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小儿慢性腹泻是一组由不同病因引起的临床综合征,包括有:2周以上的持续性腹泻,营养物质吸收不良,营养不良,免疫功能低下及反复感染等。它们常相互形成恶性循环,严重影响小儿体格与智力的发育,在腹泻病中也是影响病死率的主要原因。小儿慢性腹泻的诊断:慢性腹泻是一组营养疾病。多系由急性感染性腹泻迁延不愈演变而来。有关转变为慢性腹泻的机理研究表明,系感染、少数系持续感染所致的粘膜损害和营养不良引起粘膜上皮延
Chronic diarrhea in children is a group of clinical syndromes caused by different causes, including persistent diarrhea of more than 2 weeks, malabsorption of nutrients, malnutrition, immunocompromised and recurrent infections. They often form a vicious cycle of each other, seriously affecting the physical and mental development of children in diarrhea is also the main cause of mortality. Diagnosis of chronic diarrhea in children: Chronic diarrhea is a group of nutritional diseases. Multi-department from the delay of acute infectious diarrhea evolved. Studies on the mechanism of chronic diarrhea have shown that mucosal damage and malnutrition due to infection and a few persistent infections cause mucosal epithelial extension