Study of Noise-Induced Hearing Loss by Distortion Product Otoacoustic Emissions
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 rabbi...
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Babol University of Medical Sciences
2011
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oai:doaj.org-article:314b023089d34450938a480493ae2fd12021-11-10T08:56:48ZStudy of Noise-Induced Hearing Loss by Distortion Product Otoacoustic Emissions1561-41072251-7170https://doaj.org/article/314b023089d34450938a480493ae2fd12011-09-01T00:00:00Zhttp://jbums.org/article-1-3871-en.htmlhttps://doaj.org/toc/1561-4107https://doaj.org/toc/2251-7170BACKGROUND 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 (p0.05).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.Moussavi-Najarkola SA, Khavanin A, Mirzaee R, Salehnia M, Akbari M, Asilian H, Soleimanian ABabol University of Medical Sciencesarticlenoisehearing lossdistortion product otoacoustic emissionsMedicineRMedicine (General)R5-920ENFAMajallah-i Dānishgāh-i ̒Ulūm-i Pizishkī-i Bābul, Vol 13, Iss 5, Pp 34-43 (2011) |
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noise hearing loss distortion product otoacoustic emissions Medicine R Medicine (General) R5-920 |
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noise hearing loss distortion product otoacoustic emissions Medicine R Medicine (General) R5-920 Moussavi-Najarkola SA, Khavanin A, Mirzaee R, Salehnia M, Akbari M, Asilian H, Soleimanian A Study of Noise-Induced Hearing Loss by Distortion Product Otoacoustic Emissions |
| description |
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 (p0.05).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. |
| format |
article |
| author |
Moussavi-Najarkola SA, Khavanin A, Mirzaee R, Salehnia M, Akbari M, Asilian H, Soleimanian A |
| author_facet |
Moussavi-Najarkola SA, Khavanin A, Mirzaee R, Salehnia M, Akbari M, Asilian H, Soleimanian A |
| author_sort |
Moussavi-Najarkola SA, Khavanin A, Mirzaee R, Salehnia M, Akbari M, Asilian H, Soleimanian A |
| title |
Study of Noise-Induced Hearing Loss by Distortion Product Otoacoustic Emissions |
| title_short |
Study of Noise-Induced Hearing Loss by Distortion Product Otoacoustic Emissions |
| title_full |
Study of Noise-Induced Hearing Loss by Distortion Product Otoacoustic Emissions |
| title_fullStr |
Study of Noise-Induced Hearing Loss by Distortion Product Otoacoustic Emissions |
| title_full_unstemmed |
Study of Noise-Induced Hearing Loss by Distortion Product Otoacoustic Emissions |
| title_sort |
study of noise-induced hearing loss by distortion product otoacoustic emissions |
| publisher |
Babol University of Medical Sciences |
| publishDate |
2011 |
| url |
https://doaj.org/article/314b023089d34450938a480493ae2fd1 |
| work_keys_str_mv |
AT moussavinajarkolasakhavaninamirzaeersalehniamakbarimasilianhsoleimaniana studyofnoiseinducedhearinglossbydistortionproductotoacousticemissions |
| _version_ |
1718440270243037184 |