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Published on: June 24, 2020
THE PATHOGENESIS OF ACUTE DIARRHOEAL DISEASE IN EARLY LIFE
Insights
Malnutrition and diarrheal disease in Guatemalan children were linked to an overgrowth of gut bacteria, not typical pathogens. This bacterial imbalance may cause diarrhea in malnourished children.
Area of Science:
- Pediatric Gastroenterology
- Infectious Diseases
- Nutritional Science
Background:
- Childhood mortality in Guatemala City highlighted the need to investigate links between malnutrition, enteric infections, and diarrheal disease.
- Malnutrition and diarrhea were prevalent issues within the studied pediatric population.
Purpose of the Study:
- To explore potential correlations between malnutrition, enteric infection, and diarrheal disease in deceased children.
- To identify etiological factors contributing to diarrheal disease in malnourished children.
Main Methods:
- Investigated consecutive child deaths in Guatemala City.
- Assessed the presence and quantity of enteric pathogens.
- Examined jejunal mucosal biopsies for inflammatory reactions and bacterial populations.
Main Results:
- Enteric pathogens were not found in sufficient numbers to be the primary cause of diarrhea.
- Children with malnutrition and diarrhea, unassociated with enteric pathogens, exhibited non-ulcerative jejunal inflammation.
- An abnormally large population of unrecognized bacteria was identified in the jejunum of affected children.
Conclusions:
- The overgrowth of non-pathogenic bacteria in the jejunum may be responsible for diarrhea in malnourished children.
- Short-term treatment should include antibiotics, fluids, and electrolytes.
- Long-term management requires improving the nutritional standards of affected children.
Abstract:
Consecutive deaths of children in Guatemala City were investigated with a view to discovering possible correlations between malnutrition, enteric infection and diarrhoeal disease. Malnutrition and diarrhoeal disease were common in this childhood population. It was found that enteric pathogens did not occur in large enough numbers to constitute a major cause of diarrhoeal disease. Children with malnutrition and diarrhoeal disease not associated with enteric pathogens were noted to have a non-ulcerative inflammatory reaction in the jejunal mucosa. The jejunum of these children contained an abnormally large population of bacteria, not recognized as bacterial pathogens, and whose presence may be the basis of diarrhoeal disease in children suffering from malnutrition.The author suggests that diarrhoeal disease in association with malnutrition be treated with antibiotics, fluids and electrolytes as a short-term measure, and by raising the nutritional standard as a long-term measure.
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