Audiological performance after cochlear implantation in children with inner ear malformations

Objective: To prove that cochlear implantation is a beneficial method of rehabilitation in deaf children with malformations of the inner ear. Design: The evaluation of auditory responses to speech (EARS) test battery was performed on the children in this study after an average implant use of 3 years...

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Bibliographic Details
Published in:International journal of pediatric otorhinolaryngology 2004-04, Vol.68 (4), p.457-467
Main Authors: Arnoldner, Christoph, Baumgartner, Wolf Dieter, Gstoettner, Wolfgang, Egelierler, Brigitte, Czerny, Christian, Steiner, Erich, Hamzavi, Jafar
Format: Article
Language:English
Subjects:
Audiometry, Speech
Cerebrospinal Fluid Otorrhea - complications
Child
Child, Preschool
Cochlear implant
Cochlear Implantation - methods
Cochlear Implants
Contraindication
Ear, Inner - abnormalities
Ear, Inner - diagnostic imaging
Female
Follow-Up Studies
Hearing Loss - rehabilitation
Humans
Inner ear malformation
Labyrinth Diseases - complications
Labyrinth Diseases - congenital
Male
Retrospective Studies
Speech Perception
Tomography, X-Ray Computed
Treatment Outcome
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Summary:Objective: To prove that cochlear implantation is a beneficial method of rehabilitation in deaf children with malformations of the inner ear. Design: The evaluation of auditory responses to speech (EARS) test battery was performed on the children in this study after an average implant use of 3 years. Results: Individual results of six children with inner ear anomalies receiving cochlear implants are presented in this study. Three of the patients showed an incomplete partition (Mondini dysplasia), one had a cochlear hypoplasia and two suffered from an intraoperative cerebrospinal fluid leak. The majority of the children in this study are successful implant users. Wherever possible, test scores are included and subjective case reports given. Conclusion: Results are similar to those in children with normal cochleas, therefore inner ear malformations found in as many as 20% of patients with congenital sensorineural hearing loss are no contraindication for cochlear implantation. Nevertheless, factors influencing the success of implantation are multiple, including a thorough preoperative radiological examination, a well-performed surgery and an individually tailored postoperative rehabilitation programme.
ISSN:0165-5876
1872-8464
DOI:10.1016/j.ijporl.2003.11.018