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慢性化脓性中耳炎患者鼓室成形术时,不应开放外淋巴腔,以防感染引起重度耳聋。本文作者对此种病例分二期手术,第一期手术修补鼓膜及鼓室气腔形成,然后再切除镫骨,做听骨小柱成形术。从1980年开始分三期手术,第二期手术切除固定的镫骨,前庭窗用凝血块充填,经过1.5～2个月后再行第三期手术,在卵圆窗与鼓膜间放置自体软骨小柱。
In patients with chronic suppurative otitis media tympanoplasty, the perilymph cavity should not be opened to prevent severe deafness caused by infection. The author of this case divided into two phases of surgery, the first phase of surgery to repair the tympanic membrane and tympanic cavity formation, and then resection of the stapes, do otolithicoplasty. Beginning in 1980, the surgery was divided into three phases. The second stage of surgery was performed to remove the fixed tarsal bone. The vestibular window was filled with clot. After 1.5 to 2 months, the third stage operation was performed. Autologous cartilage was placed between the oval window and the tympanic membrane Small column.