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Master's Dissertation
DOI
https://doi.org/10.11606/D.10.2005.tde-26072007-075712
Document
Author
Full name
Juliana Junqueira Jorge
E-mail
Institute/School/College
Knowledge Area
Date of Defense
Published
São Paulo, 2005
Supervisor
Committee
Hagiwara, Mitika Kuribayashi (President)
Costa, Mirela Tinucci
Ferreira, Fernando
Title in Portuguese
Estudo dos fatores de risco da leucemia viral felina no município de São Paulo
Keywords in Portuguese
Epidemiologia
Fatores de risco
Gatos
Leucemia viral felina
Abstract in Portuguese
Este estudo visou identificar os fatores de risco da leucemia felina, em uma amostragem de 812 gatos provenientes do município de São Paulo. O teste usado para o diagnóstico da infecção foi a imunofluorescência indireta (IFI). Amostras de esfregaços sangüíneos de 812 gatos foram enviadas por clínicos veterinários de diferentes regiões da cidade. Cada animal teve uma ficha de identificação na qual pesquisou-se os seguintes fatores: sexo, idade, acesso à rua, vida reprodutiva, origem e número de contactantes. Os dados foram tabelados e armazenados para posterior análise estatística. O teste utilizado para identificar os felinos infectados pelo VLF foi a imunofluorescência indireta, utilizando-se anticorpos anti-VLF (Primary Reagent for FeLV IFA, VRMD, Inc.) e o conjugado anti-IgG FITC (Secondary Reagent for IFA, VRMD, Inc.). Foram obtidas 50 reações positivas, correspondendo a 6,16% da amostra estudada. O teste de χ2 foi usado para triagem das variáveis a serem analisadas pela regressão logística. Os resultados obtidos pelo modelo múltiplo final demonstraram que na população estudada os fatores de risco para a leucemia felina foram: ter acesso à rua (RC=47,221; p<0,001), ter sido adotado na rua (RC=3,221; p=0,008) e ter idade entre 3 e 6 anos (RC=3,046; p=0,009), sendo o acesso à rua o fator de risco mais importante. Outros fatores associados à infecção na análise univariada, como sexo e vida reprodutiva, deixaram de ser significativos, tendo sido sobrepujados pela variável acesso a rua.
Title in English
Study of the risk factors on the feline leukemia virus (FeLV) in the city of São Paulo
Keywords in English
Cats
Epidemiology
Feline leukemia virus
Risk factors
Virus
Abstract in English
This study aimed to identify the risk factors of feline leukemia in a sample of 812 cats from the city of São Paulo. Blood samples of 812 cats were sent by veterinary clinicians from different regions of the city. Each sample had an identification form with the following factors: sex, age, access to the street, reproductive status, origin, number of contactants and breed. These factors were assessed in the risk factors analysis. The test used to identify the infected animals was the indirect immunofluorescence, with antibodies anti-FeLV (Primary Reagent for FeLV IFA, VRMD, Inc.) and the conjugate anti-IgG FITC (Secondary Reagent for IFA, VRMD, Inc.). Fifty positive reactions were found, corresponding to 6,16% of the total sample. The χ2 was used to select the variables to be analyzed by logistic regression. The results obtained through the final multiple model demonstrated that, in the studied population, the risk factors to feline Leukemia were: access to the street (OR=47,221; p<0,001), adoption from the street (OR=3,221; p=0,008) and age range between 3 and 6 years old (OR=3,046; p=0,009), with the first one considered the most important. Other factors associated with the infection in the univariate analysis, such as sex and reproductive status, became non-significant, having been overcome by the variable access to the street.
 
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Publishing Date
2007-07-30
 
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