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腹泻是一组由多病原、多因素引起的以大便次数增多和大便性状改变为主要表现的儿科常见病。国内腹泻在小儿中的发病率仅次于呼吸道感染,居第二位[1]。近年来,随着人民生活水平的提高和经济的发展,婴幼儿腹泻的发生率有所下降,但由于抗生素滥用等原因,有近3%~20%的腹泻发展成慢性腹泻或迁延性腹泻,严重影响婴幼儿的健康和成长。世界卫生组织统计得知,慢性腹泻的病死率达到15%[2],占全部腹泻死
Diarrhea is a group of common pediatric diseases caused by multi-pathogenic and multifactorial factors with the increase of stool frequency and the change of stool characteristics. Domestic diarrhea in children after the incidence of respiratory infections, ranking second [1]. In recent years, with the improvement of people’s living standards and economic development, the incidence of diarrhea in infants and young children has declined. However, about 3% to 20% of diarrhea develop into chronic diarrhea or persistent diarrhea due to abuse of antibiotics, Seriously affect the health and growth of infants and young children. WHO statistics show that the mortality rate of chronic diarrhea reached 15% [2], accounting for all of the diarrhea died