PMID: 6970702Apr 1, 1981Paper

Random fecal alpha-1-antitrypsin concentration in children with gastrointestinal disease

Gastroenterology
D W ThomasR J Merritt

Abstract

Random fecal alpha-1-antitrypsin concentration was measured in children with various gastrointestinal diseases and in normal subjects. One hundred fifteen subjects were evaluated: controls (39); chronic inflammatory bowel disease (20); chronic diarrhea (18); acute gastroenteritis (17); allergic gastroenteropathy (5); chronic pancreatic exocrine insufficiency (4); acute gastrointestinal bleeding (4); nonspecific colitis (4); celiac disease (3); and intestinal lymphangiectasia (1). Mean fecal-alpha-1-antitrypsin for the controls was 0.98 mg/g lyophilized stool. All children with celiac disease, allergic gastroenteropathy, lymphangiectasia, nonspecific colitis, acute gastrointestinal bleeding, and 19 of 20 patients with active chronic inflammatory bowel disease had fecal alpha-1-antitrypsin concentrations greater than 2.6 mg/g stool (mean of the controls + 2 SD). These disorders have all been previously documented to cause protein-losing enteropathy by 51Cr-labeled albumin excretion tests. The other study patients had normal fecal alpha-1-antitrypsin excretion when compared with controls. Serial fecal antitrypsin concentrations paralleled disease activity and clinical response to therapy. The results suggest that random fecal anti...Continue Reading

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