Cochlear implants

For people with severe to profound hearing loss, we often have a lot of questions regarding the benefits of cochlear implants. Cochlear implant surgery is complex and the information can be overwhelming. This article will cover the basics of cochlear implantation, including what happens during the surgery, how long recovery takes, and what you can expect during your recovery process.

What is a cochlear implant?

A cochlear implant is a type of hearing device that is surgically implanted into the inner ear. It works by converting sound waves into electrical signals, which are then sent directly to the auditory nerve. This allows individuals with severe to profound hearing loss to hear sounds that they previously couldn't.

Cochlear implantation is typically done under general anesthesia and is an outpatient procedure performed by an ENT surgeon. In most cases, the surgery takes less than three hours and patients are able to go home the same day. However, some individuals may need to stay in the hospital overnight for observation. The surgery involves making a small incision behind the ear and implanting the cochlear implant into the inner ear. The implant is then connected to a small receiver under the skin, which receives signals from an external sound processor.

Image credit Tim Hales NZPA

Cochlear implant

Cochlear implants successfully improve hearing for the very young right through to the elderly.

What to expect after surgery

Recovery from cochlear implantation typically takes several weeks. During this time, the individual will need to take it easy and avoid activities that could put pressure on the implant, such as strenuous exercise or heavy lifting. Some patients may experience some pain or swelling in the area where the incision was made, but this should go away within a few days.

In the days following the surgery, patients will need to attend follow-up appointments with their ENT surgeon and Audiologist to ensure that the cochlear implant is functioning properly and that they are receiving the best possible hearing outcomes. During these appointments, an Audiologist will adjust the settings on the sound processor and make any necessary changes to ensure optimal hearing.

The individual will also need to attend a rehabilitation program to learn how to use their cochlear implant and how to best incorporate it into their daily life. This may involve speech therapy, listening exercises, and training on how to use the sound processor.

Generally, individuals should start to notice an improvement in their hearing within a few weeks of the surgery. However, it can take several months for the full benefits of the cochlear implant to be realised. During this time, individuals will continue to work with their Audiologist and rehabilitation team to further improve their hearing.

It's important to keep in mind that while cochlear implantation can greatly improve hearing, it is not a cure for hearing loss. Individuals will still need to use their cochlear implant on a daily basis and may need to make adjustments to their lifestyle to ensure the best possible hearing outcomes.

Cochlear implantation is a complex procedure that requires careful consideration and planning. However, with the help of a team of experts, including an experienced Audiologist, a rehabilitation team, and a surgeon, patients can achieve significantly improved hearing outcomes. If you or someone you know is considering cochlear implantation, I encourage you to discuss the options and potential benefits with your Audiologist and ENT surgeon. With the right support and guidance, cochlear implantation can be a life-changing experience for many individuals with severe to profound hearing loss.


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