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Multichannel auditory brainstem implant: US clinical trial results
K Ebinger1, S Otto, J Arcaroli
1Clinical Studies Department, Cochlear Corporation, USA.
The Journal of Laryngology and Otology. Supplement
|February 24, 2001
Summary
The auditory brainstem implant (ABI) helps neurofibromatosis type 2 patients gain auditory sensations and improve speech understanding, especially with lip-reading cues. Most recipients report daily use and satisfaction.
Area of Science:
- Neurosurgery
- Audiology
- Biomedical Engineering
Background:
- Neurofibromatosis type 2 (NF2) often leads to hearing loss.
- Auditory brainstem implants (ABI) offer a potential solution for hearing restoration in NF2 patients.
Purpose of the Study:
- To evaluate the safety and efficacy of the multichannel auditory brainstem implant (ABI) in patients with neurofibromatosis type 2 (NF2).
Main Methods:
- A US Food and Drug Administration (FDA) clinical trial involving 92 subjects with NF2.
- Assessment of auditory sensations and speech understanding with and without lip-reading cues.
Main Results:
- 85% of patients reported receiving auditory sensations from the ABI.
- 93% of patients demonstrated improved sentence understanding when ABI was combined with lip-reading cues.
- The majority of recipients reported daily device use and satisfaction.
Conclusions:
- The multichannel ABI is effective in providing auditory sensations and improving speech understanding in NF2 patients.
- ABI combined with lip-reading significantly enhances communication abilities.
- Patient satisfaction and device usage indicate the clinical value of ABI for NF2.