Abstract
Otitis media is an important and a highly prevalent disease of the middle ear and poses serious health problem world wide especially in developing countries where large percentage of the population lack specialized medical care, suffer from malnutrition and live in poor hygienic environmental conditions. It has been a general view that the hearing loss increases with the size of the perforation, more so if it is in the posterio inferior quadrant. It was found that the maximum average loss occurred at 250Hz. The hearing loss is less in small perforations (less than 2mm diameter) then in larger ones; less in perforations touching the manubrium than in those away from it, and also less in perforations of the anterioinferior quadrant than in those on posterio-inferior quadrant. A normally functioning eustachian tube is also an essential physiologic requirement for a healthy middle ear and normal hearing.
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