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1.
Enferm Infecc Microbiol Clin ; 30(8): 463-5, 2012 Oct.
Artigo em Espanhol | MEDLINE | ID: mdl-22446008

RESUMO

OBJECTIVE: To evaluate a new chemiluminescent microparticle immunoassay (ARCHITECT Chagas(®), Abbott). METHODS: In this study, 165 samples were tested by two different serological tests. The ARCHITECT Chagas(®) assay was performed using ARCHITECT i2000(SR) system (Abbott). RESULTS: The sensitivity and specificity of ARCHITECT assay was 100% and 96.6%, respectively. The concordance rate was 0.96 (95%CI: 0.92-1) for ELISA and 0.91 (95%CI: 0.85-0.97) for immunofluorescence assay (IFA). CONCLUSIONS: The ARCHITECT Chagas(®) assay demonstrates a sensitivity and specificity similar to ELISA and IFA assays; it allows a large volume of samples to be processed with a good standardization and reproducibility, as well as an objective interpretation.


Assuntos
Anticorpos Antiprotozoários/sangue , Doença de Chagas/diagnóstico , Imunoensaio/métodos , Medições Luminescentes , Kit de Reagentes para Diagnóstico , Antígenos de Protozoários/imunologia , Doença de Chagas/sangue , Ensaio de Imunoadsorção Enzimática , Técnica Indireta de Fluorescência para Anticorpo , Humanos , Reprodutibilidade dos Testes , Estudos de Amostragem , Sensibilidade e Especificidade , Trypanosoma cruzi/imunologia
7.
Enferm. infecc. microbiol. clín. (Ed. impr.) ; 30(8): 463-465, oct. 2012. ilus, tab
Artigo em Espanhol | IBECS (Espanha) | ID: ibc-104154

RESUMO

Objetivo: Evaluar un nuevo inmunoensayo quimioluminiscente de micropartículas (ARCHITECT Chagas®, Abbott). Métodos Estudio aleatorio con 165 muestras mediante 2 técnicas serológicas diferentes. El ensayo ARCHITECT Chagas® se realizó empleando el sistema ARCHITECT i2000SR (Abbott).Resultados La sensibilidad y la especificidad del ensayo ARCHITECT fueron del 100 y del 96,6%, respectivamente. El índice de concordancia con las técnicas ELISA e IFI fue de 0,96 (IC95%: 0,92-1) y 0,91 (IC95%: 0,85-0,97), respectivamente. Conclusiones El ensayo ARCHITECT Chagas® demuestra tener una sensibilidad y una especificidad similares a los tests ELISA e IFI; permite además procesar un mayor número de muestras con una mayor estandarización y reproducibilidad de los resultados, así como una interpretación totalmente objetiva de los mismos (AU)


Objective: To evaluate a new chemiluminescent microparticle immunoassay (ARCHITECT Chagas®, Abbott).Methods: In this study, 165 samples were tested by two different serological tests. The ARCHITECT Chagas®assay was performed using ARCHITECT i2000SR system (Abbott).Results: The sensitivity and speciflcity of ARCHITECT assay was 100% and 96.6%, respectively. The concordance rate was 0.96 (95% CI: 0.92-1) for ELISA and 0.91 (95% CI: 0.85-0.97) for immunofluorescence assay (IFA).Conclusions: The ARCHITECT Chagas®assay demonstrates a sensitivity and speciflcity similar to ELISA and IFA assays; it allows a large volume of samples to be processed with a good standardization and reproducibility, as well as an objective interpretation (AU)


Assuntos
Humanos , Doença de Chagas/imunologia , Imunoensaio/métodos , Trypanosoma cruzi/isolamento & purificação , Reprodutibilidade dos Testes , Sensibilidade e Especificidade
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