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February 1967

Stapedectomy for Otosclerosis: Some Causes of Failure

Author Affiliations

Rochester. Minn
From the Section of Otolaryngology and Rhinology, Mayo Clinic and Mayo Foundation, Rochester, Minn.

Arch Otolaryngol. 1967;85(2):184-191. doi:10.1001/archotol.1967.00760040186010

SINCE SHEA1 described stapedectomy in 1958 for fixation of the footplate of the stapes by otosclerotic bone, this operation has resulted in the restoration of hearing to a socially adequate level (less than a 40 db threshold ISO), or in closure of the air-bone gap to within 10 db in a high percentage of patients. Despite this success, otologists have learned that stapedectomy is not without serious complications. Severe sensorineural hearing loss has occurred in as many as 2.66% of patients undergoing stapedectomy,2 and as many as 15% have a loss of speech discrimination of 6% or more and a loss in bone conduction of 10 db or more.3 In selected groups of patients, such as those with obliterative otosclerosis, the severe sensorineural hearing loss can be as high as 8.3%.4 The finding of a severe sensorineural hearing loss in 1.9% of the first 639 ears

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