Objectives: Chronic otitis media is currently associated with an increase in air conduction thresholds. However, a few groups reported a decrease in sensorineural function in these patients. This study evaluates the occurrence of sensorineural hearing loss in patients with chronic otitis media.Methods: The records of patients with unilateral chronic otitis media were reviewed. Eighty-four patients met the inclusion criteria that were normal otoscopy and normal hearing in the contra lateral ear. Bone conduction threshold averages were calculated over 500 Hz, 1000 Hz, 2000 Hz, 3000 Hz and 4000 Hz frequencies. We compared the bone conductions threshold averages between the normal ear and the ear with chronic otitis media. Thresholds were examined separately for each frequency.Results: The bone conduction threshold averages in the normal side were smaller than those of the chronic otitis media ear. The threshold shift was statistically significant in each frequency (P Ͻ 0.001 t Student test) but in 500 Hz (P ϭ 0.16). There were no differences between the groups when we analyzed the role of age or in the role of the cholesteatoma presence in the sensorineural hearing loss.Conclusions: This study shows that chronic otitis media is associated with decrease in cochlear function. Neither the P231
A review on tinnitus and auditory sensitivity was presented, allowing the reader a broad view of the approach to these patients, based on scientific evidence and national experience.
Patients with COM in 1 ear have a high chance of presenting with some degree of disease in the contralateral side. We believe that our findings suggest that COM should be ideally approached not as a static pathological incident affecting 1 ear but rather as an on-going process that may affect both ears.
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