Otoacoustic emissions as a screening test for hearing impairment in children

Transient evoked otoacoustic emissions (TEOAEs) are low amplitude sound waves produced by the healthy cochlea. They can be recorded with a microphone in the external ear. TEOAEs are abolished by hearing losses of 30 dB or more. The feasibility of using TEOAEs as a screening test for hearing loss in...

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Bibliographic Details
Published in:Archives of disease in childhood 1995-04, Vol.72 (4), p.294-297
Main Authors: Richardson, M P, Williamson, T J, Lenton, S W, Tarlow, M J, Rudd, P T
Format: Article
Language:English
Subjects:
Adolescent
Auditory system
Auditory Tests
Biological and medical sciences
Child
Child, Preschool
Children
Cochlea
Ear, auditive nerve, cochleovestibular tract, facial nerve: diseases, semeiology
Ears & hearing
Emissions
Feasibility Studies
Hearing Disorders - diagnosis
Hearing Disorders - physiopathology
Hearing loss
Hearing Tests - methods
Humans
Infant
Medical sciences
Non tumoral diseases
Otoacoustic emissions
Otoacoustic Emissions, Spontaneous
Otorhinolaryngology. Stomatology
Pediatrics
Predictive Value of Tests
Screening Tests
Sensitivity and Specificity
Sound waves
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Summary:Transient evoked otoacoustic emissions (TEOAEs) are low amplitude sound waves produced by the healthy cochlea. They can be recorded with a microphone in the external ear. TEOAEs are abolished by hearing losses of 30 dB or more. The feasibility of using TEOAEs as a screening test for hearing loss in children was studied. TEOAE recordings were attempted in 56 children attending an audiology clinic. Recordings were possible from both ears in 52 children; of these 104 ears, 32 had hearing deficits of 30 dB or more. Hearing status was compared with the results of six TEOAE screening criteria. All criteria had a sensitivity of 1.00. Four standard TEOAE criteria yielded specificities of 0.46-0.58. Two new criteria derived from analysis of limited frequencies from the TEOAE waveform gave specificities of 0.76 and 0.82. It can be concluded that, when appropriate pass/fail criteria are employed, TEOAEs are a feasible screening test in children.
ISSN:0003-9888
1468-2044
DOI:10.1136/adc.72.4.294