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Cochlear implants for mumps deafness: two paediatric cases

Published online by Cambridge University Press:  23 February 2015

T Noda*
Affiliation:
Department of Otorhinolaryngology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
Y Kakazu
Affiliation:
Department of Otorhinolaryngology, Japanese Red Cross Fukuoka Hospital, Fukuoka, Japan
S Komune
Affiliation:
Department of Otorhinolaryngology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
*
Address for correspondence: T Noda, Department of Otolaryngology – Head and Neck Surgery, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka 812-8582, Japan Fax: +81 92 642 5685 E-mail: [email protected]

Abstract

Background:

Good outcomes have been reported regarding the use of cochlear implants for mumps deafness. The mumps virus induces meningitis and/or encephalitis, which can cause central nervous system damage resulting in retrolabyrinthine hearing loss, for which a cochlear implant would be less effective.

Cases:

We installed a cochlear implant in two patients with bilateral mumps deafness; one achieved a good result with the cochlear implant, but the other did not. We discuss two possible reasons for the different outcomes. Case 1 was a three-year-old girl with bilateral parotid swelling, vomiting and walking disorder. One year after cochlear implant insertion, speech perception did not develop despite of good pure tone thresholds. Case 2 was an eight-year-old girl with bilateral parotid swelling. A cochlear implant enabled her to improve hearing perception.

Conclusion:

Although cochlear implants have been reported to be helpful for mumps deafness, cases that involve central nervous system damage may not achieve good results.

Type
Main Articles
Copyright
Copyright © JLO (1984) Limited 2015 

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