4 Steps To Severe Hearing Loss Treatment
4 Steps To Severe Hearing Loss Treatment
4 Steps To Severe Hearing Loss Treatment
By Stephanie Watson
WebMD Feature
Reviewed by Brandon Isaacson, MD
WebMD Feature Archive
When I was a kid, phone conversations with my grandmother went something like this:
"Hello?"
(Pause) "Hello?"
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At family gatherings, my relatives got so tired of repeating themselves that they left
Grandma out of conversations. Even as a kid, I realized how isolated she must have felt
due to her severe hearing loss.
My grandmother never got a hearing aid because she worried that wearing a huge piece of
equipment behind her ear would alert the whole world to her hearing loss. Anyone who
shares the same fear today should know this:
"I like to say that the hearing loss is more visible to others than the hearing aid," says Pam
Mason, director of audiology professional practices at the American Speech-Language-
Hearing Association (ASHA). "Hearing aids today are behind the ear, very small, with a tiny
wire that goes down into your ear canal. They truly are invisible."
Hearing aids are not the only hearing loss treatments available. There are other options,
including middle ear implants and cochlear implants. But before you can get a hearing aid
or any other hearing device, you need to first find out what's causing your hearing loss.
"The first thing is to do a complete evaluation of the patient from a head and neck
standpoint and understand the nature of the hearing loss," explains Anand K. Devaiah,
MD, FACS, associate professor in the department of otolaryngology-head and neck
surgery at Boston University School of Medicine.
4 Steps to Severe Hearing Loss Treatment
WebMD Feature Archive
"We might be able to intervene from a medical or surgical standpoint first," Devaiah says.
Treatments may include:
Hearing aids fit inside or behind your ear. They electronically amplify the sounds
going into your ear, but they don't restore hearing. "A hearing aid will never bring their
hearing back to normal, but it will improve their ability to understand speech and to hear
the sounds their hearing loss is masking," says Hull Bell.
Your audiologist will use the information from your audiogram to choose the best hearing
aid for you. Then the hearing aid will be programmed to accommodate your type and
degree of hearing loss. Some hearing aids amplify the higher frequencies to improve
speech recognition. Other hearing aids can be programmed to accommodate for specific
situations, such as noisy or quiet environments.
Lastly, your audiologist will test the hearing aid in your ear to make sure the amplification
works for you. You can also customize your hearing aid further by adding one of these
options:
o Directional microphones boost the sound coming straight at you so that
you have an easier time hearing conversations.
o A telephone switch ("T" setting) filters out background noise while you're
on the phone. You can also use the "T" setting with the listening systems available in many
public facilities to help you hear plays, concerts, meetings, and worship services.
Cochlear implants are electronic devices that create the sensation of sound by
directly stimulating hearing nerves in the inner ear.
The benefits of cochlear implants can be dramatic, but they're not for everyone. "It's for
those people who really cannot get good benefit from hearing aids," says Hull Bell.
A cochlear implant isn't like a hearing aid. It doesn't amplify what your ears are hearing.
Instead, it bypasses your ears and directly stimulates the auditory nerve, which sends the
signal straight to your brain. Although cochlear implant surgery is considered to be safe, it
is still surgery. So talk with your doctor about the risks.
A new technology that combines a cochlear implant with a hearing aid in the same ear is
being tested in clinical trials. This technology may help certain patients with high-
frequency hearing loss and some residual hearing in the low frequencies.Researchers are
still testing these devices with the goal of improving hearing across the frequency
spectrum.
The sound you hear with a cochlear implant is not the same as normal hearing. However,
with time and practice a person's performance ability improves. Many cochlear implant
users say they're able to hear very well in quiet environments. They also show a lot of
improvement when it's noisy. Many use landline and cell phones, and some enjoy music
again.
Performance with cochlear implants gets better with time and practice. At first, someone
might hear voices but may not be able to understand them very well. The brain will adapt,
and this adaptation may improve if the user takes part in aural rehabilitation.
Most people with cochlear implants are satisfied with the results and can actively
participate again in the hearing world.
To find out if you qualify for cochlear implants, you'll undergo a thorough hearing loss
evaluation. Your ENT will also examine you to make sure you're healthy enough to go
through the implant surgery.
Middle ear implants are an option for people who either can't tolerate or don't
benefit from hearing aids, but whose hearing loss isn't severe enough for a cochlear
implant.
Here's how it works: You wear an external microphone above your ear that picks up
sound. The sound is converted into electrical signals, which travel through the skin to an
implant that is attached to the tiny bones of the middle ear. The implant enhances the
vibration of the middle ear bones and sends those amplified vibrations to the inner ear.
Finally, the nerve signal is sent to the brain, where it is recognized as sound.
You can adjust the middle ear implant much like you would program a hearing aid or
cochlear implant.
Middle ear implants may not be covered by insurance and can be quite expensive. Once
the implant is placed, a person cannot have an MRI scan without removing the implant.
Auditory brain stem implants (ABIs) are different from cochlear implants. Instead
of placing the stimulator in the cochlea, an ABI is placed directly on the brain.
Right now, ABIs are only being used in a small group of people who have a missing or
nonfunctioning cochlear nerve. This is usually the case for people who have a rare
inherited disorder called neurofibromatosis type II (NF-2). There are several centers in the
U.S. performing auditory brain stem implant trials in both adults and children without NF-
2.
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"They have to put in a lot of effort and they have to be very dedicated to learning how to
listen again," says Hull Bell. "You can give them the latest and greatest hearing aid, but if
they don't put the time and effort into it, it's not going to be successful."
Before you leave your audiologist's office, make sure you know how to use your new
device. Also ask about being enrolled in an aural rehabilitation program. This program can
help you improve your communication skills and adjust to your hearing aids.
Keep in touch with your audiologist and/or ENT. They can make adjustments, if needed, to
make sure your hearing device continues to work well for you over the long term.
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