Otosclerosis

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Otosclerosis is the buildup of spongy or bone-like tissue in the middle ear that prevents the ossicles, namely the stapes in the middle ear, from working properly. The impaired movement and function reduce the sound that actually reaches the ear. Otosclerosis usually results in conductive hearing loss, a hearing loss caused by a problem in the outer or middle ear.   If the buildup of tissue spreads to the inner ear, it is called Cochlear Otosclerosis.

Cochlear Otosclerosis can cause permanent sensorineural hearing impairment due to interference with how the nerves in this part of the ear work. Scientists aren’t sure about the exact cause but there is some research suggesting a relationship between otosclerosis and the hormonal changes associated with pregnancy and also with viruses.Treatment for people who are diagnosed with otosclerosis depends on the extent of hearing loss and may include surgery to replace some or all of the ossicles with artificial ones. It is important to discuss the risks and possible complications of this and any procedure, as well as the benefits, with a doctor and a surgeon. If the hearing loss is mild, surgery may not be an option but a properly fitted hearing aid may help some people with otosclerosis. A hearing aid is designed to compensate for a hearing loss by amplifying sound.