Cochlear implants international · 2011
Cochlear implantation in a patient with sensori-neural deafness secondary to Charcot-Marie-Tooth disease.
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Goswamy Jay, Bruce Iain A, Green Kevin M J, O'Driscoll Martin P
Аннотация
OBJECTIVE AND IMPORTANCE: Charcot-Marie-Tooth (CMT) disease is the most common hereditary motor and sensory neuropathy and can result in profound sensori-neural hearing loss with deficiency in speech perception out of proportion to that which would be expected if the loss was cochlear in origin. This study investigates whether the reintroduction of auditory synchrony by means of cochlear implantation will improve speech perception in those with dys-synchrony related to impairment of temporal processing abilities secondary to CMT.
CLINICAL PRESENTATION: A 67-year-old male presented with a gradual but significant decrease in his hearing as part of a slowly progressing demyelinating peripheral neuropathy. On open-set speech discrimination he scored 0%.
INTERVENTION: A Med-el Flex(SOFT) cochlear implant (CI) was fully inserted into the left ear with no surgical complications. The CI speech processor was fitted 1 month post-implantation and standardized speech assessments conducted at 1 week, 3 months, 9 months, and 21 months following initial fitting, gave open-set speech discrimination scores of 0, 0, 53, and 54%, respectively.
CONCLUSION: This report demonstrates that cochlear implantation is an option to rehabilitate severe-to-profound hearing loss in adults with auditory dys-synchrony secondary to CMT disease. Progress post-implantation is likely to be slower than for the average CI user.
CLINICAL PRESENTATION: A 67-year-old male presented with a gradual but significant decrease in his hearing as part of a slowly progressing demyelinating peripheral neuropathy. On open-set speech discrimination he scored 0%.
INTERVENTION: A Med-el Flex(SOFT) cochlear implant (CI) was fully inserted into the left ear with no surgical complications. The CI speech processor was fitted 1 month post-implantation and standardized speech assessments conducted at 1 week, 3 months, 9 months, and 21 months following initial fitting, gave open-set speech discrimination scores of 0, 0, 53, and 54%, respectively.
CONCLUSION: This report demonstrates that cochlear implantation is an option to rehabilitate severe-to-profound hearing loss in adults with auditory dys-synchrony secondary to CMT disease. Progress post-implantation is likely to be slower than for the average CI user.