CLINICIANS have long been concerned about the possible adverse effect of prolonged use of powerful hearing aids upon the user's residual hearing.1 The analogy between the known effects of acoustic trauma2 and possible similar effects due to hearing-aid trauma is apparent. In this paper, the available literature will be reviewed and our own findings presented. The literature will be separated into two sections: those articles dealing with case reports and those dealing with experimental investigations of the phenomenon.
Review of Cases
The first report of this occurrence in literature in the English language was by Kinney.3 (The Russian literature contained two such reports in 1952 and 1953; however, translations of these could not be obtained.) In the course of a large-scale study investigating the etiology of hearing impairments in children, he noted in 16 children progressive hearing losses in the ear in which they used a hearing
Ross M, Lerman J. Hearing-Aid Usage and Its Effect Upon Residual Hearing: A Review of the Literature and an Investigation. Arch Otolaryngol. 1967;86(6):639–644. doi:10.1001/archotol.1967.00760050641007
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