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Relevance of the pharyngotympanic tube.

Authors
  • du Toit, D F
Type
Published Article
Journal
SADJ : journal of the South African Dental Association = tydskrif van die Suid-Afrikaanse Tandheelkundige Vereniging
Publication Date
Sep 01, 2003
Volume
58
Issue
8
Pages
335–337
Identifiers
PMID: 14648916
Source
Medline
License
Unknown

Abstract

The auditory (Eustachian) tube connects the middle ear with the nasopharynx. This conduit permits equalisation of pressure between the middle ear and the throat. Balanced pressure allows the eardrum to vibrate freely as sound waves strike it. The auditory tube is also a potential anatomical route whereby opportunistic pathogens may migrate from the nose and throat to the middle ear. Eustachian tube (ET) function is disturbed in children with cleft palate, thereby rendering them susceptible to chronic otitis media with effusion (OME) and temporary conductive deafness. ET obstruction follows in these patients, and is thought to be related to the inability of the tensor veli palatini (TVP) to function properly. This anatomical overview reviews the clinical importance of the ET in the normal population and children with cleft palate.

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