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[目的]了解二甲氧基甲烷中毒事故及死亡病例发生的原因,以采取有效的职业病防治措施,避免类似中毒事故再次发生。[方法]详细询问中毒病人的职业史、病史及就诊经过,查阅病人住院病历记录;对作业场所进行职业卫生学调查和职业卫生检测。[结果]作业场所二甲氧基甲烷空气质量浓度为2 271.1 mg/m3;1名患者诊断为亚急性重度中毒性脑病(二甲氧基甲烷),患者经对症治疗2周后无效死亡。[结论]企业主对二甲氧基甲烷的危害性认识不足,未采取有效防护措施是导致本次中毒事故发生的主要原因。
[Objective] To understand the causes of dimethoxymethane poisoning and deaths in order to take effective occupational disease prevention and treatment measures to prevent the recurrence of similar poisoning accidents. [Method] Inquire in detail about occupational history, medical history and treatment of poisoned patients, check patient records of medical records; carry out occupational hygiene survey and occupational health test on workplaces. [Results] The concentration of dimethoxymethane in workplace was 2771.1 mg / m3. One patient was diagnosed as subacute severe toxic encephalopathy (dimethoxymethane), and the patient died after 2 weeks of symptomatic treatment. [Conclusion] The business owners did not know enough about the harm of dimethoxymethane, and the main cause of this poisoning did not take effective protective measures.