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Pesquisa : CITOMEGALOVIRUS/IMUNOL [Descritor de assunto]
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Id:3336
Autor:Bueno, Stella M H S; Pannuti, Claudio S; Muccioli, Cristina.
Título:Cytomegalovirus Antigenemia in Acquired Immunodeficiency Syndrome Patients With Untreated Cytomegalovirus Retinitis.
Fonte:Am J Ophthalmol;122(6):847-852, Dec. 1996. .
Resumo:PURPOSE: To determine the frequency of cytomegalovirus (CMV) viremia in patients with acquired immunodeficiency syndrome (AIDS) and untreated CMV retinitis using conventional cell culture isolation and the sensitive CMV antigenemia assay. METHODS: We examined 24 AIDS patients with ophthalmologic diagnosis of untreated CMV retinitis and 24 AIDS patients without present or past retinitis (control patients) from three medical centers between September 1992 and March 1994. Cytomegalovirus antigenemia was detected by an indirect peroxidase staining in 300,000 cytocentrifuged neutrophils, using a mixture of murine monoclonal antibodies directed against the pp65 lower matrix protein of CMV. RESULTS: Positive antigenemia was demonstrated in eight (33.3 por cento) of the 24 retinitis patients and in none of the 24 control patients (P < .001). Only two of the eight antigenemia-positive patients had a concurrent positive CMV isolation from blood leukocytes by conventional cell culture assay. CONCLUSIONS: These results emphasize the risk of extraocular disease in AIDS patients with CMV retinitis because the virus is often present in peripheral blood leukocytes. The CMV antigenemia assay may be a simple and rapid means of identifying those patients with unilateral retinitis at highest risk of developing CMV retinitis of the fellow eye or of visceral CMV disease if intravitreal injections or implants are used as sole treatment for CMV retinitis.
Descritores:Infecções Oportunistas Relacionadas com a AIDS/diag
Infecções Oportunistas Relacionadas com a AIDS/quimioter
Anticorpos Monoclonais
Anticorpos Antivirais/imunol
Antígenos de Vírus/anal
Antivirais/uso terap
Separação Celular
Células Cultivadas
Citomegalovirus/imunol
Citomegalovirus/isol
Retinite por Citomegalovirus/diag
Retinite por Citomegalovirus/quimioter
Ganciclovir/uso terap
Técnicas Imunoenzimáticas
Neutrófilos/citol
Neutrófilos/virol
Viremia/diag
Viremia/quimioter
Limites:Humano
Masculino
Feminino
Adulto
Localização:BR1310.1


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