الفهرس 
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Abstract
nasal allergy represented 14%, patients with cleft palate represented 1.4% and patients with unknown causes represented 5%. Adenoid hypertrophy was the most prevalent cause of OME.
Audiological evaluation was done for all patients with OME and it was found that 96.4% of them had hearing loss ranged from mild to moderate in most cases (71.4%) and it was sever in some cases that had SNHL associated with OME (25%) and (3.6%) normal. Therefore most of the cases had CHL (66.4%) and some cases had mixed with predominant CHL (12.9%) and others had mixed with predominant SNHL (17.1 %). Hearing sensitivity in patients with CHL ranged from 10 dB to 52.5 dB with mean of 29.478 dB and standard deviation of 9.176 dB. Hearing sensitivity group >20-30 dB was the most prevalent, therefore mild CHL was the most common degree ofOME.
After diagnosis of OME patients given medical treatment in the form of antibiotic, decongestant, maxilase and mucolytics for 3 weeks and follow up by tympanometry if no improvement add corticosteroid for 3weeks followed by tympanometry if no improvement refer to surgical treatment in the form of ventilation tube with adenoidectomy if adenoid hypertrophy. The patients were followed up represent 35.7% (50 cases), of which 5.7% (8 cases) improved and 30% (42 cases) referred to ventilation tube with or with out adenoidectomy, don’t follow up represent 55.7% (78cases) and incomplete follow up represent 8.6% (12 cases). So that most cases don’t follow up and this maybe due to non compliance of the patients, improvement or management out side the hospital.