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Vol. 29. Issue 1.
Pages 27-34 (January - June 2011)
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Vol. 29. Issue 1.
Pages 27-34 (January - June 2011)
DOI: 10.1016/S0870-9025(11)70005-0
Open Access
Epidemiologia de Trichomonas vaginalis em mulheres
Epidemiology of Trichomonas vaginalis in women
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Maria José Alvesa,b,
Corresponding author
mjose@serviconta.com.pt

Autor para correspondência.
, Rita Oliveirac, Jorge Balteirod, e Agostinho Cruzc
a Laboratório de Patologia Clínica, Centro Hospitalar de Trás-os-Montes e Alto Douro – E.P.E – Unidade de Chaves, Chaves, Portugal
b Escola Superior de Saúde de Bragança, Instituto Politécnico de Bragança, Bragança, Portugal
c Escola Superior de Tecnologia de Saúde do Porto, Instituto Politécnico do Porto, Porto, Portugal
d Escola Superior de Tecnologia de Saúde de Coimbra, Instituto Politécnico de Coimbra, Coimbra, Portugal
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Article information
Resumo
Introdução

A tricomoniose é uma das Doenças Sexualmente Transmissíveis (DSTs) não viral mais comum em todo mundo, com uma incidência anual superior a 180 milhões de casos. A Organização Mundial de Saúde estimou que esta infecção explica quase 50% de todas as DSTs com cura em todo o mundo.

Em Portugal poucos têm sido os trabalhos de carácter epidemiológico realizados sobre parasitose.

Assim, o objectivo deste estudo consistiu em determinar a prevalência da T. vaginalis em mulheres que frequentam a consulta de planeamento familiar nos CSN.°1 CSN.°2 e Hospital em Chaves, e estabelecer uma possível associação desta parasitose com as características sociodemográficas, a sintomatologia, o comportamento sexual e o tratamento anterior deste tipo de parasitoses, através da resposta a um inquérito.

Material e métodos

Foi recolhida uma amostra de exsudado vaginal em 288 mulheres sintomáticas / assintomáticas para pesquisa de T. vaginalis recorrendo ao exame directo e cultural.

Resultados

Das 288 mulheres que aderiram ao estudo 11 (3,8%) encontravam–se com tricomoniose. Variáveis como a idade, estado civil, grau de escolaridade, uso de contracepção, não apresentaram resultados estatisticamente significativos relativamente ao número de casos positivos. De entre os casos positivos apenas 54, 5% das mulheres eram sintomáticas sendo as restantes 45,5% assintomáticas. Uma associação estatisticamente significativa foi encontrada entre tricomoniose e múltiplos parceiros sexuais.

Conclusão

Em suma, há necessidade de se seguirem outros estudos com o intuito de reavaliar o quadro actual desta parasitose em Portugal. Finalmente parece fundamental informar a população acerca dos elevados casos assintomáticos desta parasitose, bem com das consequências que desta podem advir.

Palavras-chave:
Tricomonas vaginalis
Epidemiologia
Prevalência
Parasitose
Abstract
Introduction

Tricomoniose is one of the most common not viral Sexually Transmitted Diseases (STDs) in the whole world, with an annual incidence superior to 180 million cases.

The World Health Organization estimated that this infection explains almost 50% of all the curable STDs in the whole world.

In Portugal few epidemiologic studies have been carried out on parasitosis. Thus, the objective of this study consisted on determining the prevalence of the T. vagianlis in women who attended the consultation of family planning in the CS N.°1 CS N.°2 and the Hospital in Chaves, and on establishing a possible association of this parasatism with sociodemographic characteristics, symptomatology, sexual behaviour and previous treatment of parasitosis, through the reply to an inquiry.

Materials and methods

A sample of vaginal smears was collected in 288 symptomatic and asymptomatic women for research of T. vaginalis appealing to the direct and cultural examination.

Results

Of the 288 women who adhered to the study, 11 (3,8%) were found to have tricomoniose. Variables such as age, marital status, degree of education, use of contraceptive, do not present significant statistical results relatively to the number of positive cases. Among positive cases only 54, 5% of the women were symptomatic being the remaining 45,5% asymptomatic. A statistical significant association was found between tricomoniose and multiple sexual partners.

Conclusion

In result, there is a need for further studies with the intention to reevaluate the current picture of this parasitosis in Portugal. Finally it seems to be of the utmost importance to inform the population about the high number of asymptomatic cases of parasitosis, as well as about the consequences that may arise from that fact.

Keywords:
Tricomonas vaginalis
Epidemiology
Prevalence
Parasatism
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