2019
DOI: 10.1590/0102-311x00047018
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Leishmaniose visceral e sua relação com fatores climáticos e ambientais no Estado do Tocantins, Brasil, 2007 a 2014

Abstract: Resumo: A leishmaniose visceral (LV) pode ser influenciada por fatores climáticos e ambientais. Tocantins é o estado com mais incidência no Brasil, contribuindo para o aumento dos casos na macrorregião Norte. Este estudo tem objetivo de identificar a correlação entre a taxa de incidência de LV e fatores climáticos e ambientais, nos municípios do Estado do Tocantins de 2007 a 2014. As correlações entre a taxa de incidência bruta de LV e as variáveis elevação, precipitação, Índice de Vegetação Melhorado (EVI - E… Show more

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Cited by 28 publications
(29 citation statements)
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References 23 publications
(24 reference statements)
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“…In a study carried out in the city of Ponta Pora, Brazil, three environmental variables (maximum temperature, relative humidity and rainfall) were positively correlated with the abundance of sandflies 34 . In Tocantins State, between 2007 and 2014, a positive correlation was observed between the HVL incidence coefficient and climate/ environmental variables, such as temperature, air humidity and precipitation 35 . El Niño episodes were related to the variation in the annual incidence of HVL in Bahia State, suggesting an early warning system based on these episodes to help reducing the health impact of disease in susceptible regions in Brazil 36 .…”
Section: Discussionmentioning
confidence: 96%
“…In a study carried out in the city of Ponta Pora, Brazil, three environmental variables (maximum temperature, relative humidity and rainfall) were positively correlated with the abundance of sandflies 34 . In Tocantins State, between 2007 and 2014, a positive correlation was observed between the HVL incidence coefficient and climate/ environmental variables, such as temperature, air humidity and precipitation 35 . El Niño episodes were related to the variation in the annual incidence of HVL in Bahia State, suggesting an early warning system based on these episodes to help reducing the health impact of disease in susceptible regions in Brazil 36 .…”
Section: Discussionmentioning
confidence: 96%
“…A study carried out in Tocantins State evaluated the correlation of the HVL incidence rate with environmental and climate variables. These rates increase as night temperature increases, as well as air humidity and precipitation (Reis et al ., 2019). Temperature increase is associated with phlebotomine density increase, contributing to the occurrence of higher contact between vector and host and favouring the disease spread (Galati et al ., 2015), as well as its activity (Rivas et al ., 2014).…”
Section: Discussionmentioning
confidence: 99%
“…The city of Araguaia, in the North of the state, has one of the highest rates of HVL (Silva, 2016). In addition to intense urban expansion, deforestation without proper planning and inadequate infrastructure shows climate and environmental factors favourable to the vector development (Reis et al ., 2019). Besides climate and environmental factors, others have been associated with subjects, including socioeconomic status, low immunity, and nutritional condition (Toledo et al ., 2017).…”
Section: Discussionmentioning
confidence: 99%
“…Em confluência, Reis et al (2019) afirmam que há a viabilidade de existirem circunstâncias ambientais auspiciosas à proliferação de vetores, bem como de reservatórios selvagens, propiciando a ocorrência e disseminação da doença. A despeito, faz-se fundamental, ainda, analisar características individuais, como a condição imunológica, o estado nutricional e o nível socioeconômico, além do acondicionamento de reservatórios caninos (Toledo, et al, 2017).…”
Section: Leishmaniose Visceralunclassified