochlear implant the eighth nerve cut off the wood. Especially for incomplete labyrinthomy (fistular labyrinthomy, horizontal semicircular canal labyctomy), dizziness and tinnitus persist even more applicable. Contrast mastoid - lost into the cochlear vestibular approach, the surgery is more time-saving, small operative field, cerebrospinal fluid leakage prevention is relatively simple, but also to explore the auditory nerve excision within the auditory canal.