Distortion Product Otoacoustic Emissions (DPOAEs) In Tinnitus Patients

Abstract Introduction Tinnitus is the perception of sound in the absence of external sound stimulation. There is a general agreement that it is a direct consequence of irreversible and permanent cochlear damage. Objectives The present work is designed to study the distortion product otoacoustic emissions (DPOAEs) in tinnitus patients with normal hearing in comparison with normal hearing control and to study any possible correlation between DPOAEs recording and patients’ complaints. Methods The present study included 80 subjects divided into 2 groups: Control group: consisted of 30 normal-...

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