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Published on: January 9, 2019
Cochlear implant in patients with residual hearing
1Department of Hearing and Speech Science, Kyoto University, Graduate School of Medicine, Japan. yshiomi@yb3.so-net.ne.jp
Auris, Nasus, Larynx
|October 26, 1999
Summary
Multi-channel cochlear implants significantly improved speech perception in severely hearing-impaired patients who received little benefit from hearing aids. This advancement enabled communication without writing, highlighting cochlear implants as a viable option.
Area of Science:
- Audiology
- Neurosurgery
- Biomedical Engineering
Background:
- Conventional hearing aids offer limited benefit for severe to profound hearing loss.
- Assessing speech perception is crucial for evaluating hearing loss interventions.
Observation:
- Six severely to profoundly hearing-impaired patients underwent cochlear implantation.
- Preoperative unaided thresholds were 70-100 dB HL, and aided thresholds were 35-90 dB HL.
- Patients demonstrated poor speech perception with hearing aids.
Findings:
- Postoperative speech perception significantly improved in all patients.
- Performance exceeded average cochlear implant user skills.
- Patients achieved unaided communication, eliminating the need for writing.
Implications:
- Cochlear implantation is a potential solution for severe to profound hearing loss.
- Patients with limited success from hearing aids may benefit from cochlear implants.
- This technology enhances communication abilities in deaf individuals.
