998 resultados para Leishmaniasis, Visceral, prevention
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Pós-graduação em Doenças Tropicais - FMB
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Pós-graduação em Doenças Tropicais - FMB
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Pós-graduação em Doenças Tropicais - FMB
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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
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Pós-graduação em Medicina Veterinária - FMVZ
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Pós-graduação em Biotecnologia - IQ
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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
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Visceral leishmaniasis (VL), also known as kala-azar, is a disseminated protozoan infection caused by Leishmania donovani complex. Traditionally the definite diagnosis is made by amastigote detection in the tissue. The aim this study was to evaluate the PCR technique in stained slides of bone marrow and lymph nodes aspirates with suspect diagnosis for leishmaniasis. Slides were selected totaling 62 suspect cases (33 bone marrow samples and 29 lymph node samples) and 17 positive cases (8 bone marrow and 9 lymph node). From 62 suspect cases, 39 (62.90%) were confirmed to be positive being 17 (n = 29) lymph node aspirates and 22 (n = 33) bone marrow. This finding is in agreement with the higher sensitivity of the PCR assay compared to direct microscopic observation. In conclusion, the findings of this study supports the use of PCR on archive cytological preparation stained slides for the diagnosis of canine visceral leishmaniasis, emphasizing the higher sensitivity of this technique when compared to direct microscopic examination and mostly the use of the suspect status for the cytology samples that presents the previously mentioned particularities with focus on detecting the oligosymptomatic or assymptomatic dogs in endemic areas functioning as potential reservoirs for this disease. (C) 2014 Elsevier B.V. All rights reserved.
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In Brazil, the importance of leishmaniosis it is seen in its high incidence and huge distribution, as well as the possibility of became a lethal disease. It´s a zoonosis of canids, felines, rodents e marsupials, that is transmitted to men through vector bugs. Visceral leishmaniosis, the most serious and prevalent form, strongly became as an emergent and endemic disease, seeing in many Brazilian states, also bringing a lot of problems to public health. Because of this, it´s notable that the increase of urbanization in the last 20 years put in quest all the control strategies existent, the measures implanted until today were incapable to eliminate the transmission as to impede the occurrence of new epidemics. The prevention of dogs through imunoprophylaxis appear as an alternative, however to have a safe use it´s needed other studies, that can bring real results. The research below shows the increase of visceral leishmaniosis during the years, associated mainly to human cases, besides of dismember the tries used or that will be used with objective of dicrease the spread of leishmaniosis
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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
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Pós-graduação em Medicina Veterinária - FCAV
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Coordenação de Aperfeiçoamento de Pessoal de NÃvel Superior (CAPES)
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Pós-graduação em Biociências e Biotecnologia Aplicadas à Farmácia - FCFAR
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Pós-graduação em Ciência Animal - FMVA