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Asymptomatic giardiasis in children.

M Ish-Horowicz1, S H Korman, M Shapiro

  • 1Department of Pediatrics, Hadassah University Hospital, Jerusalem, Israel.

The Pediatric Infectious Disease Journal
|November 1, 1989
PubMed
Summary
This summary is machine-generated.

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Asymptomatic Giardia lamblia infections in young children attending daycare were common. These children showed no nutritional disadvantage and potentially better growth and fewer illnesses compared to uninfected peers.

Area of Science:

  • Pediatric infectious diseases
  • Gastroenterology
  • Nutritional epidemiology

Background:

  • Giardia lamblia is a common intestinal parasite affecting young children.
  • Daycare settings facilitate parasite transmission among children.
  • The clinical and nutritional impact of asymptomatic Giardia infection in this age group requires further elucidation.

Purpose of the Study:

  • To investigate the prevalence and impact of Giardia lamblia infection in children attending a daycare center.
  • To assess the association between asymptomatic Giardia infection and nutritional status, growth, and general health.

Main Methods:

  • Monthly stool examinations were conducted for up to 12 months in 89 children (3 months to 3 years old).
  • Nutritional status (height, weight) and hemoglobin levels were compared between infected and uninfected children.

Related Experiment Videos

  • Lactase deficiency was assessed using breath hydrogen testing.

    • Main Results:

    • Giardia lamblia infection was detected in 37% of the children, often asymptomatic with prolonged carriage.
    • No significant differences in height, weight, or hemoglobin were observed between groups.
    • Giardia-positive children showed a trend towards better weight and height for age and fewer gastrointestinal/respiratory symptoms.
    • Lactase deficiency was more prevalent in Giardia-positive children (P < 0.02).

    Conclusions:

    • Asymptomatic Giardia lamblia infection in healthy daycare children does not appear to cause nutritional disadvantage.
    • Children with asymptomatic Giardia infection may exhibit improved growth and reduced illness burden.
    • Further research is warranted to understand the complex host-parasite interactions and potential benefits in specific contexts.