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The Role of Vestibular Function Tests in Patients with Sudden Sensorineural Hearing Loss Who Have Subclinical Vestibular Dysfunction

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Author(s)
Seung Gon JungJong Won ParkSang Yoon HanSoon Hyung ParkSung Il Nam
Keimyung Author(s)
Park, Soon HyungNam, Sung Il
Department
Dept. of Otorhinolaryngology (이비인후과학)
Journal Title
Korean Journal of Otorhinolaryngology-Head and Neck Surgery
Issued Date
2013
Volume
56
Issue
11
Abstract
Background and Objectives The evaluation of vestibular function is very important for patients with sudden sensorineural hearing loss (SNHL) as it is a well-known prognostic factor. The purpose of this study was to evaluate subclinical vestibular dysfunction (SVD) and its association with prognosis in sudden SNHL patients with and without dizziness using the vestibular function tests.
Subjects and Method Seventy eight patients who had been diagnosed with unilateral sudden SNHL were examined by dividing them into three groups according to their clinical findings such as vestibular function and subjective symptoms: 1) normal, 2) SVD and 3) dizziness. Vestibular dysfunction and hearing recovery rates were also assessed.
Results Patients with SVD accounted for 62.5% of patients even though they did not complain subjective dizziness. The extent of vestibular dysfunction in the dizziness group was greater than that in the SVD group (p=0.05). The hearing recovery rates for normal, SVD and dizziness group were 72% (13/18), 57% (17/30) and 48% (12/25), respectively. The incidence and extent of vestibular dysfunction was greater in patients with severe hearing loss than in those with moderate to severe loss. A significant correlation was noted between hearing recovery rate and vestibular evoked myogenic potential (VEMP) testing. Normal and abnormal VEMP data were associated with good and poor recovery (p=0.001).
Conclusion The evaluation of vestibular function is important in sudden SNHL patients with dizziness; however, SVD also explains a significant proportion of sudden SNHL in the absence of dizziness. Notably, VEMP is useful tools for evaluating prognosis of sudden SNHL.
Alternative Title
잠재적 전정기능 장애를 동반한 돌발성 난청 환자에서 전정기능검사의 역할
Keimyung Author(s)(Kor)
박순형
남성일
Publisher
School of Medicine
Citation
Seung Gon Jung et al. (2013). The Role of Vestibular Function Tests in Patients with Sudden Sensorineural Hearing Loss Who Have Subclinical Vestibular Dysfunction. Korean Journal of Otorhinolaryngology-Head and Neck Surgery, 56(11), 700–705. doi: 10.3342/kjorl-hns.2013.56.11.700
Type
Article
ISSN
2092-5859
DOI
10.3342/kjorl-hns.2013.56.11.700
URI
https://kumel.medlib.dsmc.or.kr/handle/2015.oak/38385
Appears in Collections:
1. School of Medicine (의과대학) > Dept. of Otorhinolaryngology (이비인후과학)
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