Abstract
The primary purpose of this study was to investigate the potential role of transient-evoked Otoacoustic emissions (TEOAEs) beyond screening for hearing impairment in different middle/inner ear disorders in 3-65years age group. Because TEOAEs are present in ears with normal cochlear and middle ear function and typically are absent or reduced in ears with cochlear and/or middle ear disorders of even mild degree. This was a prospective study of four hundred cases. Out of these 364 cases were having problems related to otology and 36 were healthy volunteers who attended the department of otorhinolaryngology of our institute. All the cases were kept in different eight groups and then subjected to Otoacoustic emission testing with the 'GSI AUDIO screener' equipment installed in our ENT department. The data obtained in all groups were analyzed and conclusion was made. TEOAEs is a reliable, simple and cost effective screening technique for hearing disorders with sensitivity varying from 72 to 96.42% among the study groups and 88% in composite group comprising all study groups.
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