Prevalência e epidemiologia da leishmaniose visceral em cães e humanos, na cidade de Cuiabá, Mato Grosso, Brasil

Almeida, Arleana do Bom Parto Ferreira de; Mendonça, Adriane Jorge; Sousa, Valéria Régia Franco

doi:10.1590/s0103-84782010005000102

Cited by 36 publications

(41 citation statements)

References 14 publications

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“…Although dogs with VL may remain asymptomatic, this study was similar to others (ALMEIDA et al, 2010) in its finding of a higher prevalence of symptomatic dogs among those monoinfected by Leishmania sp. (74.5%; 54/73).…”

Section: Resultssupporting

confidence: 90%

“…These data suggest that leishmaniasis has no predilection for any age nor breed in the endemic area studied herein. Other studies have reported similar findings (ALMEIDA et al, 2010;SEIXAS et al, 2012). Although some authors state that this disease is more common in males (SEIXAS et al, 2012), the current study found showed no predilection for one sex over another, nor did another study (ALMEIDA et al, 2010).…”

Section: Resultssupporting

confidence: 71%

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Ocular diseases in dogs naturally affected by visceral leishmaniasis in Teresina, Piauí, Brazil

et al. 2017

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This study aimed to characterize ocular diseases in dogs naturally affected by visceral leishmaniasis in Teresina, Piauí State, Brazil. The diagnosis was made using parasitological exams of the bone-marrow and lymph-node samples. The main ophthalmological findings were uveitis, conjunctivitis, blepharitis, keratitis, and keratoconjunctivitis sicca. Normocytic normochromic anemia was the main hematological finding, followed by thrombocytopenia. Plasma proteins were also considered, and hyperproteinemia, hypergammaglobulinemia, and hypoalbuminemia were observed. Ocular histopathological examination revealed mild inflammation involving lymphocytes, monocytes, and macrophages. Results indicate the need to perform a differential diagnosis to rule out or establish the presence of Leishmania sp. in dogs presenting with ophthalmic lesions in endemic regions.

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Section: Resultssupporting

confidence: 90%

Section: Resultssupporting

confidence: 71%

Ocular diseases in dogs naturally affected by visceral leishmaniasis in Teresina, Piauí, Brazil

et al. 2017

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“…In addition, dogs are a domestic reservoir for both diseases (BRASIL, 2006;RIBEIRO, 2010). The high rate of positivity for CVL (51.35%) found by ELISA in the present study was much higher than the rates of 30.67% and 37.3% reported in Dourados -MS (MARCONDES, 2009) and Cuiabá -MT (ALMEIDA et al, 2010), respectively. This finding stresses the importance of accurate disease diagnosis because cross-reactivity is possible.…”

Section: Discussioncontrasting

confidence: 76%

Canine visceral leishmaniasis and Chagas disease among dogs in Araguaína, Tocantins

Morais

Sousa

Meireles

et al. 2013

Rev. Bras. Parasitol. Vet.

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The present study analyzed serum samples from 111 male and female dogs of various ages from the municipality of Araguaína in the State of Tocantins, Brazil. Serological diagnosis of canine visceral leishmaniasis (CVL) was initially performed at the Central Laboratory (Laboratório Central -LACEN) of Araguaína, resulting in 61 positive samples by an indirect immunofluorescence assay (IIFA) (≥1:40) and 50 non-reactive samples. The same samples were analyzed at the São Paulo Institute of Tropical Medicine (Instituto de Medicina Tropical de São Paulo -IMTSP) by an enzymelinked-immunosorbent assay (ELISA), resulting in 57 positive samples (51.35%) and 54 negative samples (48.64%). The Kappa coefficient of agreement between the tests was 0.74. The serum samples were also subjected to a diagnostic assay for Trypanosoma cruzi (Trypomastigote Excreted/Secreted Antigens -TESA-blot) that detected five suspect animals; three of those animals were positive for leishmaniasis by ELISA but negative by IIFA. These findings suggest that the canine population of Araguaína may be simultaneously infected with Leishmania chagasi and T. cruzi. The results obtained demonstrate the difficulty of using serology to detect CVL, thus emphasizing the necessity for a reference test to diagnose CVL, particularly in regions where the infection is endemic.

