Freqüência de aglutininas para leptospira observadas em habitantes de Uberaba, Minas Gerais

doi:10.1590/s0037-86821996000100012

Rev. Soc. Bras. Med. Trop.

1996

DOI: 10.1590/s0037-86821996000100012

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Freqüência de aglutininas para leptospira observadas em habitantes de Uberaba, Minas Gerais

Abstract: Mesmo nos países industrializados, o risco das doenças zoonóticas é crescente, devido inclusive ao co n tato com anim ais de estimação" . No Brasil, na região do Triângulo Mineiro, a agropecuária é desenvolvida, a população urbana tem contatos estreitos com o meio rural e a leptospirose em animais é conhecida11. A literatura brasileira tem vários estudos soro-epidem iológicos semelhantes, em outras regiões brasileiras, inclusive em hum anos3 5 6.Em manipulação industrial ou caseira de produtos animais; consum … Show more

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Cited by 3 publications

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Leptospirose humana no município de Belo Horizonte, Minas Gerais, Brasil: uma abordagem geográfica

Figueiredo

Mourão

Oliveira

et al. 2001

Rev. Soc. Bras. Med. Trop.

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Resumo Uma análise retrospectiva da leptospirose humana no município de Belo Horizonte em 1995 foi realizada usando recursos de geoprocessamento.Trinta casos suspeitos e 19 casos confirmados foram localizados na área. A predominância de casos confirmados foi registrada nas regiões norte, nordeste e oeste (68,4 ± 13%). Nas áreas de favelas e bolsões de pobreza foram identificados os principais focos da doença, 73,7 ± 12% dos casos confirmados e 26,7 ± 12% dos casos suspeitos. Na periferia, onde ocorreu um aumento populacional, localizaram-se 95 ± 6% dos casos confirmados, sendo o local com maior carência de infraestrutura básica. Na distribuição espacial dos principais cursos d'água do município, observou-se que 50 ± 14% dos casos suspeitos e 42 ± 14% dos casos confirmados estavam localizados nas áreas com maior concentração de redes fluviais. Casos suspeitos (83,3 ± 10%) e confirmados (79 ± 11%) ocorreram em partes altimétricas mais baixas da cidade (750 a 1.000m) e 78 ± 12% dos indivíduos tiveram contato com água e / ou animais contaminados. Palavras-chaves: Leptospirose. Reação de soroaglutinação microscópica. Geoprocessamento.Abstract A retrospective study on human leptospirosis, was done in Belo Horizonte in 1995, using geographic processing resources. Thirty suspected and 19 confirmed cases of leptospirosis were mapped in the area. The majority of confirmed cases (68.4 ± 13%) were located in North, Northeast and West of the city. The main foci of disease were found in slums and other poor areas: 73.7 ± 12% of the confirmed cases and 26.7 ± 12% of suspected cases. Ninety-five percent ± 6% of the confirmed cases were found in the outskirts of the city where there was a population increase and inadequate infrastructure. It was observed that 50 ± 14% of the suspected cases and 42 ± 14% of the confirmed cases were found in areas of high concentration of water resources. Suspected (83.3 ± 10%) and confirmed cases (79 ± 11%) occurred in lower altitude areas of the city (750 to 1,000m) and 78 ± 12% of the individuals had been in contact with contaminated water and/or animals.

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Leptospirose humana no município de Belo Horizonte, Minas Gerais, Brasil: uma abordagem geográfica

Figueiredo

Mourão

Oliveira

et al. 2001

Rev. Soc. Bras. Med. Trop.

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Anticorpos anti-Leptospira em pacientes de Mato Grosso do Sul com suspeita clínica de dengue ou hepatite viral

Souza¹,

Nogueira

Pereira

2007

Rev. Soc. Bras. Med. Trop.

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In view of the lack of clinical and epidemiological data on human leptospirosis in the State of Mato Grosso do Sul, and the possibility of confounding it with other diseases, sera from patients with a preliminary clinical suspicion of dengue or viral hepatitis but without laboratory confirmation were examined by means of microscopic seroagglutination techniques for leptospirosis. The seroreactivity rates among the samples with clinically suspected dengue or viral hepatitis were 15.9% and 9%. The most frequent serovar was Hurstbridge (70.4%) and the serovar with the highest titer was Canicola (1:51,200). No association was found between seropositivity and the patients sex, age or occupation. This study demonstrated that, although the present notifications of leptospirosis cases in Mato Grosso do Sul are negligible, the prevalence of antibodies was high in the groups investigated. Therefore, the hypothesis that there is undernotification of human leptospirosis cases in this State and difficulties in the differential diagnosis between dengue and viral hepatitis should be considered.

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Isolation and characterization of Leptospira interrogans from pigs slaughtered in São Paulo State, Brazil

Miraglia¹,

Moreno²,

Gomes³

et al. 2008

Braz. J. Microbiol.

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With the aim of isolating Leptospira spp., blood serum, kidney, liver and genital tract of 137 female swine (40 sows and 97 gilts) and also urine samples from 22 sows were collected in a slaughterhouse in the State of São Paulo, from April 2003 to August 2004. Four isolates were obtained from animals that presented microagglutination test (MAT) titers ≥ 100 for the serovar Pomona and one was obtained from an animal negative by MAT in which Leptospira was isolated from the liver and reproductive tract. The presence of leptospiral DNA was investigated by PCR, and positive results were found in kidneys of 11 females, liver of two, genital tract of two and urine of one of them. Nephrosis, interstitial multifocal nephritis, moderate to severe changing, hyalines cylinders and hemorrhagic focuses, hepatic and uterine horns congestion were histological lesions observed in higher frequency in animals positive for leptospira. The silver impregnation (Warthin Starry) confirmed the presence of spirochetes in renal tubules of four females with positive leptospira cultures from kidneys. The serogroup of the five isolates was identified as Pomona by cross agglutination with reference polyclonal antibodies. Molecular characterization of the isolates was carried out by variablenumber tandem-repeats analysis. All the isolates revealed a pattern distinct from the L. interrogans Pomona type strain, but identical to a previously identified pattern from strains isolated in Argentina belonging to serovar Pomona.

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Freqüência de aglutininas para leptospira observadas em habitantes de Uberaba, Minas Gerais

Cited by 3 publications

References 3 publications

Leptospirose humana no município de Belo Horizonte, Minas Gerais, Brasil: uma abordagem geográfica

Leptospirose humana no município de Belo Horizonte, Minas Gerais, Brasil: uma abordagem geográfica

Anticorpos anti-Leptospira em pacientes de Mato Grosso do Sul com suspeita clínica de dengue ou hepatite viral

Isolation and characterization of Leptospira interrogans from pigs slaughtered in São Paulo State, Brazil

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