Download 13th International Conference on Cochlear Implants and Other

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Case study of an adult cochlear implant patient with total non-auditory sensation unrelated to the facial
nerve from first programming session and its management
Muff J.M. , Vanat Z.H. , Harris F. , Fields S.
Cambridge University Hospitals NHS Foundation Trust, The Emmeline Centre, Cambridge, United Kingdom
Introduction and Method: An adult with congenital progressive sensorineural hearing loss (unknown aetiology),
with consistent hearing aid use was assessed for a cochlear implant. The subject had normal speech and
language whose hearing deteriorated to an extent where hearing aids were inadequate for good speech
He was implanted with a MED-EL Sonata cochlear implant on his right side. A full insertion of the implant was
achieved with no complications during or after surgery. On his first programming session non-auditory sensation,
(NAS) was present across all electrodes unrelated to the facial nerve. This was experienced as a feeling across
the head and torso. Telemetry of implant function was normal. He perceived no sound. Programming was
tailored to initiate auditory sensation so as to provide access to sound and better speech perception. This
process was over several months by providing low levels of stimulation with gradual activation of the electrodes,
initially without any hearing.
Results: Patient presents with excellent functional outcomes after long term programming regime and use of
Conclusion/Discussion: This case study demonstrates that patients with total NAS with a cochlear implant can
be 'trained' to accept electrical stimulation which can result in normal use and good or excellent outcomes.