What is Atresia


Aural Atresia is an underdeveloped external ear canal, eardrum and middle ear bones.


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Aural Atresia is often associated with Microtia

90% with Microtia & Atresia have a conductive hearing loss

Although the outer and middle ear anatomy is affected in Aural Atresia, most have a normal functioning inner ear (cochlea and auditory nerve)

Atresia Treatment Options

  • Bone Anchored Hearing Systems
  • Canalplasty
  • No treatment

 


Schuknecht, 1989, describes 4 types of Aural Atresia

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