一起断肠草引起食物中毒的调查报告

Investigation and analysis of a food poisoning caused by ingestion of Gelsemiumelegans

目的核实2013年阳春市某镇外来种植桉树农民工食物中毒情况,查明病因,提高应对断肠草中毒的防控能力。方法通过中毒发生地现场访谈了解情况,采用病例对照研究方法开展调查,并采集相关样品进行实验室检测及相关动物实验。结果本次事件11人发病,其中死亡2人,病例以头晕、视物模糊、口干等症状为主,死亡病例另有抽搐、口吐白沫、休克等症状,病例均是饮用了自制药材泡酒的云南籍桉树种植农民工。从喝剩的两瓶药酒中均检出钩吻生物碱,并且从两瓶药酒的药渣中鉴别出断肠草的根茎,提示断肠草为本次中毒的可能危险因素。结论此次饮酒中毒事件系自制药材泡酒中含有钩吻碱而导致,疑为制作者辨识当地草药能力差,导致草药原材料混入断肠草根茎而引起饮酒者中毒,并最终导致2人死亡,停止饮用后无病例发生。

Objective To investigate the cause of food poisoning among the migrant eucalypts （gum trees） planting workers in a town of Yangchun City in 2013. Furthermore, to improve the ability of preventing the Gelsemiumelegans Benth caused poisoning. Methods Epidemiological investigation and case control study were carried out to investigate the case. In addition, related samples were collected to be tested in laboratory with animals. Results In this case, 11 people were found to be sick, 2 of them were dead. The major symptoms were dizziness, blurred vision and dry mouth. Additionally, twitching, foaming at the mouth, shock and other symptoms were found in the death cases. All the suffererswere reported to have drunk the medicinal liquormade by themselves. In the rest of the homemade medicinal liquor samples, Gelsemiumelegans Benthhas was detected, and the plant residualsin liquor were identified as Gelsemiumelegans stems. Conclusion This case of food poisoning was caused by drinking the homemade medicinal liquormixed with Gelsemiumelegans. It is suspected that the Gelsemiumelegans was mistakenly mixed with other materials for the medicinal liquor due to the low ability of herb distinguishing, which finally led 2 people dead. Supportively, no further cases were reported since stop drinking such medicinal liquor.