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Trop Med Int Health. 2001 Aug;6(8):624-34.

A longitudinal study of Giardia lamblia infection in north-east Brazilian children.

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  • 1Department of Pediatrics, University of Washington School of Medicine, Seattle, USA. robertdavidnewman@hotmail.com

Abstract

OBJECTIVE:

To evaluate the epidemiology of Giardia lamblia infection, investigate factors which might be associated with clinical manifestations and recurrence, and examine the role of copathogens in disease course.

METHODS:

Prospective 4-year cohort study of children born in an urban slum in north-eastern Brazil.

RESULTS:

Of 157 children followed for > or = 3 months, 43 (27.4%) were infected with Giardia. The organism was identified in 8.8% of all stool specimens, and although found with similar frequency in non-diarrhoeal (7.4%) and diarrhoeal stools (9.7%), was more common in children with persistent (20.6%) than acute diarrhoea (7.6%, P=0.002). Recurrent or relapsing infections were common (46%). Children with symptomatic infections had significantly lower weight-for-age and height-for-age than asymptomatic children. Copathogens were not associated with disease course. CONCLUSION With its protean clinical manifestations, Giardia may be associated with substantial morbidity amongst children in Brazil.

PMID:
11555428
[PubMed - indexed for MEDLINE]
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