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Audiologic Profile of Noise-Induced Hearing Loss

Audiologic Profile of Noise-Induced Hearing Loss Abstract • Audiologic results for 450 ears presumed to have uncomplicated noiseinduced hearing loss were analyzed to describe their typical profile and to quantify the characteristic audiometric notch. Data consisted of tonal and speech thresholds, speech discrimination scores, Bekesy tracings, and short increment sensitivity index scores, and tone decay at 4,000 hertz. In each case, the pattern of results indicated a cochlear site of lesion, although the only uniformly cochlear sign was the absence of a pattern of abnormal adaptation in Bekesy tracings. In each case, the audiogram could be approximated by a quartic equation. The mean difference between actual thresholds and those predicted by the best-fit quartic did not exceed 7.72 dB and was less than 5 dB for eight of the 11 frequencies for which comparisons were made. We propose the application of this characteristic to clinical practice and to automated hearing conservation programs. (Arch Otolaryngol 102:148-150, 1976) References 1. Ward WD, Fleer RE, Glorig A: Characteristics of hearing loss produced by gunfire and steady noise . J Aud Res 1:326-356, 1961. 2. Carhart R, Jerger JF: Preferred method for clinical determination of pure-tone thresholds . J Speech Hear Disord 24:330-345, 1959. 3. Chaiklin JB: The relation among three selected auditory speech thresholds . J Speech Hear Res 2:237-243, 1959. 4. Rosenberg PE: Rapid clinical measurement of tone decay. Read before the American Speech and Hearing Association, New York, 1958. 5. Jerger J, Shedd JL, Harford E: On the detection of extremely small changes in sound intensity . Arch Otolaryngol 69:200-211, 1959.Crossref 6. Glorig A, Ward WD, Nixon J: Damage risk criteria and noise—induced hearing loss . Arch Otolaryngol 74:413-423, 1961.Crossref 7. Owens E: The SISI test and VIIIth nerve versus cochlear involvement . J Speech Hear Disord 30:252-262, 1965. 8. Northern JL: The type II Bekesy audiogram and the modified tone decay test . J Aud Res 4:207-211, 1964. 9. Doehring DG, Swisher LP: Tone decay and hearing threshold level in sensorineural loss . J Speech Hear Res 14:345-349, 1971. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Archives of Otolaryngology American Medical Association

Audiologic Profile of Noise-Induced Hearing Loss

Archives of Otolaryngology , Volume 102 (3) – Mar 1, 1976

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References (9)

Publisher
American Medical Association
Copyright
Copyright © 1976 American Medical Association. All Rights Reserved.
ISSN
0003-9977
DOI
10.1001/archotol.1976.00780080070007
Publisher site
See Article on Publisher Site

Abstract

Abstract • Audiologic results for 450 ears presumed to have uncomplicated noiseinduced hearing loss were analyzed to describe their typical profile and to quantify the characteristic audiometric notch. Data consisted of tonal and speech thresholds, speech discrimination scores, Bekesy tracings, and short increment sensitivity index scores, and tone decay at 4,000 hertz. In each case, the pattern of results indicated a cochlear site of lesion, although the only uniformly cochlear sign was the absence of a pattern of abnormal adaptation in Bekesy tracings. In each case, the audiogram could be approximated by a quartic equation. The mean difference between actual thresholds and those predicted by the best-fit quartic did not exceed 7.72 dB and was less than 5 dB for eight of the 11 frequencies for which comparisons were made. We propose the application of this characteristic to clinical practice and to automated hearing conservation programs. (Arch Otolaryngol 102:148-150, 1976) References 1. Ward WD, Fleer RE, Glorig A: Characteristics of hearing loss produced by gunfire and steady noise . J Aud Res 1:326-356, 1961. 2. Carhart R, Jerger JF: Preferred method for clinical determination of pure-tone thresholds . J Speech Hear Disord 24:330-345, 1959. 3. Chaiklin JB: The relation among three selected auditory speech thresholds . J Speech Hear Res 2:237-243, 1959. 4. Rosenberg PE: Rapid clinical measurement of tone decay. Read before the American Speech and Hearing Association, New York, 1958. 5. Jerger J, Shedd JL, Harford E: On the detection of extremely small changes in sound intensity . Arch Otolaryngol 69:200-211, 1959.Crossref 6. Glorig A, Ward WD, Nixon J: Damage risk criteria and noise—induced hearing loss . Arch Otolaryngol 74:413-423, 1961.Crossref 7. Owens E: The SISI test and VIIIth nerve versus cochlear involvement . J Speech Hear Disord 30:252-262, 1965. 8. Northern JL: The type II Bekesy audiogram and the modified tone decay test . J Aud Res 4:207-211, 1964. 9. Doehring DG, Swisher LP: Tone decay and hearing threshold level in sensorineural loss . J Speech Hear Res 14:345-349, 1971.

Journal

Archives of OtolaryngologyAmerican Medical Association

Published: Mar 1, 1976

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