Comparison of semi-automatized assays for anti-T. gondii IgG detection in low-reactivity serum samples: importance of the results in patient counseling
Toxoplasmosis is a disease which can cause severe congenital infection and is normally diagnosed by the detection of T. gondii specific antibodies in the serum of infected patients. Several different tests allow to distinguish recent from past infections and to quantify anti-T. gondii specific IgG, and the results can be used as markers for immunity. In the present study, we compare the performance of two different methodologies, the Elfa (bioMérieux S.A) and the Meia (Abbott Laboratories) in detecting T. gondii specific IgG in low-reactivity sera. Of 76 analyzed samples, three presented discrepant results, being positive in the Abbott AxSYM Toxo IgG assay, and negative in the bioMérieux Vidas Toxo IgG II assay. By using other tests, the three sera were confirmed to be negative. The results are discussed in the context of their importance for patient management, especially during pregnancy.
Main Authors: | Leser,Paulo Guilherme, Rocha,Lúcia Sivieri de Assis, Moura,Maria Emília Germani, Ferreira,Antonio Walter |
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Format: | Digital revista |
Language: | English |
Published: |
Sociedade Brasileira de Patologia Clínica
2003
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Online Access: | http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1676-24442003000200003 |
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