经迷路彻底切除第八颅神经是治疗前庭性眩晕的最佳方法。对伴有严重听力障碍有眩晕患者,可建议对其患耳施行该术。术中,术者可在直视下切除全部神经上皮,并能切除前庭神经的节前纤维,消除患耳前庭功能,失败率低。多数耳蜗神经可予以分离,适应症系晚期梅尼埃病。全麻下行乳突切除术,暴露鼓窦,确定外半规管。将脑膜板、乙状窦轮廓化。于窦膜角内,沿着岩上窦清除迷路上气房。用切割钻头,由上而下切除迷路。首先打开外半规管,确定上、后半规管的总脚,继之切除上半规管,但保留其壶腹部,作为确定上前庭神 The complete removal of the cranial nerves through the lost is the best way to treat vestibular vertigo. In patients with vertigo associated with severe hearing impairment, it may be advisable to perform the operation on the affected ear. During surgery, the surgeon can remove all the nerve epithelium under direct vision, and can cut off the preganglionic fibers of the vestibular nerve to eliminate the affected ear vestibular function, the failure rate is low. Most cochlear nerve can be separated, indications late Meniere’s disease. Mammary gastrectomy under general anesthesia, exposing the drum sinus, to determine the outer semicircular canal. The brain membrane, sigmoid sinus outline. In the sinus membrane angle, along the petrous sinus clear the lost air room. Cut the drill bit and cut it from top to bottom. First open the outer semicircular canal, determine the upper and lower semicircular canal total feet, followed by resection of the upper semicircular canal, but retain its ampulla, as determined on the courtroom