Update on long-term results with auditory brainstem implants in NF2 patients.

This study reviews the long-term results of auditory brainstem implant (ABI) in neurofibromatosis type 2 (NF2) patients. Retrospective chart reviews of patients who received an ABI at the Melbourne Cochlear Implant Clinic since 1995. Ten patients with an average follow-up of five years were included. Three patients received the N22 ABI and seven received the N24. Two patients discontinued use of their devices. Users reported part-time use for approximately four to five hours per day, switching their implants off in noisy environments. Audiological analyses at one to seven years post-implantation indicate that N24 patients showed worse performance at one year post-implantation but they continued to improve and, in the long term, both N22 and N24 groups achieved similar results. In conclusion, ABI provides a safe and useful tool for aural rehabilitation in NF2 patients. This study confirms that gradual improvement in performance occurs beyond one year post-implantation, as speech perception scores continued to improve.
AuthorsSangeeta Maini, Mauricio A Cohen, Rod Hollow, Robert Briggs
JournalCochlear implants international (Cochlear Implants Int) Vol. 10 Suppl 1 Pg. 33-7 ( 2009) ISSN: 1754-7628 [Electronic] England
PMID19230037 (Publication Type: Journal Article)
CopyrightCopyright 2009 John Wiley & Sons, Ltd.
  • Adult
  • Auditory Brain Stem Implantation (instrumentation)
  • Follow-Up Studies
  • Humans
  • Middle Aged
  • Neurofibromatosis 2 (rehabilitation)
  • Neuroma, Acoustic (surgery)
  • Speech Perception
  • Young Adult

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