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Related Experiment Videos

An auditory brainstem implant system.

Kim B Jackson1, Gerhard Mark, Jan Helms

  • 1MED-EL Corporation, North America, Research Tringle Park, Durham, NC 27713, USA.

American Journal of Audiology
|April 15, 2003
PubMed
Summary

Neurofibromatosis type II (NF2) causes deafness, precluding cochlear implants. An auditory brainstem implant (ABI) offers an alternative, with promising results including speech ability in NF2 patients.

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Area of Science:

  • Neurosurgery
  • Audiology
  • Biomedical Engineering

Background:

  • Neurofibromatosis type II (NF2) can lead to bilateral acoustic neuromas, often causing profound deafness due to auditory nerve compromise.
  • Standard cochlear implants are ineffective for NF2 patients because the auditory nerve cannot be stimulated.
  • Auditory brainstem implants (ABIs) offer a potential solution for hearing restoration by directly stimulating the auditory pathway.

Purpose of the Study:

  • To evaluate the efficacy and outcomes of the MED-EL high-rate multichannel auditory brainstem implant (ABI) system in patients with Neurofibromatosis type II.
  • To present data from a cohort of European patients who received the MED-EL ABI.

Main Methods:

  • The study focuses on the MED-EL high-rate multichannel ABI system, comprising implanted and external components.

Related Experiment Videos

  • Intra-operative electrical auditory brainstem response (EABR) testing was crucial for determining optimal ABI placement.
  • Data were collected and analyzed from a group of European patients implanted with the MED-EL ABI.

    • Main Results:

    • The implantation of the MED-EL ABI system in NF2 patients yielded promising results.
    • Patients demonstrated the ability to achieve some level of open-set speech understanding.
    • The system's components and the importance of precise intra-operative placement were highlighted.

    Conclusions:

    • The MED-EL high-rate multichannel ABI system provides a viable option for hearing restoration in individuals with NF2 and auditory nerve loss.
    • Auditory brainstem implantation is a significant advancement for patients with NF2, offering improved communication abilities.
    • Further data and long-term follow-up are warranted to fully assess the benefits of ABI in this population.