A expansão da epidemia da leishmaniose visceral no Estado de Mato Grosso, 1998-2005

Mestre, Gustavo Leandro da Cruz; Fontes, Cor Jésus Fernandes

doi:10.1590/s0037-86822007000100008

Cited by 80 publications

(81 citation statements)

References 19 publications

(9 reference statements)

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“…Additionally, organic matter is present, which creates ideal conditions for the vector, and the families living in these regions are of low socioeconomic status. The combination of these factors characterizes these clusters as high-risk areas for the occurrence of disease 28,29 and confi rms the results obtained by the spatial and spatiotemporal analyses. These characteristics are factors that interact in the ecology of the disease and have already been detected and observed in other regions of Brazil 30 .…”

Section: Vlh Cases -1999 To 2012supporting

confidence: 82%

Temporal, spatial and spatiotemporal analysis of the occurrence of visceral leishmaniasis in humans in the City of Birigui, State of São Paulo, from 1999 to 2012

Vieira

Oliveira

Rodas

et al. 2014

Rev. Soc. Bras. Med. Trop.

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Introduction:In 1999, Birigui and Araçatuba were the fi rst municipalities in the State of São Paulo to present autochthonous cases of visceral leishmaniasis in humans (VLH). The aim of this study was to describe the temporal, spatial and spatiotemporal behaviors of VLH in Birigui. Methods: Secondary data were obtained from the Notifi able Diseases Information System from 1999 to 2012. The incidence, mortality and case fatality rates by sex and age were calculated. The cases of VLH were geocoded and grouped according to census tracts. Local empirical Bayesian incidence rates were calculated. The existence of spatial and spatiotemporal clusters was investigated using SaTScan software. Results: There were 156 confi rmed cases of autochthonous VLH. The incidence rate was higher in the 0-4-year-old children, and the mortality and case fatality rates were higher in people aged 60 years and older. The peaks of incidence occurred in 2006 and 2011. The Bayesian rates identifi ed the presence of VLH in all of the census tracts in the municipality; however, spatial and spatiotemporal clusters were found in the central area of the municipality. Conclusions: Birigui, located in the Araçatuba region, has recently experienced increasing numbers of VLH cases; this increase is contrary to the behavior observed over the entire region, which has shown a decreasing trend in the number of VLH cases. The observations that the highest incidence is in children 0-4 years old and the highest mortality is in people 60 years and older are in agreement with the expected patterns of VLH.

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Section: Vlh Cases -1999 To 2012supporting

confidence: 82%

Temporal, spatial and spatiotemporal analysis of the occurrence of visceral leishmaniasis in humans in the City of Birigui, State of São Paulo, from 1999 to 2012

Vieira

Oliveira

Rodas

et al. 2014

Rev. Soc. Bras. Med. Trop.

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“…Canine sampling was defined considering disease prevalence of 8.4% FONTES, 2007), with a significance level of 2% and 99% confidence interval based on the 2007 canine census. The survey was conducted through home visits, considering one residence for every five.…”

Section: Description Of the Animalsmentioning

confidence: 99%

“…Thus, an expansion of the disease to areas considered non-endemic has also been noticed in several Brazilian regions (DE PAULA et al, 2009;SOUZA et al, 2009). In the State of Mato Grosso (MT), in the Midwest region of country, the first report of human leishmaniasis dates from 1973 (BARUFFA; CURY, 1973); however, dissemination of the disease to many municipalities was observed in 1998, including Cuiabá, the capital city of the state FONTES, 2007). In 2010, 313 cases of human visceral leishmaniasis (VL) were registered in Midwestern Brazil, with the State of Mato Grosso contributing with 54 cases (BRASIL, 2011).…”

Section: Introductionmentioning

confidence: 99%

Canine visceral leishmaniasis: seroprevalence and risk factors in Cuiabá, Mato Grosso, Brazil

Almeida

Sousa

Cruz

et al. 2012

Rev. Bras. Parasitol. Vet.

