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