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Outcome of stapes surgery for otosclerosis.

Otosclerosis is an autosomal dominant disease affecting the otic capsule. It is believed to be rare in Asian countries including Malaysia. We analyzed the results of 29 patients (35 ears) who had undergone stapes surgery for suspected otosclerosis from January 1996 to June 2002. The demographic data was analyzed. The procedure most commonly performed was stapedotomy. The closure of air bone gap after surgery was good at 2 kHz and 4 kHz compared to frequency below 2 kHz. Closure of air bone gap to within 10 dB was achieved in 74.3%. About 7.5% of our patients did not gain in average air conduction. The outcome of the procedure is comparable to those reported by authors who used the same evaluation criteria. No serious complications occurred in our patients.