Contribution of Neonatal Amniotic Fluid Testing to Diagnosis of Congenital Toxoplasmosis

Abstract : We evaluated the molecular diagnosis of congenital toxoplasmosis (CT) on neonatal amniotic fluid samples from 488 mother-child pairs. Maternal infection during pregnancy was diagnosed and dated or could not be ruled out. Forty-six cases of CT were defined according to the European Research Network on CT classification system and case definitions. Neonatal amniotic fluid testing had an overall sensitivity of 54% (95% confidence interval [95% CI], 39 to 69%) and a specificity of 100% (95% CI, 99 to 100%). Its sensitivity was 33% (95% CI, 13 to 59%) when antenatal diagnosis was positive and 68% (95% CI, 48 to 84%) when antenatal diagnosis was negative or lacking. This difference in sensitivity may have been due to treatment of antenatally diagnosed cases. Relative to postnatal serology, neonatal amniotic fluid testing allowed an earlier diagnosis to be made in 26% of the cases (95% CI, 9 to 51%).
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https://hal.umontpellier.fr/hal-02121059
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Soumis le : lundi 6 mai 2019 - 13:20:10
Dernière modification le : mercredi 29 mai 2019 - 10:56:23

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Denis Filisetti, Hélène Yera, Odile Villard, Benoit Escande, Estelle Wafo, et al.. Contribution of Neonatal Amniotic Fluid Testing to Diagnosis of Congenital Toxoplasmosis. Journal of Clinical Microbiology, American Society for Microbiology, 2015, 53 (5), pp.1719-1721. ⟨10.1128/JCM.02358-14⟩. ⟨hal-02121059⟩

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