Leishmaniose tegumentar americana canina na zona rural do município de São Miguel, Rio Grande do Norte

Araújo, Francisco Rodrigues de Freitas; André, Weibson Paz Pinheiro; Reis, Paulo Fernandos Cisneiros da Costa; Fernandes, Taciana de Melo; Batista, Jael Soares

doi:10.4322/rbcv.2014.383

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“…However, variation in the prevalence rate is very high (2.16 to 54.7%) when considering the values estimated by other authors (Pereira et al, 2008;Reis et al, 2011;Araújo et al, 2014;Carvalho et al, 2015;Leça-Júnior et al, 2015). Although IFAs are widely employed for their convenience and low cost, their use is controversial owing to low levels of detectable serum antibodies and the possibility of cross-reactions (Antunes Uchôa et al, 2001).…”

Section: Discussionmentioning

confidence: 93%

Diagnosis and epidemiology of canine leishmaniasis in southeastern Bahia, Brazil

et al. 2016

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ABSTRACT. Leishmaniasis is a disease caused by protozoa of the genus Leishmania. Two distinct forms are recognized: visceral leishmaniasis (VL) and cutaneous leishmaniasis (CL). In the Americas, the causative agent of VL is L. infantum chagasi, whereas L. braziliensis is principally responsible for CL. Domestic dogs constitute the main source of VL in urban environments, and have also been implicated in CL epidemiology. We carried out molecular and serological surveys to detect Leishmania infection in dogs from the municipality of Ituberá in Bahia, Brazil. Furthermore, we identified risk factors associated with illness in dogs from this locality. Blood samples were collected from 399 dogs and tested using an indirect immunofluorescence assay (IFA) and polymerase chain reaction (PCR) to detect Leishmania spp antibodies and L. infantum chagasi and L. braziliensis DNA, respectively. Dogs were clinically evaluated and tissue samples from those exhibiting skin lesions were examined for parasites. In addition, the dog owners completed an epidemiological questionnaire to identify factors associated with infection. Skin lesions consistent with CL were found on 37 (9.3%) of the evaluated animals, but parasitological examination was negative for all samples. The IFA returned positive results for 60 (15%) dogs. PCR identified DNA from L. braziliensis in 86 (21.6%) animals, where as all samples proved negative for L. infantum chagasi. The 134 dogs (33.6%) testing positive using IFA and/ or PCR were considered infected, and of these, only 13 demonstrated skin lesions. Animals from rural areas were 3.39-times more likely to be infected compared to those in urban environments.

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Section: Discussionmentioning

confidence: 93%

Diagnosis and epidemiology of canine leishmaniasis in southeastern Bahia, Brazil

et al. 2016

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Leishmaniose tegumentar americana canina na zona rural do município de São Miguel, Rio Grande do Norte

Abstract: Leishmaniose tegumentar americana canina na zona rural do município de São Miguel, Rio Grande do Norte* Leishmaniasis Tegumentary American dog in rural area of the county of São Miguel,

Cited by 1 publication

References 5 publications

Diagnosis and epidemiology of canine leishmaniasis in southeastern Bahia, Brazil

Diagnosis and epidemiology of canine leishmaniasis in southeastern Bahia, Brazil

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