Encyclopedia Symptoms / / August 12, 2017
Alternative names: sensorineural deafness;sensorineural hearing loss;nerve deafness
Sensorineural deafness is a type of hearing loss.It arises and is caused by damage to the inner ear and auditory nervanerva precisely coming from the ear to the brain or as a result of brain damage.
Symptoms sensorineural deafness
Symptoms may include the following:
- some sounds seem too loud;
- the patient has difficulty hearing when they speak two or more people;
- the patient has difficulty hearing in noisy environments;
- the patient is easier to hear men's voices than women;
- the patient is difficult to say high-frequency sounds (such as "s" or "f");
- other people's voices sound like mumbling and slurred;
- the patient has difficulty hearing when background noise;
- the patient has a feeling of dizziness (often, it happens when Meniere's syndrome and acoustic neuroma, or otherwise, vestibular schwannoma, acoustic neuroma, acoustic schwannoma);
- the patient has a ringing or buzzing in the ears.
Causes of sensorineural deafness
inner part of the ear contains tiny hair cells (nerve endings) that affect the sound change and transformation of them into electrical signals.Nerves then carry these signals to the brain.
Sensorineural hearing loss is caused by damage to these specific hair cells (nerve fibers) in the inner ear.Sometimes, the hearing loss is caused by damage to nerve that carries signals to the brain.
Sensorineural hearing loss that is present at human birth (congenital) often connected with:
- genetic syndromes;
- infections that the mother passes to her baby through her womb (toxoplasmosis, rubella, herpes).
Sensorineural hearing loss can occur in children and adults (acquired sensorineural hearing loss) in their later life as a result of:
- age hearing loss;
- vascular diseases;
- immune diseases;
- infections - such, for example, meningitis, mumps, scarlet fever and measles;
- loud noise or other loud sounds that last for a long time;
- Meniere's disease;
- tumors - eg, acoustic neuroma (vestibular schwannoma or, acoustic neuroma, acoustic schwannomas);
- the use of certain drugs;
- daily work among the loudest sounds.
In some cases, the cause of sensorineural hearing loss is unknown.
Treatment of sensorineural deafness
The goal of treatment is to improve the patient's hearing.
The following may be helpful:
- hearing aids;
- telephone amplifiers and other assistive devices;
- sign language (for people with severe hearing loss);
- speech reading (eg, reading the words of the speaker over his lips, and with the help of visual cues that can help in communication).
cochlear implant may be recommended for some people with very severe form of hearing loss.The operation is performed in order to place the implant in the patient's ear.With it, the sounds seem louder, but the cochlear implant can not restore a healthy, normal hearing.
as patients with hearing loss should consult a qualified expert on the medical issue.