labyrinthine concussion

labyrinthine concussion

ENT Trauma implicated in peripheral vestibular damage, often associated with variable hearing loss due to blunt head trauma or barotrauma; vestibular and auditory complaints are usually transient; spontaneous resolution is the norm; persistent Sx are attributed to 2º endolymphatic hydrops; labyrinthine hemorrhage may trigger inflammation, leading to fibrosis and ossification, ergo audiovestibular dysfunction. See Concussion.
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In approximately 20% of patients, the condition is secondary to a labyrinthine concussion, chronic suppurative otitis media, or ear surgery--stapes surgery, in particular.