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1.
Rev. Inst. Med. Trop. Säo Paulo ; 33(2): 159-66, mar.-abr. 1991. tab
Article in Portuguese | LILACS | ID: lil-108374

ABSTRACT

Com o objetivo de se avaliar a magnitude da infeccao perinatal pelo citomegalovirus em hospital publico do municipio de Sao Paulo, os autores acompanharam prospectivamente 98 recem-nascidos ete o quarto mes de vida. Amostras de urina foram coletadas ao nascimento e posteriormente a cada mes, para inoculacao em tubos contendo fibroblastos humanos. Amostras de sangue foram coletadas ao nascimento, no segundo e quarto mes de vida para pesquisa de anticorpos IgM especificos para o CMV, pelo metodo de imunofluorescencia indireta. Dos 37 recem-nascidos que foram acompanhados ate o quarto mes de vida, 9 se infectaram neste periodo, com diagnostico feito pelo isolamento do CMV. O risco de aquisicao da infeccao pelo citomegalovirus no periodo perinatal estimado pela tabua de sobrevivencia foi de 30,9 por cento. A pesquisa de anticorpos IgM por imunofluorescencia so permitiu tal diagnostico em 2 casos (8,1 por cento). A diferenca observada entre os dois metodos foi estatisticamente significante (p = 0,015). O estudo da prevalencia de anticorpos IgG pelo ensaio imunoenzimatico nas maes das criancas mostrou taxas de 92,7 por cento. Nao se isolou CMV nas amostras de leite materno, coletadas mensalmente ate o terceiro mes de lactacao...


Subject(s)
Pregnancy , Infant, Newborn , Male , Female , Infant , Humans , Cytomegalovirus Infections/epidemiology , Brazil/epidemiology , Cervix Uteri/microbiology , Cytomegalovirus Infections/diagnosis , Cytomegalovirus Infections/transmission , Enzyme-Linked Immunosorbent Assay , Fluorescent Antibody Technique , Milk, Human/microbiology , Prospective Studies , Socioeconomic Factors
2.
Rev Inst Med Trop Sao Paulo ; 33(2): 159-66, 1991.
Article in Portuguese | MEDLINE | ID: mdl-1668902

ABSTRACT

In order to demonstrate the occurrence of CMV perinatal infection in a middle socioeconomic class population, the authors conducted a 8-month prospective study in 37 children, not infected congenitally, born in a public hospital of São Paulo city, Prevalence of CMV-IgG antibodies in mothers, detected by immunoenzymatic assay (ELISA), was 92.7%. Survival analysis showed that the risk of acquiring CMV perinatal infection diagnosed by virus isolation in human fibroblasts was 30.9%. When the diagnostic method was detection of IgM class antibodies by indirect immunofluorescence the risk was 8.1% (p < 0.05). Milk samples inoculated in human fibroblasts failed to demonstrate the presence of virus. The infected children did not present any signal of disease in a 4-month follow-up.


Subject(s)
Cross Infection/epidemiology , Cytomegalovirus Infections/epidemiology , Brazil/epidemiology , Cervix Uteri/microbiology , Cross Infection/diagnosis , Cross Infection/transmission , Cytomegalovirus Infections/diagnosis , Cytomegalovirus Infections/transmission , Enzyme-Linked Immunosorbent Assay , Female , Fluorescent Antibody Technique , Humans , Infant , Infant, Newborn , Male , Milk, Human/microbiology , Pregnancy , Prospective Studies , Socioeconomic Factors
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