DISTORTION PRODUCT OTOACUSTIC EMISSION IN EVALUATION OF HEARING IMPAIRMENT DUE TO EXPOSURE TO NOISE OR CAUSED BY MENIERE'S DISEASE

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TAVAKOLI H.; ABDI S.A.

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Journal: TEHRAN UNIVERSITY MEDICAL JOURNAL (TUMJ) Year:2005 | Volume:63 | Issue:9 Page(s): 710-716

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Title

DISTORTION PRODUCT OTOACUSTIC EMISSION IN EVALUATION OF HEARING IMPAIRMENT DUE TO EXPOSURE TO NOISE OR CAUSED BY MENIERE'S DISEASE

Author(s)

TAVAKOLI H. | ABDI S.A. | Issue Writer Certificate

Keywords

NOISE INDUCED HEARING LOSSQ4

MENIERE'S DISEASEQ4

AUDITORY BRAINSTEM RESPONSEQ4

DISTORTION PRODUCT OTOACOUSTIC EMISSIONQ3

AUDIOMETRYQ4

Abstract

Background: In search for a reliable objective test for early evaluation of hearing impainnent, we have tried to compare the results of pure tone AUDIOMETRY with results of DISTORTION PRODUCT OTOACOUSTIC EMISSION (DPOAE) and AUDITORY BRAINSTEM RESPONSE (ABR) in normal subjects, patients with MENIERE'S DISEASE (MD) and patients with NOISE INDUCED HEARING LOSS (NIHL).Methods and Materials: Hearing thresholds (HT) of the MD were significantly worse than the nonnal group at all frequencies (p<0.01). HTs of the NlHL group were significantly worse than the nonnal group higher frequencies (p<0.03). MD had significantly worse hearing thresholds than NlHL group at 2000 Hz and lower frequencies (p<0.03). Wave V absolute latency for NlHLL was higher than MD and normal groups (p=0.01 and p=0.002, respectively).Results: Distortion product (DP) for the NlHL and MD was significantly lower than the normal group at all frequencies (except 7270 Hz). A subset of subjects with hearing thresholds of less than 30 dB in all frequencies was selected from the three groups. NlHL subjects (but not MD group) had significantly lower DPOAE levels (p<0.05) in all frequencies (except for 7270Hz) as compared to the normal subjects. Conclusions: The results of this study provide a description of DPOAE results for normal and disease populations and support the concept that DPOAE may be used for early detection of NlHL.

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APA: Copy

TAVAKOLI, H., & ABDI, S.A.. (2005). DISTORTION PRODUCT OTOACUSTIC EMISSION IN EVALUATION OF HEARING IMPAIRMENT DUE TO EXPOSURE TO NOISE OR CAUSED BY MENIERE'S DISEASE. TEHRAN UNIVERSITY MEDICAL JOURNAL (TUMJ), 63(9), 710-716. SID. https://sid.ir/paper/38678/en

Vancouver: Copy

TAVAKOLI H., ABDI S.A.. DISTORTION PRODUCT OTOACUSTIC EMISSION IN EVALUATION OF HEARING IMPAIRMENT DUE TO EXPOSURE TO NOISE OR CAUSED BY MENIERE'S DISEASE. TEHRAN UNIVERSITY MEDICAL JOURNAL (TUMJ)[Internet]. 2005;63(9):710-716. Available from: https://sid.ir/paper/38678/en

IEEE: Copy

H. TAVAKOLI, and S.A. ABDI, “DISTORTION PRODUCT OTOACUSTIC EMISSION IN EVALUATION OF HEARING IMPAIRMENT DUE TO EXPOSURE TO NOISE OR CAUSED BY MENIERE'S DISEASE,” TEHRAN UNIVERSITY MEDICAL JOURNAL (TUMJ), vol. 63, no. 9, pp. 710–716, 2005, [Online]. Available: https://sid.ir/paper/38678/en

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