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In Brazil, canine visceral leishmaniasis (CVL) is endemic and the number of cases in humans and dogs has increased in the Midwest region. A transversal study was carried out in endemic areas from Cuiabá, State of Mato Grosso, to assess data on seroprevalence and risk factors associated to canine infection. Four hundred and thirty (430) dogs were randomly evaluated through indirect fluorescence antibody test (IFAT) considering variables related to the animals, the environment and the knowledge by owners on CVL aspects and control. From 430 dogs, 95 (22.1%) were seroreagent for leishmaniasis and animals living in rural environments present risk 1.9 times higher for acquiring the disease than those in urban environments (p = 0.01; OR 1.9). Factors related to animals' habits, such as free access to the street and guard function were considered indicators to predict infection by Leishmania sp. (p < 0.05) by statistical univariate analysis. The presence of agricultural activities was also a fact that contributed for the insurgence of the infection (p = 0.02; OR 1.68). The results contributed to the knowledge on the aspects of CVL in Cuiabá and point to an urgent need to include educational and sanitary programs in the city, since the region presents favorable characteristics for spreading the infection of CVL as already observed in other Brazilian cities.Keywords: Canine visceral leishmaniasis, dogs, risk factors, infection, Brazil. ResumoNo Brasil, a leishmaniose visceral canina (CLV) é endêmica e, na região Centro-Oeste, o número de casos em humanos e cães tem aumentado. Um estudo transversal foi realizado em áreas endêmicas de Cuiabá (MT) com objetivo de avaliar dados sobre a soroprevalência e determinar os fatores de risco associados à infecção canina. Quatrocentos e trinta (430) cães foram aleatoriamente avaliados pelo teste de imunofluorescência indireta, considerando-se variáveis relacionadas aos animais, o ambiente e o conhecimento por parte dos proprietários sobre aspectos da CLV e seu controle. Dos 430 cães, 95 (22,1%) apresentaram-se soros reagentes para leishmaniose, e os animais que viviam em ambiente rural apresentaram risco 1,9 vezes maior de adquirir a infecção dos que aqueles em ambiente urbano (p = 0,01; OR 1,9). Fatores relacionados aos hábitos dos animais, tais como o livre acesso à rua e função de guarda, foram considerados indicadores para prever a infecção por Leishmania sp. (p < 0,05) em análise estatística univariada. A presença de atividade agrícola foi também um fato que contribuiu para a ocorrência da infecção (p = 0,02; OR 1,68). Os resultados contribuem para o conhecimento sobre os aspectos da CVL em Cuiabá e apontam para uma necessidade urgente de incluir ações educativas e sanitárias na cidade, já que a região possui características favoráveis para a dispersão da doença como já observado em outras cidades.Palavras-chave: Leishmaniose visceral canina, cães, fatores de risco, infecção, Brasil.

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“…longipalpis abundance, such as those associated with unplanned urbanisation and high population densities, as well as other sociodemographic factors (Grimaldi & Tesh 1993, Oliveira et al 2006a, Mestre & Fontes 2007, Rangel & Vilela 2008, Fernández et al 2010, Saraiva et al 2011. Henhouses, chickens and other domestic animals, fruit trees, tree coverage, poor sanitation and a low socioeconomic level have also been associated with sandfly colonisation and the abundance of breeding sites (Sherlock 1996, Alexander et al 2002, Costa et al 2005, Oliveira et al 2003, 2006b, Fernández et al 2010).…”

mentioning

confidence: 99%

Lutzomyia longipalpis abundance in the city of Posadas, northeastern Argentina: variations at different spatial scales

Santini

Fernández

Pérez

et al. 2012

Mem. Inst. Oswaldo Cruz

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The distribution of Lutzomyia longipalpis is heterogeneous with a pattern of high abundance areas (HAAs) embedded in a matrix of low abundance areas (LAAs). The objective of this study was to describe the variability in the abundance of Lu. longipalpis at two different spatial levels and to analyse the relationship between the abundance and multiple environmental variables. Of the environmental variables analysed in each household, the condition that best explained the differences in vector abundance between HAA-LAA was the variable "land_grass", with greater average values in the peridomestic environments within the LAA, and the variables "#sp tree", "#pots" and "dist_water" that were higher in the HAA. Of the environmental variables analysed in the patches, the variable "unpaved_streets" was higher in the LAAs and the variable "prop_inf_dogs" was higher in the HAAs. An understanding of the main environmental variables that influence the vector distribution could contribute to the development of strategies for the prevention and control of visceral leishmaniasis (VL). This is the first work in which environmental variables are analysed at the micro-scale in urban areas at the southern edge of the current range of Lu. longipalpis. Our results represent a significant contribution to the understanding of the abundance of the vector in the peridomestic habitats of the region

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A expansão da epidemia da leishmaniose visceral no Estado de Mato Grosso, 1998-2005

Abstract: RESUMO Uma epidemia de leishmaniose visceral teve início em 1998 na Região Metropolitana de Cuiabá, capital de Mato Grosso, atingindo hoje 34 (24,1%)

Cited by 80 publications

References 19 publications

Temporal, spatial and spatiotemporal analysis of the occurrence of visceral leishmaniasis in humans in the City of Birigui, State of São Paulo, from 1999 to 2012

Temporal, spatial and spatiotemporal analysis of the occurrence of visceral leishmaniasis in humans in the City of Birigui, State of São Paulo, from 1999 to 2012

Canine visceral leishmaniasis: seroprevalence and risk factors in Cuiabá, Mato Grosso, Brazil

Lutzomyia longipalpis abundance in the city of Posadas, northeastern Argentina: variations at different spatial scales

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