Extended High Frequency Audiometry and Otoacoustic Emissions in Children with History of Otitis Media with effusion

Document Type : Original Article

Authors

1 ENT Department Tanta University Egypt

2 Audio-vestibular medicine department, Faculty of Medicine, Tanta University

3 Audio vestibular medicine

4 Audio vestibular Unit Otorhynolaryngiology Department Tanta University Egypt

10.21608/ejentas.2025.323689.1781

Abstract

Introduction: The most common cause of hearing loss in infants and young children is Otitis media with effusion (OME), which is usually conductive. (OME) is an inflammation of the middle ear cavity associated with type [B] tympanogram with accumulation of effusion which can be serous, purulent, mucoid or a mixture of these fluids. Several methods were used to detect the effect of otitis media on auditory system.
Aim of the Study: To study the effect of long standing OME on cochlear function using Extended high frequency audiometry (EHF), Transient otoacoustic emissions (TOAEs), Distortion product otoacoustic emissions (DPOAEs) in children after resolution of OME.
Subjects and Methods: This work included two groups: control and study. This Control group included 20 children. Study group consisted of 40 children divided in to subgroup A (surgically treated group) and subgroup B (medically treated group), the hearing was evaluated using pure tone audiometry, speech audiometry and extended high frequency audiometry. The cochlear function was evaluated by using TEOAEs and DPOAEs.
Results: Showed significant affection in pure tone audiometry and Extended high frequency and also in OAEs between studied groups (subgroups A&B) and control group. On other hand, there was no significant difference between the study group subgroups A and subgroup B.
Conclusions: TEOAEs, DPOAEs and EHF tests are sensitive in identifying changes in cochlear function in children with a history of otitis media.

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