Cochlear implant surgery can be life-changing for people with significant hearing loss who no longer get enough benefit from hearing aids.
If you or a family member has been told hearing aids are not helping as much as they used to, it is worth understanding what cochlear implant surgery involves and who is generally considered suitable.
This article explains what a cochlear implant is, who might qualify for surgery, what the procedure generally involves, and what recovery and adjustment look like.
It is general health information only, not personal medical advice, so speak with your GP, audiologist or ENT surgeon about your own situation.
If you are ever experiencing a medical emergency, call 000 or go to your nearest emergency department rather than relying on an article like this one.
What Is a Cochlear Implant?
A cochlear implant is a small electronic device that is surgically placed under the skin behind the ear, with a part that sits inside the inner ear.
Unlike a hearing aid, which amplifies sound, a cochlear implant works by directly stimulating the hearing nerve, bypassing damaged parts of the ear.
The system has both an internal, surgically implanted part and an external part called a sound processor, which is usually worn behind the ear and connects magnetically to the internal device. Together they allow many people to perceive sound in a way that hearing aids alone could not achieve.
Who Might Qualify for Cochlear Implant Surgery?
Adults With Significant Hearing Loss
Adults who have moderate to profound hearing loss and who are not getting enough benefit from well-fitted hearing aids may be considered candidates for cochlear implant surgery, following a thorough assessment by an audiologist and ENT surgeon.
Children With Hearing Loss
Children with significant hearing loss, including those identified through newborn hearing screening, may also be considered for cochlear implants, often at a young age, since early access to sound can support speech and language development.
Getting a Referral and Assessment
The pathway usually starts with a GP or audiologist, who can arrange hearing tests and, if appropriate, a specialist referral to an ENT surgeon and a cochlear implant program.
General background on hearing health is available through Healthdirect Australia, and you can check that any surgeon you see is properly registered through AHPRA.
Assessment for cochlear implant surgery is usually thorough, involving hearing tests, imaging, and discussions with an audiologist about realistic expectations.
Not everyone with hearing loss will be considered suitable, and your specialist team will explain why in your specific case.
What Cochlear Implant Surgery Involves
Cochlear implant surgery is generally performed under general anaesthesia by an ENT surgeon with training in this area, often accredited through the Royal Australasian College of Surgeons.
The internal device is placed under the skin behind the ear and a small array is positioned inside the inner ear.
Many people stay in hospital for one or two nights after surgery, though this can vary. The external sound processor is not usually switched on straight away, since the surgical site needs time to heal before the device is activated and programmed.
What the Assessment Process Involves
Before surgery is even discussed as a firm plan, most cochlear implant programs in Australia involve a thorough, multi-step assessment.
This generally includes detailed hearing tests, a hearing aid trial period to confirm how much benefit is currently being achieved, and imaging to check the structure of the inner ear.
You will usually also meet with an audiologist, an ENT surgeon, and sometimes a speech pathologist or psychologist as part of the team, particularly for children.
This thorough approach exists to make sure cochlear implant surgery is genuinely the right option before committing to it.
Life After Cochlear Implant Surgery
Adjusting to hearing through a cochlear implant takes time and practice, and it is quite different from the hearing many people remember before significant hearing loss developed.
Regular mapping appointments with an audiologist in the months after activation help fine-tune the device to your hearing needs.
Many people also find it helpful to connect with cochlear implant support groups or other allied health resources during this adjustment period, since the experience of learning to interpret sound through an implant is quite individual. Your specialist team can point you towards these resources if you are interested.
Possible Risks and Recovery
As with any operation, cochlear implant surgery carries some surgical risks, which your surgeon will discuss as part of gaining your informed consent. General risks that may be discussed include:
- Infection at the surgical site
- Temporary dizziness or balance changes
- Changes to taste on part of the tongue
- Device-related issues requiring further surgery in rare cases
- Variation in how much benefit an individual experiences from the implant
Post-operative recovery from the surgery itself is often relatively quick, with most people resuming light activities within a couple of weeks.
The bigger part of the journey is usually the weeks and months of activation, mapping and rehabilitation that follow, often supported by audiology and allied health teams.
Costs, Medicare and Private Health Insurance
Cochlear implant surgery and devices can be accessed through the public system or privately using private health insurance, depending on eligibility and your circumstances.
privatehealth.gov.au is a useful independent government resource for understanding how private cover works for procedures like this.
Medicare provides a rebate towards eligible surgical and specialist costs, with current details available through Services Australia. Before surgery, your surgical and audiology team should provide informed financial consent, a clear written estimate of any out-of-pocket costs, so you know what to expect.
Conclusion
Cochlear implant surgery can offer meaningful improvements in hearing for both adults and children who are not getting enough benefit from hearing aids, though it involves a thorough assessment process and an ongoing commitment to activation and rehabilitation afterwards.
Understanding who generally qualifies and what the journey involves can make the decision feel more manageable.
If you are wondering whether a cochlear implant could help you or a family member, the best next step is a conversation with your GP, audiologist or an ENT surgeon. You can use surgery.com.au to find surgeons across major Australian cities and start exploring your options.
FAQs
How do I know if I qualify for a cochlear implant?
Qualification depends on a detailed hearing assessment by an audiologist and ENT surgeon, generally looking at how much benefit you are getting from hearing aids. Only a specialist team can confirm whether cochlear implant surgery is suitable for your specific hearing loss.
Is cochlear implant surgery painful?
Most people experience mild to moderate discomfort around the surgical site rather than severe pain, which is generally managed with pain relief recommended by your surgical team. Discomfort typically settles within the first week or two.
How soon can I hear after cochlear implant surgery?
The external sound processor is usually switched on a few weeks after surgery, once the site has healed, rather than immediately. Hearing through the implant then develops gradually as the device is mapped and your brain adjusts to the new signal.
Can adults get cochlear implants, or is it just for children?
Cochlear implants are used in both adults and children, and adults with significant hearing loss who are not getting enough benefit from hearing aids are commonly assessed for suitability. Age alone does not rule someone out, though overall health and other factors are considered.
Is cochlear implant surgery covered by Medicare or private health insurance?
Cochlear implant surgery and devices may be accessed through the public system or covered through private health insurance, depending on eligibility, your policy and individual circumstances. It is worth checking directly with Medicare and your insurer for current, specific details.