江西省首起误食残托鹅膏有环变种毒蘑菇中毒事件调查与鉴定

目的 调查江西省2019年5月一起误食有毒蘑菇引起的中毒事件,并鉴定引起中毒的有毒蘑菇种类。方法 收集中毒事件的流行病学相关资料进行初步判断,对收集的蘑菇样品进行形态学和分子生物学鉴定。结果 流行病学调查发现患者均食用了自行采摘并煮汤的蘑菇,食量不等,平均潜伏期为2.5 h,出现头晕、恶心、呕吐、四肢麻木等症状,经形态学、分子生物学比对鉴定为残托鹅膏有环变种。结论 本事件为江西省报道的首起因误食残托鹅膏有环变种引起的毒蘑菇中毒事件,结合流行病学、形态学、分子生物学等方法可以鉴定引起毒蘑菇事件的蘑菇种类,提示江西省毒蘑菇中毒形势依然严峻,相关部门应加强防控。

Investigation and identification of the first mushroom poisoning case caused by Amanita sychnopyramis f. subannulata in Jiangxi

Objective To investigate and identify a case caused by mushroom poisoning in May 2019 in Jiangxi Province. Methods The case was studied with the epidemiological information, clinical data, and suspicious mushroom samples were identified by morphological and molecular studies. Results The epidemiological information showed that all the patients had eaten different quantity of mushrooms which were picked and boiled by themselves, the average incubation period was 2.5 hours, and the symptoms of dizziness, gastrointestinal discomfort, vomiting, numbness of limbs and so on had existed orderly of the patients. The morphological and molecular studies identified the samples were Amanita sychnopyramis f. subannulata. Conclusion The incident was the first reported case caused by Amanita sychnopyramis f. subannulata in Jiangxi Province. The poisonous mushroom species can be identified combined with epidemiology, morphology and molecular studies. The situation of s mushroom poisoning in Jiangxi Province is still serious and the relevant departments should strengthen prevention and control.