SENSORINEURAL HEARING LOSS IN CHRONIC SUPPURATIVE OTITIS MEDIA

Authors

  • Husam Haider Senior otorhinologist , Head & Neck Surgeon , Assistant Professor , Head of ENT dept. , Basra Medical College
  • Aws A. Hussona Senior otorhinologist , Head & Neck Surgeon , Al-Habbobi General Hospital

Keywords:

Sensorineural hearing loss, chronic suppurative otitis media

Abstract

Objectives : A prospective study conducted in Basra General Hospital from April 2008 to March 2009 to find the cause - effect relationship between chronic suppurative otitis media and sensorineural hearing loss . Method :  Hearing thresholds of hundred patients with chronic suppurative otitis media were determined using Pure Tone Audiometry. All subjects were less than 40 years old (to exclude Age related hearing loss) , unilateral cases selected (so as the contralateral healthy ear served as a control) . All of them presented criteria of evaluation which exclude the other possible causes of sensorineural hearing loss like :  chronic medical illnesses , otological surgeries , hereditary causes , exposure to noise and exposure to systemic ototoxic drugs . Results : The average loss in bone conduction threshold was determined between the affected and healthy ear in relation to the disease duration and  in relation to the extent of the pathology . Conclusion : We found that the longer the duration of the disease and the more complicated the pathology, the more the loss in bone conduction . This loss is mostly at the higher frequencies .

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2021-04-05

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