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KMID : 0361020140570120826
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Korean Journal of Otolaryngology - Head and Neck Surgery
2014 Volume.57 No. 12 p.826 ~ p.829
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The Relationship of Intra-Annual Distribution of Sudden Sensorineural Hearing Loss versus Meteorological Parameters
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Oh Hun-Jae
Choi Ji-Yun
Cho Sung-Il
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Abstract
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Background and Objectives: The influence of specific meteorological conditions, such as temperature, wind velocity, fine dust and their co-variation on the incidence of idiopathic sudden sensorineural hearing loss (ISSHL) has been rarely investigated. Aiming at better predictions of the seasonal variation of ISSHL, we investigated variations in the monthly incidence of ISSHL and meteorological parameters.
Subjects and Method: One-hundred-five patients who had been diagnosed with ISSHL were analyzed. Monthly incidence counts were analyzed for incidence distributions throughout the year. The incidence counts were investigated according to age groups and hearing recovery. The relationship between intra-annual distribution of ISSHL and meteorological parameters was compared.
Results: The highest of monthly incidence was found in March and April. Intra-annual distribution of ISSHL was well correlated with daily temperature range, wind velocity and fine dust. The incidence of ISSHL was significantly correlated to fine dust. The distribution of age group and hearing recovery of ISSHL in March and April were not different with the rest of the year.
Conclusion: We concluded that ISSHL incidences are significantly related to seasonal variation and the highest is found in March and April. This provides valuable information for clinicians, creating an awareness of periods of potentially increased risk.
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KEYWORD
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Hearing loss, Season, Sudden
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