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“…Previous studies have demonstrated that the prevalence of this canine disease differs based on their age range. This implies that the occurrence of leishmaniasis would be higher in adult dogs, as the incubation period would occur over a longer period of time, increasing the exposure of the host to this vector (ALMEIDA et al, 2010). In addition, soil composition was previously identified as risk factor for dogs in Paraíba (FERNANDES et al, 2016).…”

Section: Resultsmentioning

confidence: 99%

Occurrence and risk factors of zoonoses in dogs and owners in Sertão, Paraíba State, Northeastern Brazil

Fernandes

Costa

Pimenta

et al. 2018

SCA

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Seropositivity and risk factors for visceral leishmaniasis, Chagas disease, toxoplasmosis, and leptospirosis were investigated in 200 dogs and twenty-three owners in a municipality with a history of human cases of visceral leishmaniasis and toxoplasmosis in the region of Sertão, Paraíba State, Northeastern Brazil. In dogs, frequencies of 6% (95% confidence interval [CI] = 2.7-9.3%), 7.5% (95% CI = 3.8-11.2%), 18% (95% CI = 12.7-23.3%), and 14% (95% CI = 9.2-18.8%) were found for visceral leishmaniasis, Chagas disease, toxoplasmosis, and leptospirosis, respectively. An age of over 72 months and environment conditions (soil) were identified as risk factors for Leishmania chagasi infection. Free housing was identified as risk factor for Trypanosoma cruzi infection. For toxoplasmosis, free housing and contact with cats were found to be risk factors, while commercial food was a risk factor for leptospirosis. Of the twenty-three owners who agreed to participate in the study, eight were tested for leishmaniasis, three for Chagas disease, nine for toxoplasmosis, eleven for leptospirosis, and five were tested for more than one disease. Only anti-Toxoplasma gondii antibodies were found in the human population at a frequency of 44.4% (4/9); for all other diseases, all individuals were negative. The results indicate that such zoonoses are present in dogs from the studied region, but only toxoplasmosis was found in the owners. Our risk analysis suggests that cleaner soil, better storage of dog food, and avoiding free housing can reduce the risk of infection by these diseases. Key words: Canine. Guardians. Transmissible diseases. Epidemiology. ResumoForam investigados a soropositividade e os fatores de risco para leishmaniose visceral, doença de Chagas, toxoplasmose e leptospirose em 200 cães e 23 proprietários em um município do Sertão paraibano com histórico de casos humanos de leishmaniose visceral e toxoplasmose. Nos cães, foram encontradas frequências de 6% (IC 95% = 2,7% -9,3%), 7,5% (IC 95% = 3,8% -11,2%), 18% (IC 95% = 12,7% -23,3%) e 14% (IC 95% = 9,2% -18,8%) para leishmaniose visceral, doença de Chagas, toxoplasmose e leptospirose, respectivamente. A idade > 72 meses e habitar em ambiente de terra foram apontados como fatores de risco para infecção por Leishmania chagasi. A criação solta, ou seja, não domiciliado, foi considerada como fator de risco para infecção por Trypanosoma cruzi. Para toxoplasmose, as categorias criação solta e contato com gatos foram fatores de risco, enquanto que para leptospirose a dieta à base de ração comercial. Dos vinte e três proprietários que aceitaram participar da pesquisa, oito foram testados para leishmaniose, três para doença de Chagas, nove para toxoplasmose, 11 para leptospirose e cinco indivíduos foram testados para mais de uma doença. Apenas anticorpos anti-Toxoplasma gondii foram encontrados na população humana com frequência de 44,4% (4/9), e para as demais doenças todos os indivíduos foram negativos. Os resultados indicam que tais zoonoses estão presentes nos cãe...

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Prevalência e epidemiologia da leishmaniose visceral em cães e humanos, na cidade de Cuiabá, Mato Grosso, Brasil

Abstract: A leishmaniose visceral é uma doença infecciosa endêmica em diversas regiões do Brasil, incluindo o Estado de

Cited by 36 publications

References 14 publications

Ocular diseases in dogs naturally affected by visceral leishmaniasis in Teresina, Piauí, Brazil

Ocular diseases in dogs naturally affected by visceral leishmaniasis in Teresina, Piauí, Brazil

Canine visceral leishmaniasis and Chagas disease among dogs in Araguaína, Tocantins

Occurrence and risk factors of zoonoses in dogs and owners in Sertão, Paraíba State, Northeastern Brazil

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