真珠腫性中耳炎に対するｏｐｅｎ法術後成績　特に術後聴力について

DOI 被引用文献1件 参考文献25件

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タイトル別名
  • Hearing Levels in Patients Following Open Method Surgery for Treatment of Cholesteatoma.
  • ―特に術後聴力について―

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Two cases of primary cholesteatoma and 35 cases of secondary cholesteatoma were treated surgically using the open method and attended regularly for a follow-up period of at least one-year. Residual cholesteatoma was observed in seven cases, six of which appeared on the epitympanum or in the mastoid cavity and were easily removed via the external ear canal. In one case however, the cholesteatoma existed in the tympanic cavity and the patient was awaiting surgical treatment. At the last follow-up examination, closure of the air-bone gap to within 20dB had been achieved in 46% of the ears with the open method. Hearing improvement exceeding 10dB was obtained in 22% of the patients whereas 19% of the patients showed impaired hearing exceeding 10dB at the last follow-up when compared with the preoperative status. The authors concluded that the open method is a useful approach to surgical treatment for cholesteatoma when follow-up therapy is performed regularly.

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