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由于推广应用口服补液盐(ORS)及其他治疗方法的改进,急性腹泻的病死率已明显下降。分析现今小儿膜泻死亡病例。发现半数是死于迁延与难治性腹泻及其合并症。为进一步降低小儿腹泻病死率、减低腹泻对小儿生长发育的影响,迁延与难治性腹泻的问题已引起国内外学者的重视,世界卫生组织(WHO)给予关注。1987年12月在日内瓦召开了发展中国家小儿迁延性腹泻(Persistent Diarrhea)的专题学术会议。本文结合国内外情况对迁延与难治性腹泻(Intractable Diarrhea)重点加以讨论。定义与诊断标准由于对迁延与难治性腹泻的研究与报道材料较少,因此定义未作最后确定。1982年5月全国小儿腹泻座谈会建议将腹泻病程2周～2月称为迁延性腹泻,超过2个月称慢性腹泻。归纳国内外材料今提出以下两个诊断标准供参考:
Due to the promotion of oral rehydration salts (ORS) and other treatment improvements, the mortality rate of acute diarrhea has dropped significantly. Analysis of current cases of pediatric diarrhea. Found that half died of persistent and refractory diarrhea and its complications. To further reduce the mortality of children with diarrhea and reduce the impact of diarrhea on the growth and development of children, the problem of persistent and refractory diarrhea has attracted the attention of scholars at home and abroad, and the World Health Organization (WHO) gives attention. December 1987 held in Geneva in developing countries in children with persistent diarrhea (Persistent Diarrhea) of thematic academic conference. This article combines the domestic and international circumstances to discuss the key points of delayed and refractory diarrhea. DEFINITIONS AND DIAGNOSTIC STANDARDS Definitions have not been finalized due to the small amount of research and reporting material on persistent and refractory diarrhea. 1982 May National Pediatric Diarrhea Symposium proposed diarrhea course of 2 weeks to February is called persistent diarrhea, more than 2 months, said chronic diarrhea. At home and abroad to summarize the following two diagnostic criteria proposed for reference: