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Ophthalmological findings in children with congenital toxoplasmosis
Report from a Swedish prospective screening study of congenital toxoplasmosis with two years of follow-up
Kristina TeärFahnehjelm 1 , GunillaMalm 2 , JanYgge 1 , Mona-LisaEngman 2 , EvaMaly 3 and BirgittaEvengård 4
  1 Department of Clinical Science, Section of Paediatric Ophthalmology, Karolinska Institutet, Huddinge University Hospital, Huddinge,   2 Department of Clinical Science, Section of Paediatrics, Karolinska Institutet, Huddinge University Hospital, Huddinge,   3 Department of Ophthalmology, Malmö University Hospital, Malmö,   4 Department of Immunology, Microbiology, Pathology and Infectious Diseases, Karolinska Institutet, Huddinge University Hospital, Huddinge, Sweden
Copyright © Acta Ophthalmol Scand 2000
KEYWORDS
congenital toxoplasmosis • ophthalmological findings • chorioretinitis • screening study

ABSTRACT

ABSTRACT.Congenital toxoplasmosis may lead to severe visual impairment or neurological sequelae in the child.

Purpose: To study the severity of the primary and late ophthalmological dysfunction during a prospective incidence study of congenital toxoplasmosis in the Stockholm and Skåne counties.

Methods: Blood collected on phenylketonuria (PKU) cards from 40  978 consecutively born children were investigated for antitoxoplasma antibodies. Children with verified congenital toxoplasmosis were treated for 12 months with antiparasitic therapy and followed ophthalmologically, neurologically and serologically every third month.

Results: Three children had congenital toxoplasmosis. Two of these were asymptomatic at birth and would have escaped early detection without screening. One child had unilateral severe visual impairment and CNS involvement. The incidence of congenital toxoplasmosis was less than 1:10  000.

Conclusion: Neonatal screening is of importance to diagnose asymptomatic infected children with congenital toxoplasmosis as treatment has been shown to reduce long-term sequelae. Ophthalmological investigations should start early and continue in co-operation with paediatricians.


DIGITAL OBJECT IDENTIFIER (DOI)
10.1034/j.1600-0420.2000.078005569.x About DOI

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