Sensorineural hearing loss is a symptom of hearing loss due to the pathology of the cochlear spiral, auditory nerve, and auditory center of the brain. tinnitus.
The causes of sensorineural hearing loss are:
Common ototoxic drugs are: gentamicin, kanamycin, streptomycin, neomycin and some anti-tumor drugs.Drug-induced deafness is usually bilateral deafness, often accompanied by tinnitus, and the audiogram may show a steep drop.
Aging with age leads to cell aging and apoptosis, which causes the auditory system to degenerate and hearing loss.Generally manifested as a gradual decrease in bilateral high-frequency hearing, and a significant decrease in resolution in a noisy environment.
Sensorineural hearing impairment caused by acute or chronic noise stimulation.The audiogram shows a notch at 4k or 6kHz, and patients often have tinnitus.
A sudden onset of sensorineural hearing loss of unknown cause is currently believed to be related to viral infection and blood vessel blockage.
Hearing loss caused by inner ear damage caused by head trauma, temporal bone fracture, etc.
Some systemic diseases such as hypertension, diabetes, etc.; some special diseases such as auditory neuropathy, Meniere’s disease, large vestibular aqueduct syndrome.
Different medications can be used according to different causes and different stages, such as neurotrophic agents, vasodilators, etc.
For patients who are not suitable for medical treatment and surgical treatment, hearing aids can be used to obtain hearing compensation.
3Cochlear implant surgery
It is suitable for extremely deaf patients who are not effective in wearing hearing aids.
Written by: Sun Panwei from China
Audit: Made in China