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Memorias del Instituto de Investigaciones en Ciencias de la Salud

versão On-line ISSN 1812-9528


ARIA, L et al. Concordance of dengue antigens M antibody-capture ELISA (MAC ELISA) in the IICS-UNA. Mem. Inst. Investig. Cienc. Salud [online]. 2010, vol.8, n.2, pp.34-38. ISSN 1812-9528.

ABSTRACT Dengue is an acute disease currently considered a re-emerging infection, whose main vector is Aedes aegypti.In 2007, 28,181 cases were reported in Paraguay, 55 were classified as dengue hemorrhagic fever and seven of them died. Ninety percent of the cases were from Asunción and the Central Department and the remaining 10% from the rest of the country. In recent years various immunoenzymatic systems have been developed immunoassay for the diagnosis of dengue, including the M antibody capture ELISA (MAC ELISA). The aim of this cross-sectional observational study was to compare the MAC ELISA test developed at the Instituto de Investigaciones en Cienciad de la Salud (IICS) using antigens supplied by the Instituto Pedro Kouri (IPK) of Cuba and Evandro Chagas of Brazil with a commercial kit of M antibody capture ELISA for dengue virus (Focus Diagnostics Inc. Cypress, CA, USA). Ninety two coded serum samples were randomly selected from patients who attended the IICS with suspected dengue, respecting their confidentiality. The concordance obtained was 94.6% (Kappa Index: 0.891) using the IPK antigen and 96.7% (Kappa index: 0.9350) with the antigen from Evandro Chagas showing high statistical significance (p<0.00001) in both cases. The excellent concordance obtained with the two antigens indicates that they can be used indistinctly in the MAC ELISA test developed in the IICS to support the diagnosis of dengue at a lower cost and would be locally produced.

Palavras-chave : dengue; MAC ELISA; antigen.

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