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Is Asymmetric Hearing Loss a Risk Factor for Vestibular Dysfunction? Lesson From Big Data Analysis Based on the Korean National Health and Nutrition Survey

 Michelle Jee Young Suh  ;  Hee Jun Yi  ;  Hyun Jung Kim  ;  Sung Huhn Kim 
 OTOLOGY & NEUROTOLOGY, Vol.40(10) : 1339-1345, 2019 
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OBJECTIVE: The purpose of this study was to investigate whether asymmetric hearing loss affects vestibular function. STUDY DESIGN: Retrospective cross-sectional study. PATIENTS: Data from the 2010 Korean National Health and Nutrition Survey for adults aged 40 years or more were used. INTERVENTIONS: The modified Romberg test and pure-tone audiometry were performed. Data were analyzed using a complex sample χ test of independence and complex sample logistic regression analysis. MAIN OUTCOME MEASURES: Vestibular dysfunction and hearing thresholds. RESULTS: The overall prevalence of vestibular dysfunction was 3.3% (95% confidence interval [CI], 2.5-4.3%). In adults more than 40 years of age, multivariate linear regression analyses showed that the odds ratio (OR) of vestibular dysfunction was 3.067 times higher than the reference for a 30-dB difference in hearing thresholds between both ears (CI, 1.481-6.351; p = 0.007) after adjusting for factors associated with vestibular dysfunction. Among these individuals, the risk of equilibrium disturbance was higher in the presence of low-frequency asymmetric hearing loss (OR, 2.148; CI, 1.216-3.793; p = 0.009); on the other hand, high-frequency asymmetry did not lead to a higher risk. CONCLUSIONS: As low-frequency asymmetric hearing thresholds tend to coexist with vestibular dysfunction in adults, those with asymmetric hearing loss should be closely monitored.
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1. College of Medicine (의과대학) > Dept. of Otorhinolaryngology (이비인후과학교실) > 1. Journal Papers
Yonsei Authors
Kim, Sung Huhn(김성헌)
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