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Cochlear Implant
Aka: Cochlear Implant, Auditory Prosthesis, Cochlear Prosthesis, Surgical Management of Sensorineural Hearing Loss, Hybrid Cochlear Implant, Bone-Anchored Hearing Aid, Implantable Middle Ear Hearing Device
- See Also
- Hearing Loss
- Sensorineural Hearing Loss
- Hearing Aid
- Procedures
- Cochlear Implant
- Surgically placed device that directly stimulates the auditory nerve (bypassing hair cells)
- Indicated in Moderate to profound bilateral Sensorineural Hearing Loss
- Electroacoustic Stimulation (Hybrid Cochlear Implant)
- Indicated in high frequency Sensorineural Hearing Loss with relatively preserved low frequency hearing
- Moderate to profound high frequency Sensorineural Hearing Loss
- Cochlear Implant at Cochlea's basal turn (high frequency region)
- Mild low frequency Hearing Loss
- Hearing Aid amplifies low frequencies
- Bone-Anchored Hearing Aid
- Indicated in unilateral profound Sensorineural Hearing Loss with preserved hearing in other ear
- External device attaches to bone anchored device and transmits vibration to skull
- Cochlea is stimulated in better ear via bone conduction
- Implantable Middle Ear Hearing Device
- Microphone in ear conducts sound to implanted middle ear transducer
- Indicated in stable Sensorineural Hearing Loss with preserved word recognition, and cannot use Hearing Aid
- Indications: Cochlear Implant
- Moderate to profound bilateral Sensorineural Hearing Loss
- Medicare criteria
- Moderate to profound bilateral Sensorineural Hearing Loss AND
- Minimal benefit with Hearing Aids
- No middle ear disease
- No significant cognitive deficit (e.g. Dementia) that interferes with Hearing Aid use
- Efficacy
- Improved speech perception, social function and quality of life
- References
- Tisch (2017) GMS Curr Top Otorrhinolaryngol Head Neck Surg 16:1-22
- https://www.egms.de/static/pdf/journals/cto/2017-16/cto000145.pdf
- Michels (2019) Am Fam Physician 100(2): 98-108 [PubMed]