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本文介绍给32例美尼尔氏病患者采用内淋巴囊分流术的治疗效果。手术步骤:全麻下耳后切口,用高速电钻施行单纯乳突凿开,保留修薄的外耳道后壁,刮平中、后颅窝骨板,使水平、后半规管、窦脑角充分暴露,乙状窦的位置若靠前,暴露有困难时则用大的钻石钻头将乙状窦乳突面骨质磨去,这样在手术过程中乙状窦就可以用骨蜡将其压瘪。内淋巴囊的位置若极靠前下接近颈静脉球,则常常位于后半规管下缘,在面神经管乳突段的内侧,只要熟知面神经的解剖即可迅速暴露内淋巴囊。
This article describes the treatment of 32 patients with Meniere’s disease using endolymphatic sac shunt. Surgical procedures: Anesthesia under the ear incision, high-speed electric drill to perform a simple mastoid henchmen, keep the thinning of the posterior wall of the external auditory meatus, scraping the middle and posterior fossa bone plate, the level of the semicircular canal, fully exposed sinusoids, If the position of the sigmoid sinus in front, when the exposure is difficult with a large diamond drill to the sigmoid sinus callus bone worn away, so during surgery sigmoid sinus bone wax can be used to deflate. If the location of the endolymphatic sac is extremely close to the jugular bulb, it is often located at the lower edge of the posterior semicircular canal. In the medial side of the facial papillary dura mater, the endolymphatic sac can be rapidly exposed as long as the anatomy of the facial nerve is known.