2011•Chinese Archives of Otolaryngology-head and Neck SurgeryRequires access

The correlations of the results of distortion product otoacoustic emission(DPOAE)and pure tone threshold in driver

X N Ling

Abstract

OBJECTIVE To evaluate the value of distortion product otoacoustic emission(DPOAE)on testing the hearing loss of drivers.METHODS Pure tone threshold and DPOAE were performed on 20(40 ears) healthy adults(control group)and 30(60 ears)drivers(tested group)who have increased audiometric threshold.The positive rate of DPOAE and pure tone threshold were compared between the two groups.RESULTS Comparing to the control group,pure tone threshold results showed that at 2,4 or 8 KHz significant hearing loss were appeared in the test group(t1=3.669,t2=15.100,t3=8.942,P0.001)as well as the decline of DPOAE amplitudes(t1=14.205,t2=9.523,P0.001).There is obvious negative correlation between DPOAE and pure tone audiometry.CONCLUSION DPOAE is feasible and applicable examination on testing the hearing loss of driver.

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Key concepts: Audiology, Pure tone audiometry, Otoacoustic emission, Tone (literature), Pure tone, Medicine, Absolute threshold of hearing, Hearing loss