Article

Prognosis of patients with idiopathic sudden hearing loss: role of vestibular assessment.

ENT Department, Hippocration Athens Hospital, University of Athens, Athens, Greece.
The Journal of Laryngology & Otology (impact factor: 0.6). 11/2010; 125(3):251-7. DOI:10.1017/S0022215110002082 pp.251-7
Source: PubMed

ABSTRACT To evaluate the correlation between caloric and vestibular evoked myogenic potential test results, initial audiogram data, and early hearing recovery, in patients with idiopathic sudden hearing loss.
One hundred and four patients with unilateral idiopathic sudden hearing loss underwent complete neurotological evaluation. Results for vestibular evoked myogenic potential and caloric testing were compared with patients' initial and final audiograms.
Overall, abnormal vestibular evoked myogenic potential responses occurred in 28.8 per cent of patients, whereas abnormal caloric test results occurred in 50 per cent. A statistically significant relationship was found between the type of inner ear lesion and the incidence of profound hearing loss. Moreover, a negative correlation was found between the extent of the inner ear lesion and the likelihood of early recovery.
In patients with idiopathic sudden hearing loss, the extent of the inner ear lesion tends to correlate with the severity of cochlear damage. Vestibular assessment may be valuable in predicting the final outcome.

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Keywords

abnormal caloric test results
 
abnormal vestibular evoked myogenic potential responses
 
caloric testing
 
cent
 
cochlear damage
 
complete neurotological evaluation
 
correlate
 
final outcome
 
hearing recovery
 
idiopathic sudden hearing loss
 
inner ear lesion
 
negative correlation
 
patients
 
patients' initial
 
profound hearing loss
 
statistically significant relationship
 
unilateral idiopathic sudden hearing loss
 
Vestibular assessment
 
vestibular evoked myogenic potential
 
vestibular evoked myogenic potential test results
 

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