二甲氧基甲烷中毒死亡病例的调查报告

Investigation report on a death case of dimethoxymethane poisoning

[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 investigate an acute dimethoxymethane （DMM） poisoning accident, analyze causes of death, and put forward preventive measures to avoid similar poisoning accidents. [ Methods ] Patients＇ information was collected using questionnaires, such as occupational history, medical history, and corresponding diagnosis and treatment for the current DMM poisoning, and in-patient medical records were reviewed. In addition, a field investigation on occupational health hazards was conducted where the accident was located. [ Results ] The air concentration of DDM in the accident site was 2271.1 mg/m^3. One patient was diagnosed with subacute severe toxic encephalopathy （DDM）, and died after symptomatic treatment for two weeks. [ Conclusion ] The main cause of the poisoning accident lies in absence of effective protective measures due to the employers＇ lack of awareness of potential hazards of DDM.