Labyrinthitis
Definition
Acute infection of the inner ear resulting in vertigo and hearing loss
Aetiology
Clinical Features
Investigations
Treatment
Source
Toronto Notes 2012
Acute infection of the inner ear resulting in vertigo and hearing loss
Aetiology
- Serous (viral) or purulent (bacterial)
- Occurs as a complication of acute and chronic otitis media, bacterial meningitis, cholesteatoma, and temporal bone fractures
- Bacterial: S. pneumoniae, H, influenzae, M. catarrhalis, P. aeruginosa, P. mirabilis
- Viral: rubella, CMV, measles, mumps, varicella zoster
Clinical Features
- Sudden onset of vertigo, nausea, vomiting, tinnitus, and unilateral hearing loss, with no associated fever or pain
- Meningitis is a serious complication
Investigations
- CT head
- If meningitis is suspected: lumbar puncture, blood cultures
Treatment
- Treat with IV antibiotics, drainage of middle ear ± mastoidectomy
Source
Toronto Notes 2012