Wednesday, January 30, 2008

HEARING IMPAIRMENT (CONDUCTIVE)




In children glue ear or secretory otitis media is a leading problem which causes conductive hearing loss.The main condition which lead to secretory otitis media is a nasopharyngeal lymphoid tissue called adenoids. This tissue either cause mechanical blockade of Eustachian tubes causing decrease in middle ear pressure levels resulting in negative middle ear pressure and thus fluid in middle ear. Secondly adenoids become a continuous source of infection resulting in eustachian tube congestion and blockade causing recurrent acute otitis media and with inadequate treatment it ends in secretory otitis media.

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