STUDY OF NOISE-INDUCED HEARING LOSS BY DISTORTION PRODUCT OTOACOUSTIC EMISSIONS

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MOUSSAVI NAJARKOLA S.A.; KHAVANIN A.; MIRZAEE R.; SALEHNIA M.; AKBARI M.; ASILIAN H.; SOLEIMANIAN A.

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Journal: JOURNAL OF BABOL UNIVERSITY OF MEDICAL SCIENCES (JBUMS) Year:2011 | Volume:13 | Issue:5 (62) Page(s): 34-43

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Title

STUDY OF NOISE-INDUCED HEARING LOSS BY DISTORTION PRODUCT OTOACOUSTIC EMISSIONS

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Keywords

NOISEQ3

HEARING LOSSQ2

DISTORTION PRODUCT OTOACOUSTIC EMISSIONSQ2

Abstract

BACKGROUND AND OBJECTIVE: NOISE-induced HEARING LOSS remains as the most common problem in industrial societies. This research was conducted to study NOISE-induced HEARING LOSS by distortion-product otoacoustic emissions (DPOAEs).METHODS: This study was carried out on 12 male New Zealand White rabbits including control (exposed to NOISE) and experimental (exposed to 95 dBA SPL white NOISE at 500-8000 Hz for 8 hours per day during 5 consecutive days). DPOAEs were measured and compared in days zero (before exposure as baseline), eighth (experimental: an hour after latest exposure to NOISE for Temporary Threshold Shifts: TTS), tenth (experimental: 48 hours after latest exposure to NOISE for Permanent Threshold Shifts: PTSs).FINDINGS: The most and the least values of TTSs, PTSs and DPOAEs amplitude in NOISE group were correspond to frequencies of 5888.50 Hz and 588.00 Hz, respectively (p<0.05). There was a significant difference between TTSs, PTSs and DPOAEs amplitude at different frequencies in right and left ear of NOISE group (p<0.05). This difference was related to frequency 5888.5 Hz in each of right and left ear of NOISE group compared to other frequencies in same ear (p<0.05). There were not any significant difference between TTSs, PTSs and DPOAEs amplitude of right and left ear of NOISE group at different frequencies (p>0.05).CONCLUSION: Excessive NOISE can cause TTSs and NOISE-induced PTSs and decreased DPOAEs amplitudes. Therefore, DPOAEs can be attributed as a useful tool for study of NOISE-induced HEARING LOSS.

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APA: Copy

MOUSSAVI NAJARKOLA, S.A., KHAVANIN, A., MIRZAEE, R., SALEHNIA, M., AKBARI, M., ASILIAN, H., & SOLEIMANIAN, A.. (2011). STUDY OF NOISE-INDUCED HEARING LOSS BY DISTORTION PRODUCT OTOACOUSTIC EMISSIONS. JOURNAL OF BABOL UNIVERSITY OF MEDICAL SCIENCES (JBUMS), 13(5 (62)), 34-43. SID. https://sid.ir/paper/73361/en

Vancouver: Copy

MOUSSAVI NAJARKOLA S.A., KHAVANIN A., MIRZAEE R., SALEHNIA M., AKBARI M., ASILIAN H., SOLEIMANIAN A.. STUDY OF NOISE-INDUCED HEARING LOSS BY DISTORTION PRODUCT OTOACOUSTIC EMISSIONS. JOURNAL OF BABOL UNIVERSITY OF MEDICAL SCIENCES (JBUMS)[Internet]. 2011;13(5 (62)):34-43. Available from: https://sid.ir/paper/73361/en

IEEE: Copy

S.A. MOUSSAVI NAJARKOLA, A. KHAVANIN, R. MIRZAEE, M. SALEHNIA, M. AKBARI, H. ASILIAN, and A. SOLEIMANIAN, “STUDY OF NOISE-INDUCED HEARING LOSS BY DISTORTION PRODUCT OTOACOUSTIC EMISSIONS,” JOURNAL OF BABOL UNIVERSITY OF MEDICAL SCIENCES (JBUMS), vol. 13, no. 5 (62), pp. 34–43, 2011, [Online]. Available: https://sid.ir/paper/73361/en

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