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Brazilian Journal of Infectious Diseases
Print version ISSN 1413-8670
DEBUR, Maria do Carmo et al. Comparison of immunoperoxidase and immunofluorescence assays for pp65 cytomegalovirus antigen in immunocompromised patients. Braz J Infect Dis [online]. 2009, vol.13, n.2, pp.142-146. ISSN 1413-8670. http://dx.doi.org/10.1590/S1413-86702009000200014.
We compared the pp65 antigen detection by an in house method (immunoperoxidase assay) and by a commercial kit (immunofluorescence assay) available for cytomegalovirus infection diagnosis in immunocompromised patients. Sixty-four blood samples were analyzed in duplicate for both techniques. Eight-six percent of the samples had concordant qualitative results. The discordant results occurred more frequently in samples with low quantity of positive cells. There were no significant differences with qualitative and quantitative results of the methods.
Keywords : Immunoperoxidase; immunofluorescence; cytomegalovirus; immunocompromised patients; bone marrow transplantation; solid organ transplant.