Res Vestib Sci.  2024 Mar;23(1):11-15. 10.21790/rvs.2024.001.

Comparison of vestibular evoked myogenic potentials between low and high tone idiopathic sudden sensorineural hearing loss

Affiliations
  • 1Department of Otorhinolaryngology, Gyeongsang National University Hospital, Gyeongsang National University College of Medicine, Jinju, Korea
  • 2Department of Otorhinolaryngology, Gyeongsang National University Changwon Hospital, Gyeongsang National University College of Medicine, Changwon, Korea
  • 3Institute of Health Sciences, Gyeongsang National University, Jinju, Korea

Abstract


Objectives
Vestibular evoked myogenic potentials (VEMP) have been reported to be useful in evaluating not only vestibular function but also the prognosis of idiopathic sudden sensorineural hearing loss (ISSNHL) patients. Even though low frequency, high frequency, and all frequency-involved ISSNHL groups tend to show varied clinical characteristics, there is a lack of data using VEMP results to analyze these subgroups. We investigated if the VEMP test is a valuable tool to predict recovery from hearing loss in association with different frequencies.
Methods
A total of 26 ISSNHL patients were divided into three different groups impaired with low tone (ascending type), high tone (descending type), and all tones (flat type) based on the initial audiograms. Each group included five, 10, and 11 patents, respectively, and their VEMP results were compared between the three subgroups.
Results
Abnormal VEMP results were found in five of the total 26 ISSNHL patients (19.2%). Two (40.0%), one (10.0%), and two (18.1%) patients of low tone, high tone, and all tone hearing loss groups, respectively, showed abnormal VEMP results. However, there was no statistically significant difference between the three groups.
Conclusions
Even though VEMP is known as a valuable tool for predicting the prognosis of ISSNHL patients, it does not seem to reflect frequency-sensitive aspects of ISSNHL.

Keyword

Sudden hearing loss; Sensorineural hearing loss; Vestibular evoked myogenic potentials
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