Sensorineural hearing loss in stapedial otosclerosis. 1984

G G Browning, and S Gatehouse

Controversy exists as to whether individuals with stapedial otosclerosis have elevated bone conduction thresholds due to cochlear involvement by the focus. A comparison was made between the Carhart-corrected bone conduction thresholds in 45 unoperated, non-noise-exposed individuals with stapedial otosclerosis and the thresholds in a matched random sample of the population with no conductive hearing loss. No consistent, significant difference was discerned. It is considered that individuals with stapedial otosclerosis do not in general have elevated bone conduction thresholds compared with control subjects. However, there was a suggestion that there may be a small, progressive elevation of bone conduction thresholds in older patients.

UI MeSH Term Description Entries
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D010040 Otosclerosis Formation of spongy bone in the labyrinth capsule which can progress toward the STAPES (stapedial fixation) or anteriorly toward the COCHLEA leading to conductive, sensorineural, or mixed HEARING LOSS. Several genes are associated with familial otosclerosis with varied clinical signs. Otospongiosis,Otoscleroses,Otospongioses
D011446 Prospective Studies Observation of a population for a sufficient number of persons over a sufficient number of years to generate incidence or mortality rates subsequent to the selection of the study group. Prospective Study,Studies, Prospective,Study, Prospective
D001844 Bone Conduction Transmission of sound waves through vibration of bones in the SKULL to the inner ear (COCHLEA). By using bone conduction stimulation and by bypassing any OUTER EAR or MIDDLE EAR abnormalities, hearing thresholds of the cochlea can be determined. Bone conduction hearing differs from normal hearing which is based on air conduction stimulation via the EAR CANAL and the TYMPANIC MEMBRANE. Bone Conduction Hearing,Conduction Hearing, Bone,Conduction, Bone,Hearing, Bone Conduction
D004429 Ear Ossicles A mobile chain of three small bones (INCUS; MALLEUS; STAPES) in the TYMPANIC CAVITY between the TYMPANIC MEMBRANE and the oval window on the wall of INNER EAR. Sound waves are converted to vibration by the tympanic membrane then transmitted via these ear ossicles to the inner ear. Auditory Ossicles,Auditory Ossicle,Ear Ossicle,Ossicle, Auditory,Ossicle, Ear,Ossicles, Auditory,Ossicles, Ear
D005260 Female Females
D006319 Hearing Loss, Sensorineural Hearing loss resulting from damage to the COCHLEA and the sensorineural elements which lie internally beyond the oval and round windows. These elements include the AUDITORY NERVE and its connections in the BRAINSTEM. Deafness Neurosensory,Deafness, Neurosensory,Deafness, Sensoryneural,Neurosensory Deafness,Sensorineural Hearing Loss,Sensoryneural Deafness,Cochlear Hearing Loss,Hearing Loss, Cochlear,Deafnesses, Neurosensory,Deafnesses, Sensoryneural,Neurosensory Deafnesses,Sensoryneural Deafness,Sensoryneural Deafnesses
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults

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