Sensorineural hearing loss
(Redirected from Sensorineural hearing impairment)
Sensorineural hearing loss is deafness caused by damage to the inner ear or the nerve that conducts signals from the ear to the brain
Causes[edit | edit source]
- Disease of the blood vessels
- Immune disease
- Infections, such as meningitis, mumps, scarlet fever, and measles
- Injury to the inner ear or nerve
- Meniere disease
- Tumor, such as acoustic neuroma
- Use of certain medications
- Exposure to loud noises frequently
Risk factors[edit | edit source]
Common risk factors include Occupational or recreational noises, especially if loud. Other risk factors include:
- Aging
- Heredity
- Certain medication
- Infections
Signs and symptoms[edit | edit source]
- Reduced or loss of hearing
- Difficulty understanding speech
- Sudden or steady loss of hearing
- Stuffy sensation in the ear
- Ringing in the ear
- Dizziness
Diagnosis[edit | edit source]
- The diagnosis of a sensorineural pattern hearing loss is usually made through audiometry.
- The audiometry shows a significant hearing loss without the air-bone gap seen in conductive hearing loss.
- Imaging studies such as CT scan and or MRI scan to rule out tumors etc.
Treatment[edit | edit source]
Treatment depends on the cause and severity and may involve some of the following:
- Hearing aids - limited value in true sensorineural hearing loss
- Cochlear or brainstem implants
- Other assistive devices
Supportive treatments include:
- vitamins and antioxidants
- vasodilators
- betahistine (Betaserc) (anti-vertigo drug)
- hyperbaric oxygen
- rheologic agents such as hydroxyethyl starch, dextran and pentoxifylline
- anti-inflammatory agents
- corticosteroids
- intratympanic administration of certain medicine
Prevention[edit | edit source]
Reducing exposure to loud sounds etc.
Prognosis[edit | edit source]
Prognosis is guarded
External links[edit | edit source]
Gallery[edit | edit source]
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Contributors: Prab R. Tumpati, MD
