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[Fecal alpha 1-antitrypsin clearance in protein-losing enteropathies in pediatrics]
L A Heffes Nahmod1, N Litwin, E Guastavino
1Instituto de Investigaciones Médicas Alfredo Lanari, U.B.A.
Insights
Fecal alpha-1-antitrypsin clearance (A-1-At Cl) is a simpler diagnostic method for pediatric protein-losing enteropathy. Digestive diseases significantly elevate A-1-At Cl compared to controls.
Area of Science:
- Pediatric Gastroenterology
- Clinical Diagnostics
- Biochemical Analysis
Background:
- Protein-losing enteropathy (PLE) in children can be challenging to diagnose.
- Traditional diagnostic methods for PLE are often invasive and costly.
- Fecal alpha-1-antitrypsin clearance (A-1-At Cl) is a potential non-invasive alternative.
Purpose of the Study:
- To evaluate the utility of fecal alpha-1-antitrypsin clearance (A-1-At Cl) in diagnosing pediatric protein-losing enteropathy.
- To compare A-1-At Cl values in children with various digestive diseases against a healthy control group.
Main Methods:
- Fecal alpha-1-antitrypsin clearance (A-1-At Cl) was measured in 47 pediatric patients with digestive diseases (ulcerative colitis, celiac disease, cow milk intolerance, etc.) and 10 controls.
- Statistical analysis was performed to compare A-1-At Cl values between groups.
Main Results:
- Patients with digestive diseases exhibited significantly higher fecal A-1-At Cl than controls (p < 0.05).
- Most children with non-specific diarrhea had A-1-At Cl within the normal range.
- One patient with thalassemia major presented with markedly elevated A-1-At Cl, the cause of which is currently unknown.
Conclusions:
- Fecal alpha-1-antitrypsin clearance (A-1-At Cl) is a valuable, non-invasive, and cost-effective method for diagnosing protein-losing enteropathy in children.
- This method offers a simpler alternative to traditional diagnostic techniques.
Abstract:
Fecal alpha-1-antitrypsin clearance (A-1-At Cl) was performed on 47 pediatric age patients with various digestive diseases: 6 with ulcerative colitis, 5 with celiac disease, 6 with cow milk protein intolerance, 1 with intestinal lymphangiectasia, 1 with non specific diarrhea and the control group was composed of 10 children without digestive disease. The group of patients with digestive disease showed values of fecal A-1-At Cl significantly higher than the control and non specific diarrhea groups (p less than 0.05). Just 1 child with cow milk intolerance had A-1-At Cl within the range of values of the control group x = 2 S.D. All children with non specific diarrhea excepting one had values falling within the control range. The patient with thalassemia major had a very elevated value of A-1-At Cl. The cause of this finding remains unknown at present. The fecal A-1-At Cl. is a non invasive, cost saving, useful and simpler method than the traditional techniques for the diagnosis of protein losing enteropathy in childhood.