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Giardiasis in infancy diarrhoea
Archives of Disease in Childhood
|September 1, 1980
Insights
Giardia lamblia infection affects 6% of infants under one year with diarrhea, with higher rates in itinerant infants. Younger infants may experience severe symptoms but respond better to metronidazole treatment.
Area of Science:
- Pediatrics
- Infectious Diseases
- Gastroenterology
Background:
- Diarrhea is a common ailment in infants.
- Giardia lamblia is a known protozoan parasite causing gastrointestinal illness.
- Understanding the incidence and impact of Giardia lamblia in infants is crucial for public health.
Purpose of the Study:
- To determine the prevalence of Giardia lamblia infection in infants under one year presenting with diarrhea.
- To investigate the relationship between infant housing (housed vs. itinerant) and Giardia lamblia incidence.
- To explore the clinical presentation and treatment response in relation to infant age.
Main Methods:
- A cohort of 435 infants under one year with diarrhea was studied.
- Diagnostic methods included examination of duodenal fluid and fecal samples.
- Infant age and housing status were recorded.
Main Results:
- Overall Giardia lamblia prevalence was 6% among infants with diarrhea.
- Incidence was higher in itinerant infants (12%) compared to housed infants (3%).
- Infants under 12 weeks with Giardia lamblia infection showed severe diarrhea but a better response to metronidazole.
Conclusions:
- Giardia lamblia is a significant pathogen in infants experiencing diarrhea, particularly in itinerant populations.
- Age is a factor in disease severity and treatment efficacy of metronidazole for Giardia lamblia infections in infants.
Abstract:
Of 435 infants with diarrhoea aged under one year, 6% were found to have Giardia lamblia; the incidence ranged from 3% housed infants to 12% in itinerant infants. All infants had duodenal fluid and faeces examined. Infants under 12 weeks may experience severe diarrhoea in association with infection by this parasite, but seem more likely to respond to metronidazole than older infants.