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Increased protein absorption after acute gastroenteritis in children
S Holm1, Y Andersson, L Gothefors
1Department of Paediatrics, University Hospital, Umeå, Sweden.
Insights
Children
Area of Science:
- Pediatric Gastroenterology
- Immunology
- Nutrition
Background:
- Acute gastroenteritis, particularly rotavirus infections, is common in children.
- Gut barrier function can be compromised during and after infections.
- Understanding post-infectious intestinal changes is crucial for child health.
Purpose of the Study:
- To investigate the intestinal absorption of human alpha-lactalbumin in children during and after acute gastroenteritis.
- To assess if rotavirus gastroenteritis affects protein absorption in the long term.
Main Methods:
- Studied 20 children in the acute phase of gastroenteritis (17 with rotavirus).
- Re-evaluated 11 children in the convalescent phase (5-8 weeks post-illness).
- Measured serum concentrations of human alpha-lactalbumin.
Main Results:
- Serum human alpha-lactalbumin concentrations were similar in the acute phase compared to controls.
- Significantly higher serum concentrations were observed in the convalescent phase (p < 0.001).
- Convalescent phase concentrations were also higher than acute phase concentrations (p = 0.021).
Conclusions:
- Rotavirus gastroenteritis may lead to increased intestinal absorption of proteins.
- Enhanced protein absorption persists for 5-8 weeks after infection.
- Suggests a potential long-term impact on gut permeability post-gastroenteritis.
Abstract:
We investigated the intestinal absorption of the macromolecule human alpha-lactalbumin during and after an episode of acute gastroenteritis in children. Twenty children were studied in the acute phase and 17 excreted rotavirus. Eleven children were studied again 5-8 weeks later (convalescent phase). Human alpha-lactalbumin serum concentrations in the acute phase were similar but in the convalescent phase they were significantly (p less than 0.001) higher than those in the reference children. The serum concentrations were also higher in the convalescent than in the acute phase (p = 0.021). This study suggests that there is an increased absorption of proteins from the gut into the circulation 5-8 weeks after rotavirus gastroenteritis.