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KMID : 1013220080060020099
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Jouranl of the Korean Society of Clinical Toxicology
2008 Volume.6 No. 2 p.99 ~ p.103
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A one-year Follow-up Study of Patients Exposed to Chlorine Gas
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Kwon-Hyuk Sool
Ahn Hee-Cheol
Son Yoo-Dong
Ahn Ji-Yun
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Abstract
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Purpose: Chlorine gas is a common irritant that usually causes mild respiratory symptoms. One severe symptom, RADS (Reactive Airway Dysfunction Syndrome), is not well known to physicians. We analyzed the clinical features of chlorine gas exposure.
Methods: We prospectively collected 25 cases of chlorine gas exposure near our emergency center on January 10th, 2007, and analyzed demographic data, event-to-ER interval, symptoms, and laboratory results based on medical records.
Results: Only 2 patients out of 25 were admitted because of severe symptoms, the rest were discharged without complications. Sixty percent of them visited the ER within 12 h of exposure. The most common symptoms were chest discomfort (60%), headache (40%), nausea (40%), throat irritation (26%), and cough (32%). Two out of eight dyspnea cases showed abnormal pulmonary function, but only one case was diagnosed as RADS.
Conclusion: Most symptoms after chlorine gas exposure can be treated conservatively. However, patients with chlorine exposure should be followed up long term for delayed complications.
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KEYWORD
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Chlorine, Environmental Exposure, Hypersensitivity
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