Impact of air pollution on benign paroxysmal positional vertigo incidence: a retrospective study of the citizens of Seoul, South Korea
- Authors
- Mun, Seog-Kyun; Oh, Seung Ri; Yang, Bo Ram; Oh, Seung-Ha; Chang, Munyoung
- Issue Date
- Jul-2021
- Publisher
- SPRINGER HEIDELBERG
- Keywords
- Benign paroxysmal positional vertigo; Air pollution; Nitrogen dioxide; Inner ear; Seoul; South Korea
- Citation
- ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH, v.28, no.25, pp 33382 - 33389
- Pages
- 8
- Journal Title
- ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
- Volume
- 28
- Number
- 25
- Start Page
- 33382
- End Page
- 33389
- URI
- https://scholarworks.bwise.kr/cau/handle/2019.sw.cau/62351
- DOI
- 10.1007/s11356-021-13105-3
- ISSN
- 0944-1344
1614-7499
- Abstract
- Benign paroxysmal positional vertigo (BPPV) is among the most common inner ear diseases. Although BPPV is one of the most common causes of dizziness, its pathogenesis remains unknown. Air pollutants might reach the middle ear through the eustachian tube and be absorbed into the inner ear through the round window membrane, increasing the risk of BPPV. We investigated the relationship between air pollution and BPPV risk. Data were extracted from the Korean Health Insurance Review and Assessment Service database, which contains health claims information of the entire South Korean population. Variables of interest included the number of patients diagnosed with BPPV in Seoul, South Korea, patients' clinical and demographic characteristics, and osteopenia status. Seoul's daily air pollution indicators, including SO2, CO, O-3, NO2, PM10, and PM2.5, were obtained from the Korea Environment Corporation website. Overdispersed Poisson regression analysis was performed. In the multivariable analysis, NO2 air concentration (ppb) was associated with increased incidence of BPPV. In analysis stratified by gender, levels of NO2 were associated with increased incidence of BPPV in both men and women. In the analysis stratified by age, NO2 air concentration was associated with increased incidence of BPPV among all adults over the age of 19 years. In the analysis stratified by osteopenia status, NO2 was associated with increased incidence of BPPV in patients with and without osteopenia. Air levels of NO2 were associated with increased incidence of BPPV in the present study. This finding contributes toward a better understanding of BPPV pathogenesis and improved prevention and management of this condition.
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