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Prevalência de soropositividade para toxoplasmose em gestantes Translated title: Seroprevalence of toxoplasmosis in pregnant women

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      Abstract

      Objetivo: medir a prevalência de soropositividade para toxoplasmose em gestantes e avaliar associações de ocorrência da soropositividade com idade, cor, procedência e escolaridade maternas. Métodos: estudo transversal, incluindo 1.261 gestantes atendidas na maternidade do Hospital Nossa Senhora da Conceição de Porto Alegre (RS), e que realizaram teste sorológico para toxoplasmose durante a gestação, ou no momento do parto, foi conduzido entre julho a outubro e dezembro de 2000. Foram investigadas as variáveis idade, cor, procedência, escolaridade e sorologia para toxoplasmose (IgG e IgM), utilizando o método enzimático por micropartícula quantitativo (MEIA). Resultados: a prevalência de soropositividade para toxoplasmose nas gestantes estudadas foi de 59,8% (IC95%: 57,0% - 62,5%). Houve aumento na proporção de soropositividade com aumento da idade da mãe (p = 0,012); já maior nível de escolaridade foi fator de proteção para toxoplasmose (p < 0,001). A hipótese de que a proporção de gestantes soropositivas aumentaria conforme a maior distância de sua procedência da capital não se confirmou (p = 0,750). Não se observou diferença quanto à cor (p = 0,228). Na análise multivariada, a idade materna continuou mostrando associação linear com o aumento da soropositividade, mesmo após ajuste para escolaridade, procedência e cor. Conclusão: a prevalência de soropositividade em gestantes na população estudada é elevada e justifica a adoção de medidas preventivas primárias e secundárias, até que posteriores estudos forneçam maior evidência quanto à racionalização no emprego de técnicas diagnósticas e terapêuticas em toxoplasmose.

      Translated abstract

      Objective: : to measure the prevalence of seropositivity for toxoplasmosis in pregnant women and evaluate its association with maternity age, skin color, place of residence and education. Methods: a cross-sectional study in 1,261 pregnant women cared for at the maternity ward of Hospital Nossa Senhora da Conceição was performed from June to October and in December 2000. Serological tests for toxoplasmosis were performed during their pregnancy or delivery. The variables considered were place of residence, skin color, education and serum tests for toxoplasmosis (IgG and IgM). Microparticle Enzyme Immunoassay method (MEIA) was used. Results: the prevalence of seropositivity for toxoplasmosis in the pregnant women studied was of 59.8% (95% CI: 57.0% - 62.5%). An increase in seropositivity in relation to the mother's age was observed (p = 0.012). On the other hand, a higher educational level was found to be a protective factor against toxoplasmosis (p < 0.001). The hypothesis that the proportion of pregnant seropositive women would increase the farther they lived from capital cities was not confirmed (p = 0.750). Differences regarding race were not observed (p = 0.228). In the multivariate analysis, maternity age presented a linear association with the increase of seropositivity, even after adjustment for education, place of residence and skin color. Conclusions: the prevalence of seropositivity in the pregnant women studied is high and justifies the adoption of some primary and secondary preventive measures, until subsequent studies provide greater evidence concerning the rationalization of the diagnostic and therapeutic techniques regarding toxoplasmosis in pregnant women.

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      Most cited references 34

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      Epidemiologia: teoria e prática

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        Congenital toxoplasmosis: is screening desirable?

         W Foulon (1992)
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          Screening programme for congenital toxoplasmosis in France.

           P Thulliez (1992)
          The high prevalence of Toxoplasma gondii infection in France led to the establishment of a national screening programme. Preventive measures were progressively introduced, and these became compulsory in 1978 with the result that the incidence of congenital toxoplasmosis is now markedly reduced. Further improvements may include more systematic sampling from women before pregnancy, better and adequate health education and centralized notification of both maternal and congenital cases of toxoplasmosis.
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            Author and article information

            Affiliations
            [1 ] Hospital Nossa Senhora da Conceição
            [2 ] Universidade Federal do Rio Grande do Sul Brazil
            [3 ] Universidade de Londres
            [4 ] Universidade Federal do Rio Grande do Sul Brazil
            [5 ] Pontifícia Universidade Católica do Rio Grande do Sul Brazil
            [6 ] Hospital da Criança Conceição
            [7 ] Hospital da Criança Conceição
            Contributors
            Role: ND
            Role: ND
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            Role: ND
            Journal
            jped
            Jornal de Pediatria
            J. Pediatr. (Rio J.)
            Sociedade Brasileira de Pediatria (Porto Alegre )
            1678-4782
            February 2003
            : 79
            : 1
            : 69-74
            S0021-75572003000100012 10.1590/S0021-75572003000100012

            http://creativecommons.org/licenses/by/4.0/

            Product
            Product Information: SciELO Brazil
            Categories
            PEDIATRICS

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