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本术式于1932年分别由McKenzie和Dandy二人所首先创用。手术径路有二:经颅后窝在桥小脑角切断前庭支;经颞骨沿岩锥上面开放内耳道上壁后在手术显微镜下切断前庭支。作者们报导(?)神经外科学院于桥小脑角处行第Ⅷ神经前庭支颅内切断术治疗4例严重眩晕患者的经验。3例系因慢性化脓性中耳炎、胆脂瘤曾分别接受过多次(2~15次)中耳及内耳(包括2~3次迷路破坏术)手术、术后伴发桥小脑角蛛网膜炎及在第Ⅷ神经周围形成囊肿;1例系美尼尔氏病,经3次行内淋巴囊分流术、术后伴发颅后窝蛛网膜炎。上述4例虽经各种保守疗法及多次耳部手术,但剧烈的眩晕毫不缓解。全部患者均丧失劳动能力、患耳全聋(中耳炎例)或有
This technique was first used by McKenzie and Dandy in 1932. Surgical approach has two: the posterior fossa of the posterior fossa in the posterior fossa branch cut off the vestibular branch; the temporal bone along the rock cone above the opening of the inner ear canal wall under the surgical microscope to cut off the vestibular branch. The authors report (?) The experience of treating 4 patients with severe vertigo with Ⅷ nerve vestibular branch intracranial dissection at the bridging cerebellar angle at the College of Neurosurgery. 3 cases of chronic suppurative otitis media, cholesteatoma have been subjected to multiple (2 to 15 times) the middle ear and the inner ear (including 2 to 3 labyrinths) surgery, postoperative accompanied cerebellopontine angle arachnoiditis And in the Ⅷ nerve around the formation of cysts; 1 case of Meniere’s disease, after three lymphatic sac shunt, postoperative conjunctivitis with posterior fossa. Although the above 4 cases by a variety of conservative treatment and multiple ear surgery, but no severe vertigo relief. All patients were incapacitated, suffering from total deafness (otitis media cases) or have