Evoked Otoacoustic Emissions: Correlates between Spectrum Analysis and Audiogram

L. Collet Laboratoire d'Explorations Fonctionnelles ORL, Hôpital Edouard-Herriot, Pavilion U, Lyon; Laboratoire de Physiologie Sensorielle, Centre Hospitalier Lyon-Sud, Pierre-Bénite, France

E. Veuillet Laboratoire d'Explorations Fonctionnelles ORL, Hôpital Edouard-Herriot, Pavilion U, Lyon

J. M. Chanal Laboratoire d'Explorations Fonctionnelles ORL, Hôpital Edouard-Herriot, Pavilion U, Lyon

A. Morgon Laboratoire d'Explorations Fonctionnelles ORL, Hôpital Edouard-Herriot, Pavilion U, Lyon

Abstract

Correlations between spectrum analysis of evoked otoacoustic emissions (EOAEs) and hearing losses have been calculated in 150 patients with pure sensorineural hearing loss. Significant correlations were found. The greater the high-frequency spectral components of the EOAE, the better the high-frequency hearing. However the relationship is complex, and it does not seem possible to establish an audiogram knowing only the spectrum analysis of EOAEs.

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