DETECTION OF NOISE-INDUCED HEARING LOSS BY OTOACOUSTIC EMISSIONS

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BAYAT A.; MALEKI M.; AKBARI M.; SALEHI R.

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Paper Information

Journal: ARAK MEDICAL UNIVERSITY JOURNAL (AMUJ) Year:2004 | Volume:7 | Issue:1 (26) Page(s): 15-25

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Information Journal Paper

Title

DETECTION OF NOISE-INDUCED HEARING LOSS BY OTOACOUSTIC EMISSIONS

Author(s)

BAYAT A. | MALEKI M. | AKBARI M. | SALEHI R. | Issue Writer Certificate

Keywords

OTOACOUSTIC EMISSIONSQ4

DISTORTION PRODUCT OTOACOUSTIC EMISSIONSQ4

TRANSIENT OTOACOUSTIC EMISSIONSQ4

NOISE-INDUCED HEARING LOSSQ4

SPONTANEOUS OTOACOUSTIC EMISSIONSQ4

Abstract

Introduction: OTOACOUSTIC EMISSIONS (OAEs) are recognized as reliable tests reflecting outer hair cells activity. Thus, they are beneficial for assessing temporary cochlear function alternations following noise exposure.Materials and methods: In a clinical trial study 74 volunteeres, aged 18-25 were evaluated in a simple randomized sampling method. The pure tone audiometry and tympanometry findings were within normal limits in the test day. Initially, distortion-product OTOACOUSTIC EMISSIONS (DPOAEs), transient OTOACOUSTIC EMISSIONS (TEOAEs) and spontaneous OTOACOUSTIC EMISSIONS (SOAEs) were evaluated in both ears as a baseline. Then, these emissions were measured two minutes after a 5 minutes duration, 100dB SPL white noise again and the amplitudes of responses were compared before and after noise exposure. Results: In 34 subjects, SOAE peaks were absent or reduced following exposure. Interestingly, we found some new peaks in contralateral side after exposure. TEOAE amplitudes were significantly reduced after exposure in both sides. DPOAE amplitudes decreased significantly in 1685-6299 Hz region in ipsilateral side, but we found no significant differences in contralateral side. Non-significant DPOAE latencies were observed in both ears.Conclusion: It is concluded that OAEs are appropriate tools for detecting NOISE-INDUCED HEARING LOSS. Furthermore, TEOAEs appear to be more sensitive to noise damage and could be considered as a rapid screening test for susceptibility to NIHL before entering to noisy environments.

Cites

A COMPARISON BETWEEN NOISE-AND ACOUSTIC TRAUMA-INDUCED HEARING LOSS

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APA: Copy

BAYAT, A., MALEKI, M., AKBARI, M., & SALEHI, R.. (2004). DETECTION OF NOISE-INDUCED HEARING LOSS BY OTOACOUSTIC EMISSIONS. ARAK MEDICAL UNIVERSITY JOURNAL (AMUJ), 7(1 (26)), 15-25. SID. https://sid.ir/paper/69780/en

Vancouver: Copy

BAYAT A., MALEKI M., AKBARI M., SALEHI R.. DETECTION OF NOISE-INDUCED HEARING LOSS BY OTOACOUSTIC EMISSIONS. ARAK MEDICAL UNIVERSITY JOURNAL (AMUJ)[Internet]. 2004;7(1 (26)):15-25. Available from: https://sid.ir/paper/69780/en

IEEE: Copy

A. BAYAT, M. MALEKI, M. AKBARI, and R. SALEHI, “DETECTION OF NOISE-INDUCED HEARING LOSS BY OTOACOUSTIC EMISSIONS,” ARAK MEDICAL UNIVERSITY JOURNAL (AMUJ), vol. 7, no. 1 (26), pp. 15–25, 2004, [Online]. Available: https://sid.ir/paper/69780/en

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