Evaluation of noise-induced hearing loss with audiometer and distortion product otoacoustic emissions.
Article
in English
| IMSEAR
| ID: sea-44689
ABSTRACT
OBJECTIVE:
To compare the results of audiogram and distortion product otoacoustic emissions (DPOAEs) parameters between staffs working in a noisy environment and normal subjects. MATERIAL ANDMETHOD:
Hearing function of 32 noise-exposed workers and 18 reference subjects were assessed with DPOAEs and pure-tone audiometry. Results were compared among three groups 1) ears of reference subjects, 2) audiometrically normal ears of noise-exposed subjects, and 3) audiometrically abnormal ears of noise-exposed subjects.RESULTS:
DPOAEs parameters, statistically significant difference were found between group 1 and 2 and group 1 and 3 at all frequencies. Statistically significant differences in pass rate for DPOAEs at 4-6 kilohertz (kHz) were also found between group 1 and 2.CONCLUSION:
DPOAEs are more sensitive than audiometry to detect pre-symptomatic inner ear damage. It may play a role as screening and monitoring test for noise-exposed workers.
Full text:
Available
Index:
IMSEAR (South-East Asia)
Main subject:
Audiometry
/
Female
/
Humans
/
Male
/
Cross-Sectional Studies
/
Surveys and Questionnaires
/
Health Surveys
/
Otoacoustic Emissions, Spontaneous
/
Adult
/
Hearing Loss, Noise-Induced
Type of study:
Observational study
/
Prevalence study
/
Risk factors
Language:
English
Year:
2008
Type:
Article
Similar
MEDLINE
...
LILACS
LIS