1992•Practica Oto-Rhino-LaryngologicaOpen access

Results of Stapes Surgery, 1980-1990.

Hiromi Naramura, Takeshi Kubo, Takayuki Shiraishi, Toru Matsunaga, Hideyo Asai

Abstract

Fifty five stapes operations performed during the past 11 years were studied. The average air conduction level of 0.5-2kHz was 58.5dBHL pre-operatively. This was improved to 31.6dBHL in audiograms recorded 3-6 months after operation. During the first 5 years of this survey, stapedectomy (SDE) was performed in 76.0% of the patients. Stapedotomy (STO) was more frequently done during the next 6 years (53.3%). A comparison of the two operations showed that hearing was better at all frequencies (0.125-8kHz) after STO than after SDE. The difference was greatest at 8kHz. It was confirmed that STO resulted in better hearing than SDE in patients with otosclerosis.

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Key concepts: Stapedectomy, Audiogram, Otosclerosis, Stapes surgery, Stapes, Medicine, Audiometry, Audiology