百草枯(Paraquat)又名克芜踪,是一种使用广泛、高效高毒的农用除草剂,人口服百草枯致死量为30~40mg/kg〔1〕,可引起消化道黏膜糜烂出血、肺间质纤维化、肝功能衰竭、心脏损害及急性肾功能衰竭等多器官损害,因其缺乏特效解毒剂,常规治疗效果差,临床病死率高达75%〔2〕。我院自20 Paraquat (also known as gram Wu trace), is a widely used, highly effective and highly toxic agricultural herbicides, oral paraquat lethal dose of 30 ~ 40mg / kg 〔1〕, can cause gastrointestinal mucosal erosion bleeding, lung Interstitial fibrosis, liver failure, heart damage and acute renal failure and other organ damage, because of its lack of special antidote, conventional treatment is poor, the clinical mortality rate as high as 75% [2]. My hospital since 20