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Reported rates of revision cochlear implant surgery vary in adults and children from 3.8% to 8% with the most common indications being device failure, infection, and migration of the implant or electrode. [43] Disequilibrium and vertigo after CI surgery can occur but the symptoms tend to be mild and short-lived. [44]
The internal implant sends the signals to the electrode array. The design of the electrode array is the key difference between a cochlear implant and an ABI. Whereas the electrode array for a CI is wire-shaped and is inserted into the cochlea, the electrode array of an ABI is paddle-shaped and is placed on the cochlear nucleus of the brainstem. [3]
Cochlear implants will work only when the cochleovestibular nerve (8th nerve) and the cochlea are still functioning. In a study done with open-set speech perception testing and closed-set speech perception testing by Neff et al., they discovered that the use of cochlear implants with NF2 patients allowed significant improvement of hearing ...
A totally implantable cochlear implant (TICI) is a new type of cochlear implant and is currently in development.Unlike a conventional cochlear implant, which has both an internal component (the implant) and an external component (the audio processor), all the components of the TICI - including the microphone and battery - are implanted under the skin. [1]
Other complications that can occur include risk of rejection from implant-induced coagulation and allergic foreign body response. Depending on the type of implant, the complications may vary. [1] When the site of an implant becomes infected during or after surgery, the surrounding tissue becomes infected by microorganisms. Three main categories ...
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