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Multichannel cochlear implant in a deaf-blind patient
S L Arauz1, L Aronson, S N Mastroianni Pinto
1Arauz Foundation, Cochlear Implant Department, Buenos Aires, Argentina.
Summary
This case study shows a deaf-blind patient achieved significant speech perception improvements with a Combi-40 cochlear implant. The multichannel cochlear implant offers a viable auditory substitute for individuals with combined vision and hearing loss.
Area of Science:
- Audiology
- Neuroscience
- Rehabilitation Medicine
Background:
- A 69-year-old male patient, blind since age 25 and deaf since age 51, was implanted with the Combi-40 cochlear implant.
- Pre-surgery communication relied on tactile methods like Braille and finger-spelling.
Observation:
- The study details a tailored rehabilitation program addressing the patient's unique characteristics and challenges.
- Initial speech perception and comprehension improvements were noted within two weeks post-activation.
Findings:
- The patient achieved conversational ability via the cochlear implant alone within four weeks, discontinuing tactile communication.
- Post-activation tests at 2, 4, and 6 months demonstrated exceptional results, among the best recorded.
- The patient can now communicate effectively over the phone.
Implications:
- Multichannel cochlear implants can serve as effective auditory substitutes for deaf-blind individuals.
- This case suggests significant potential benefits of cochlear implantation for restoring auditory function in complex sensory loss scenarios.