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Two cases of methyl alcohol intoxication by sub-chronic inhalation and dermal exposure during aluminum CNC cutting in a small-sized subcontracted factory

Title
Two cases of methyl alcohol intoxication by sub-chronic inhalation and dermal exposure during aluminum CNC cutting in a small-sized subcontracted factory
Authors
Ryu J.Lim K.H.Ryu D.-R.Lee H.W.Yun J.Y.Kim S.-W.Kim J.-H.Jung-choi K.Kim H.
Ewha Authors
임기환이향운류동열최경희윤지영김현주
SCOPUS Author ID
임기환scopus; 이향운scopus; 류동열scopus; 최경희scopus; 윤지영scopusscopus; 김현주scopus
Issue Date
2016
Journal Title
Annals of Occupational and Environmental Medicine
ISSN
2052-4374JCR Link
Citation
vol. 28, no. 1
Keywords
Metabolic acidosisMethyl alcohol intoxicationOptic neuropathyVulnerable workers
Publisher
BioMed Central Ltd.
Indexed
SCOPUS scopus
Abstract
Background: Methyl alcohol poisoning has been mainly reported in community. Two cases of methyl alcohol poisoning occurred in a small-sized subcontracted factory which manufactured smartphone parts in Korea. Case presentation: One young female patient presented with dyspnea and visual disturbance. Another young male patient presented with visual disturbance and myalgia. They treated with sodium bicarbonate infusion and hemodialysis for metabolic acidosis. In addition, he received ethyl alcohol per oral treatment. Her and his urinary methyl alcohol concentration was detected as 7.632 mg/L, 46.8 mg/L, respectively, although they were treated hemodialysis. Results of the working environment measurement showed that the concentration of methyl alcohol (1030.1-2220.5 ppm) in the air exceeded the time weighted average (200 ppm). They were diagnosed with optic neuropathy due to methyl alcohol poisoning and still have visual impairment. Conclusions: Workers who hired as dispatched employees in a small-sized subcontracted factory were exposed to high concentrations of methyl alcohol. The workplace had poor ventilation system. In addition, workers did not wear proper personal protect equipment. Working environment measurement and annual chekups for workers were not performed. They were in a blind spot to occupational safety and health. More attention is needed to protect vulnerable workers' health. © The Author(s).
DOI
10.1186/s40557-016-0153-9
Appears in Collections:
의학전문대학원 > 의학과 > Journal papers
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