Research Article

Effect of steroid therapy on saccule and semicircular canals function in patients with unilateral sudden sensorineural hearing loss


Background and Aim: In unilateral sudden sensorineural hearing loss (SSNHL), the vestibular system may be involved in addition to the auditory system. Several hearing assessments have shown that the disease course and the patient's improvement, at least two step of vestibular assessments can help in better control of the patient's balance function. The aim of this study was to evaluate the results of cervical vestibular evoked myogenic potentials (cVEMP) and video head impulse test (vHIT) used for assessment of saccule and semicircular canals before and after steroid therapy.
Methods: Twenty three patients with SSNHL were evaluated for auditory and vestibular function before and after steroid therapy. The results of cVEMP and vHIT were compared between intact and impaired ears and between pretest/posttest stages before and after treatment.
Results: For 26.08% of patients, the cVEMP response was absent in the affected ear, but after treatment it was reported for all patients. There was a significant difference in vestibulo-ocular reflex (VOR) gain for both posterior and anterior semicircular canals of affected ear before and after treatment, but it was not significantly different after treatment as VOR gain increased.
Conclusion: Dysfunction of nervous and vestibular systems in SSNHL is possible. Steroid therapy can improve the vestibular function and hearing of these patients. Therefore, vestibular evaluation can be used to determine the extent of lesions in SSNHL.

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IssueVol 29 No 1 (2020) QRcode
SectionResearch Article(s)
Unilateral sudden sensorineural hearing loss; vestibular evoked myogenic potentials; saccule; semicircular canals; video head impulse test

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How to Cite
Esmaeili F, Adel Ghahraman M, Hoseinabadi R, Jalaie S, Tajdini A. Effect of steroid therapy on saccule and semicircular canals function in patients with unilateral sudden sensorineural hearing loss. Aud Vestib Res. 2020;29(1):32-38.