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Cryptosporidium, malnutrition, and chronic diarrhea in children
S Sallon1, R J Deckelbaum, I I Schmid
1Kuvin Center for the Study of Infectious and Tropical Diseases, Hebrew University Hadassah Medical School, Jerusalem, Israel.
Insights
Cryptosporidium is a common cause of diarrhea in hospitalized children, particularly those who are malnourished. This parasitic infection can prolong diarrhea, especially in severely malnourished children, highlighting its impact on child health in developing regions.
Area of Science:
- Pediatrics
- Infectious Diseases
- Public Health
Background:
- Cryptosporidium is a significant cause of childhood diarrhea globally.
- The interplay between malnutrition and parasitic infections in children requires further investigation.
Purpose of the Study:
- To determine the prevalence of Cryptosporidium in hospitalized children with diarrhea.
- To assess the association between Cryptosporidium infection, malnutrition, and diarrhea severity and duration.
Main Methods:
- Stool samples were analyzed for Cryptosporidium in hospitalized children with diarrhea.
- Nutritional status was assessed based on weight-for-age percentiles.
- Diarrhea duration was compared between infected and non-infected children, stratified by malnutrition severity.
Main Results:
- Cryptosporidium was identified in 13.5% of hospitalized children, making it the most prevalent pathogen.
- Children with Cryptosporidium were significantly more malnourished and experienced longer diarrhea episodes (63 vs. 32 days) if severely malnourished.
- In better-nourished outpatients, prevalence was lower (5.2%) with less severe illness.
Conclusions:
- Cryptosporidium is a major pathogen in both acute and chronic childhood diarrhea in less-developed areas.
- The parasite likely plays a crucial role in the synergistic relationship between diarrhea and malnutrition in children.
- Findings underscore the importance of addressing parasitic infections in pediatric malnutrition interventions.
Abstract:
Cryptosporidium was found in the stools of 13.5% of 221 children hospitalized with diarrhea. It was the single most prevalent pathogen isolated. Children with Cryptosporidium-positive stools were significantly more malnourished than children in whom Cryptosporidium was not detected. Children with more severe malnutrition (ie, less than 50% of their expected weight) and with Cryptosporidium in their stools had a significantly longer duration of diarrhea than similarly malnourished children without Cryptosporidium (63 vs 32 days, respectively). In 77 better-nourished outpatients with diarrhea, Cryptosporidium was found in only 5.2% of cases and was associated with less-severe illness. Our findings are consistent with the hypothesis that in less-developed areas, Cryptosporidium is a major pathogen, not only in acute but also in chronic childhood diarrhea, and may play an important role in the interaction between diarrhea and malnutrition.