Effect of vitamin A and zinc supplementation on gastrointestinal parasitic infections among Mexican children
Pediatrics, ISSN: 0031-4005, Vol: 120, Issue: 4, Page: e846-55
2007
- 61Citations
- 92Captures
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Metrics Details
- Citations61
- Citation Indexes58
- 58
- CrossRef47
- Policy Citations3
- Policy Citation3
- Captures92
- Readers92
- 92
Article Description
OBJECTIVE. Gastrointestinal parasites continue to be an important cause of morbidity and stunting among children in developing countries. We evaluated the effect of vitamin A and zinc supplementation on infections by Giardia lamblia, Ascaris lumbricoides, and Entamoeba histolytica. METHODS. A randomized, double-blind, placebo-controlled trial was conducted among 707 children who were 6 to 15 months of age and from periurban areas of Mexico City, Mexico, between January 2000 and May 2002. Children, who were assigned to receive either vitamin A every 2 months, a daily zinc supplement, a combined vitamin A and zinc supplement, or a placebo, were followed for 1 year. The primary end points were the 12-month rates and durations of infection for the 3 parasites and rates of parasite-associated diarrheal disease as determined in stools collected once a month and after diarrheal episodes. RESULTS. G lamblia infections were reduced and A lumbricoides infections increased among children in the combined vitamin A and zinc group or the zinc alone group, respectively. Durations of Giardia infections were reduced among children in all 3 treatment arms, whereas Ascaris infections were reduced in the vitamin A and zinc group. In contrast, E histolytica infection durations were longer among zinc-supplemented children. Finally, E histolytica- and A lumbricoides-associated diarrheal episodes were reduced among children who received zinc alone or a combined vitamin A and zinc supplement, respectively. CONCLUSIONS. We found that vitamin A and zinc supplementation was associated with distinct parasite-specific health outcomes. Vitamin A plus zinc reduces G lamblia incidence, whereas zinc supplementation increases A lumbricoides incidence but decreases E histolytica-associated diarrhea. Copyright © 2007 by the American Academy of Pediatrics.
Bibliographic Details
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=35148856129&origin=inward; http://dx.doi.org/10.1542/peds.2006-2187; http://www.ncbi.nlm.nih.gov/pubmed/17908741; https://publications.aap.org/pediatrics/article/120/4/e846/71270/Effect-of-Vitamin-A-and-Zinc-Supplementation-on; https://dx.doi.org/10.1542/peds.2006-2187; https://pediatrics.aappublications.org/content/120/4/e846
American Academy of Pediatrics (AAP)
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