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KMID : 1021120120240040449
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Korean Journal of Occupational and Environmental Medicine
2012 Volume.24 No. 4 p.449 ~ p.459
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Seven Cases of Respiratory Symptoms Caused by Acute Ozone Exposure from an Electronics Company
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Kwon Yong-Jun
Woo Kuck-Hyeun
Kim Jin-Seok
Yoon Seong-Yong
Song In-Woong
Yu Jay-Young
Cho Seong-Yong
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Abstract
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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.
Conclusion: 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.
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KEYWORD
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Ozone, Cough, Dyspnea
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