PMID: 3763150Aug 1, 1986Paper

Toxocara canis infestation. Clinical and epidemiological associations with seropositivity in kindergarten children

Ophthalmology
G S EllisK W Walls

Abstract

We studied a cohort of 333 children in kindergarten to determine the prevalence of seropositivity to Toxocara canis, and to detect and measure chronic health effects that might be attributable to past infection. We found that 23.1% of the children had serologic evidence of infection (antibody titer greater than or equal to 1:32), assayed by means of an enzyme-linked immunosorbent assay. Black children were more frequently infested than white children, as were children of parents who did not graduate from high school. In a subsample of seropositive and seronegative children, we found associations between seropositivity and both pica and puppy ownership; we did not find differences in the symptoms and signs that occur in toxocaral visceral larva migrans nor differences in measures of growth and nutrition. No child had ocular toxocariasis although 31.8% (106) of the children had antibody titers greater than or equal to 1:16. In a population in which approximately 20 to 30% of the children show serologic evidence of Toxocara infestation, care must be taken in differentiating toxocariasis-like ophthalmic lesions, due to the potential for the coincidental occurrence of retinoblastoma in a child who is seropositive for the Toxocara pa...Continue Reading

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Citations

Jan 1, 1993·Documenta Ophthalmologica. Advances in Ophthalmology·H Zygulska-MachS Ziobrowski
Jan 24, 2009·International Ophthalmology·Daniel Vítor Vasconcelos-SantosCarlos Eduardo Pavesio
Aug 30, 2001·Survey of Ophthalmology·A Ramsay, S Lightman
May 9, 2014·The American Journal of Tropical Medicine and Hygiene·Dana M WoodhallMonica E Parise
Jun 1, 2014·Journal of the Pediatric Infectious Diseases Society·Dana M Woodhall, Anthony E Fiore
Jul 31, 2010·Journal of Pediatric Ophthalmology and Strabismus·Rafael T CortezGian Paolo Giuliari
Jun 15, 2004·Medical Hypotheses·Hans Peter Söndergaard, Töres Theorell
Apr 23, 2005·Veterinary Parasitology·Dwight D BowmanDavid Stansfield
Oct 28, 2019·Ocular Immunology and Inflammation·Thiago José Muniz Machado MazzeoAndré Luiz Land Curi
Dec 29, 2010·European Journal of Ophthalmology·Gian Paolo GiuliariRafael T Cortez

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