中耳根治手術と聴力変動に関する研究

概要

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Clinical observations were made on 112 cases of supprative middle ear infection for which were operated by radical mastoidectomy had been performed. The air and bone conduction audiometry was done before and after the operation. The changes of hearing by radical mastoidectomy was mainly depend on the postoperative condition of the round and oval windows, and the preoperative impedance matching of the sound transmitting apparatus which were influencedby the pathological changes of the tympanic membrane and the other middle ear apparatus.
社団法人日本耳鼻咽喉科学会の論文