Authors: A. Beranová; P. Čelakovský; J. Vokurka Authors‘ workplace: Klinika ušní, nosní a krční LF UK a FN, Hradec Králové, přednosta doc. MUDr. J. Vokurka, CSc. Published in: Otorinolaryngol Foniatr, , 2002, No. 3, pp. 150-153. Category:
The authors evaluate in a group of 25 subjects with normal hearing, starting workinvolving exposure to noise, the development of distorsion product otoacoustic emissions andtransient evoked otoacoustic emissions in time during five consecutive measurements made aftersix-month intervals. Regression analysis provided evidence of a tendency of declining amplitude ofdistorsion product emissions in time during unchanging values of the sound audiogram.The authorsobserved also in the same group deterioration of the reaction of transient otoacoustic emissionsintime. The results of the investigation suggest the possibility of early detection of developinghypacusia in workers exposed to the risk of noise by means of otoacoustic emissions.
Key words: DPOAE, otoacoustic emissions, occupational medicine, TEOAE, examination ofhearing.
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