Cited by 28Child Nutrition and Water AccessParasitic Infections and DiagnosticsParasites and Host Interactions

Subclinical enteric parasitic infections and growth faltering in infants in São Tomé, Africa: a birth cohort study

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Garzón, Marisol, Pereira-da-Silva, Luís, Seixas, Jorge, Papoila, Ana, Alves, Marta·2018·International Journal of Environmental Research and Public Health

Abstract

The associations between enteric pathogenic parasites and growth in infants in São Tomé were explored using a refined anthropometric approach to recognize early growth faltering. A birth cohort study was conducted with follow-up to 24 months of age. Microscopic examination for protozoa and soil-transmitted helminths was performed. Anthropometric assessments included: z-scores for weight-for-length (WLZ), length-for-age (LAZ), weight (WAVZ) and length velocities (LAVZ), length-for-age difference (LAD), and wasting and stunting risk (≤−1 SD). Generalized additive mixed effects regression models were used to explore the associations between anthropometric parameters and enteric parasitic infections and cofactors. A total of 475 infants were enrolled, and 282 completed the study. The great majority of infants were asymptomatic. Giardia lamblia was detected in 35.1% of infants in at least one stool sample, helminths in 30.4%, and Cryptosporidium spp. in 14.7%. Giardia lamblia and helminth infections were significantly associated with mean decreases of 0.10 in LAZ and 0.32 in LAD, and of 0.16 in LAZ and 0.48 in LAD, respectively. Cryptosporidium spp. infection was significantly associated with a mean decrease of 0.43 in WAVZ and 0.55 in LAVZ. The underestimated association between subclinical parasitic enteric infections and mild growth faltering in infants should be addressed in public health policies.

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Authors
Garzón, M., Pereira-da-Silva, L., Seixas, J., Papoila, A., & Alves, M.
Affiliations
  • Universidade Nova de Lisboa (PT)
  • Unidade Local de Saúde de São José (PT)
Corresponding author
Pereira-da-Silva, Luís
Venue
International Journal of Environmental Research and Public Health
Publisher
MDPI AG
Published
2018-04-05
Volume
15
Issue
4
Pages
688
ISSN
1660-4601 (ISSN-L)
OpenAlex
W2795480121
Cited by
28
References
57
Citations by year
2026: 1 · 2025: 4 · 2023: 5 · 2022: 2 · 2021: 7 · 2020: 3 · 2019: 5 · 2018: 1
FWCI
3.31
Type
journal article
Language
en
Open access
Locations
  • International Journal of Environmental Research and Public Health (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • Portuguese National Funding Agency for Science, Research and Technology (RCAAP Project by FCT) (submittedVersion, other-oa)
  • RePEc: Research Papers in Economics (submittedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
  • Universidade Nova de Lisboa
  • Fundação para a Ciência e a Tecnologia (SFRH/BD/81431/2011)
  • Instituto de Higiene e Medicina Tropical, Universidade Nova de Lisboa
Topics
  • Health Sciences › Nursing › Nutrition and Dietetics › Child Nutrition and Water Access
  • Life Sciences › Immunology and Microbiology › Parasitology › Parasitic Infections and Diagnostics
  • Life Sciences › Immunology and Microbiology › Parasitology › Parasites and Host Interactions
Keywords
infant growth faltering, Giardia lamblia, soil-transmitted helminths, Cryptosporidium, stunting, wasting, length-for-age z-score, weight-for-length
MeSH terms
Sao Tome and Principe, Animals, Anthropometry, Body Weight, Child Development, Child, Preschool, Female, Helminthiasis, Humans, Infant, Infant, Newborn, Intestinal Diseases, Parasitic, Male, Parasitic Diseases, Pregnancy, Cohort Studies, Giardia lamblia, Asymptomatic Infections

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