AJTMH Transactions of the Royal Society of Tropical Medicine and Hygiene
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Am. J. Trop. Med. Hyg., 30(1), 1981, pp. 77-80
Copyright © 1981 by The American Society of Tropical Medicine and Hygiene

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Pica Patterns, Toxocariasis, and Elevated Blood Lead in Children*

Lawrence T. Glickman, Ihsan U. Chaudry, Joseph Costantino, Frank B. Clack, Raymond H. Cypess AND Laurie Winslow
Department of Clinical Studies, University of Pennsylvania School of Veterinary Medicine, 3800 Spruce Street, Philadelphia, Pennsylvania 19104, and Allegheny County Health Department, 3333 Forbes Avenue, Pittsburgh, Pennsylvania 15213

Blood samples were obtained during a lead screening program from 100 children aged 1–6 years in Allegheny County, Pennsylvania, to determine whether there was any association between specific forms of pica and infection with Toxocara canis, the principal cause of visceral larva migrans in the United States, or elevated blood lead levels. Significant associations were found between: 1) feces, soil, or grass pica and Toxocara infection; 2) paint or plaster pica and elevated blood lead; and 3) dog ownership and Toxocara infection. These findings suggest that an accurate pica history may be useful in identifying potential health problems in children.

Accepted for publication May 17, 1980.


* This study was supported by grant number R01 EY 03762 from the National Institutes of Health and by a grant from the Children's Eye Care Foundation.




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Copyright © 1981 by the American Society of Tropical Medicine and Hygiene.