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Asymptomatic giardiasis and growth in young children; a longitudinal study in Salvador, Brazil

Prado, M. S.; Cairncross, S.; Strina, A.; Barreto, M. L.; Oliveira-Assis, A. M.; Rego, S.
Parasitology, 2005; 131(Pt 1):51-6
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pub_id
16038396
pubmedid
16038396
ISI
231004500006
reference_type
Journal Article
author
Prado, M. S.; Cairncross, S.; Strina, A.; Barreto, M. L.; Oliveira-Assis, A. M.; Rego, S.
title
Asymptomatic giardiasis and growth in young children; a longitudinal study in Salvador, Brazil
secondary_title
Parasitology
ISBNISSN
0031-1820
volume
131
number
Pt 1
pages
51-6
year
2005
abstract
This study sought to assess the effect of giardiasis on growth of young children. In Salvador, northeast Brazil, 597 children initially aged 6 to 45 months were followed for a year in 1998/9, measured anthropometrically thrice, every 6 months, and monitored for diarrhoea prevalence twice weekly. Stool samples were collected and examined during the second round of anthropometry, and infected children were treated 39 days later, on average (S.D. 20 days). For each 6-month interval, the gains in z-scores of infected and uninfected children were compared, after adjustment for potential confounding factors, including longitudinal prevalence of diarrhoea. No significant difference was found for the first interval but in the second, the gain in adjusted height-for-age z-score was 0.09 less in infected than uninfected children, equivalent to a difference in height gain of 0.5 cm. The shortfall in growth was greater in children who remained free of diarrhoea, and was significantly correlated with the proportion of the second interval during which the child had remained untreated. We conclude that Giardia can impede child growth even when asymptomatic, presumably through malabsorption. This finding challenges the view that young children found to have asymptomatic giardiasis in developing countries should not be treated.
keywords
Brazil; diarrhoea; Giardia duodenalis; growth; longitudinal study; malabsorption; nutritional status Preschool-children; peruvian children; weight-gain; infection; diarrhea; prevalence; lamblia
secondary_author
place_published
publisher
number_of_volumes
tertiary_author
tertiary_title
edition
date
Jul
type_of_work
subsidiary_author
alternate_title
Parasitology
call_number
accession_number
16038396
custom_1
WOS OK
custom_2
Unknown
custom_3
custom_4
10.1017/s0031182005007353
custom_5
custom_6
10
label
2016-10-18
notes
Journal Article
url
http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&dopt=Abstract&list_uids=16038396
author_address
Institute of Public Health, Universidade Federal da Bahia, Salvador, BA, Brazil.
library
16038396
date_accepted
date_online
created
2005-08-30 16:46:31
modified
2016-07-08 00:00:00
library

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