Comparison of a rapid cytomegalovirus pp65 antigenemia assay revealed by immunofluorescence to an in-house assay revealed by immunoperoxidase for diagnosis in solid organ transplant recipient patients
Braz. j. infect. dis
; Braz. j. infect. dis;14(3): 322-324, May-June 2010. tab
Article
em En
| LILACS
| ID: lil-556851
Biblioteca responsável:
BR1.1
ABSTRACT
Cytomegalovirus (CMV) antigenemia is still one of the two major assays available for diagnosis and monitoring of CMV infections. A commercial rapid test recently available in Brazil for quantification of human cytomegalovirus pp65 antigenemia revealed by immunofluorescence technique was compared with the original in-house method revealed by immunoperoxidase in patients receiving solid organ transplants. Of 80 blood samples tested for CMV antigenemia, 34 (42.5 percent) were positive commercial assay detected 33 (97 percent) and in-house assay detected 20 (58.8 percent) samples. The numbers of positive cells in the two assays were different, with a median of 4.5 and 12 positive cells obtained by in-house and commercial kit, respectively. Discrepancies between assays occurred in 15 specimens from patients with low-grade antigenemia (median 6 positive cells). The assay-time was reduced in approximately 50 percent compared to in-house methodology. In conclusion, besides comparable results obtained for both assays, the commercial antigenemia assay provides more rapid and sensitive results.
Palavras-chave
Texto completo:
1
Coleções:
01-internacional
Base de dados:
LILACS
Assunto principal:
Fosfoproteínas
/
Proteínas da Matriz Viral
/
Transplante de Órgãos
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Imunofluorescência
/
Técnicas Imunoenzimáticas
/
Infecções por Citomegalovirus
/
Citomegalovirus
Tipo de estudo:
Diagnostic_studies
Limite:
Humans
Idioma:
En
Revista:
Braz J Infect Dis
/
Braz. j. infect. dis
/
Braz. j. infect. dis. (Online)
/
Brazilian journal of infectious diseases (Impresso)
Assunto da revista:
DOENCAS TRANSMISSIVEIS
Ano de publicação:
2010
Tipo de documento:
Article
País de afiliação:
Brasil
País de publicação:
Brasil