Annals of Occupational and Environmental Medicine

Case Report

Seven Cases of Respiratory Symptoms Caused by Acute Ozone Exposure from an Electronics Company: Yong Jun Kwon, Kuck Hyun Woo, Jin Seok Kim, Seong Yong Yoon, In Ung Song, Jay Young Yu, Seong Yong Cho; Korean Journal of Occupational and Environmental Medicine 2012;24(4):449-459. Published online December 31, 2012; DOI: https://doi.org/10.35371/kjoem.2012.24.4.449

BACKGROUND
Ozone is a colorless, pungent, and highly reactive gas. It can cause headaches, burning eyes, irritation to the respiratory passages, and dyspnea. This article describes cases of respiratory difficulty associated with acute ozone exposure from an electronics company that manufactures touchscreen.
CASE
REPORT: Seven young female workers visited the Department of Occupational and Environmental Medicine, complaining of cough, dyspnea, and chest discomfort that started within two days at work processing a touchscreen with ozone (0.103 ppm ozone detected in the their workplace). Other; symptoms observed included rhinorrhea, headaches, and dizziness. There was a temporary improvement in symptoms upon taking a day off, but their symptoms deteriorated upon continuing work again-suggesting the ozone exposure in their work environment was responsible for their symptoms. The results of pulmonary function and blood laboratory tests were normal; however, laryngoscopy and nasal endoscopy identified three cases of inflammation on laryngeal, intranasal, or vocal cord regions.
CONCLUSIONS
Based on the levels of ozone detected in the workplace and clinical symptoms presented, we conclude that the respiratory symptoms in these cases were caused by excessive ozone exposures.

Citations

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A Study of Ozone Variations in a Semiconductor Fabrication Facility and Office Related to the Ozone Concentration in the Outdoor Air
Ji-Eun Lee, Myung-Koo Jung, Kwang-Min Choi
Journal of Korean Society of Occupational and Environmental Hygiene.2016; 26(2): 188. CrossRef

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