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在慢性腹泻的诊断和治疗时,常须了解肠吸收功能。血清法 BT—PABA 试验是诊断胰腺分泌功能的可靠、简便指标。本文用该法检测13例慢性腹泻患儿并与正常儿、急性腹泻及营养不良患儿相对照。结果表明,在口服 BT—PABA 后,血清 PABA 测定均值在慢性腹泻组和营养不良组较正常组和急性腹泻组明显降低(P<0.001),而慢性腹泻组与营养不良组间,急性腹泻组与正常组间,均未见显著差异。说明血清 PABA 试验在慢性腹泻呈特异性改变。本文还讨论了血清 PABA 试验原理及在慢性腹泻时变化的机理等。
In the diagnosis and treatment of chronic diarrhea, often need to understand intestinal absorption. Serum BT-PABA test is a reliable, simple indicator of pancreatic secretion. This method was used to detect 13 cases of chronic diarrhea in children with normal children, acute diarrhea and malnutrition in children with control. The results showed that after oral administration of BT-PABA, the mean value of serum PABA was significantly lower in chronic diarrhea group and malnutrition group than in normal group and acute diarrhea group (P <0.001), while chronic diarrhea group and malnutrition group, acute diarrhea group And normal group, no significant differences were found. Serum PABA test showed a specific change in chronic diarrhea. This article also discusses the principle of serum PABA test and changes in chronic diarrhea mechanism.