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Chagas ÉCDS, Ferreira FADS, Mwangi VI, Terrazas WCM, Becker JN, Simões RDC, Pacífico EMSS, Silva ASD, Marques CDS, Chagas ECDS, Machado MB, Figueira EAG, Castro DBD, Ramos TCA, Oliveira JHD. Spatio-temporal analysis of American Tegumentary Leishmaniasis incidences in the Brazilian state of Amazonas: 2011 to 2022. Acta Trop 2024; 256:107266. [PMID: 38772433 DOI: 10.1016/j.actatropica.2024.107266] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2024] [Revised: 05/17/2024] [Accepted: 05/18/2024] [Indexed: 05/23/2024]
Abstract
This study aimed to conduct a spatio-temporal analysis of tegumentary leishmaniasis occurrences in the Amazonas state, Brazil. An ecological study encompassing time series and spatial analysis was performed, exploring the geographic distribution and temporal trends of American Tegumentary Leishmaniasis (ATL) in Amazonas between 2011 and 2022. Secondary data extracted from the Department of Informatics of the Unified Health System (DATASUS) were utilized for this analysis. The study evaluated the relationship between disease cases and environmental/climatic variables (deforestation, temperature, precipitation, and relative humidity). Over the study period, 19,730 cases of tegumentary leishmaniasis were recorded, averaging an incidence of 41.4/100,000 inhabitants across the 62 municipalities of Amazonas state. Disease intensity varied with seasons. Generally, Amazonas state displayed a declining trend in ATL cases. However, certain municipalities, notably Rio Preto da Eva and Presidente Figueiredo, exhibited high incidence rates, while Canutama, Envira, Eirunepé, and Pauini municipalities demand closer attention due to their demonstrated increasing temporal trend of ATL cases. The analysis indicated a correlation between the number of ATL cases reported and relative humidity as well as precipitation. These findings underscore the significance of tegumentary leishmaniasis as a public health issue in the region and emphasize the necessity for public initiatives aimed at preventing this endemic illness.
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Affiliation(s)
| | | | - Victor Irungu Mwangi
- Programa de Pós-Graduação em Medicina Tropical, Universidade do Estado do Amazonas/ Fundação de Medicina Tropical Doutor Heitor Vieira Dourado, Manaus, Amazonas, Brazil
| | | | - Jaidson Nandi Becker
- Fundação de Vigilância em Saúde do Amazonas Dra, Rosemary Costa Pinto, Manaus, Amazonas, Brazil
| | - Rejane de Castro Simões
- Fundação de Vigilância em Saúde do Amazonas Dra, Rosemary Costa Pinto, Manaus, Amazonas, Brazil
| | | | - Arineia Soares da Silva
- Programa de Pós-Graduação em Medicina Tropical, Universidade do Estado do Amazonas/ Fundação de Medicina Tropical Doutor Heitor Vieira Dourado, Manaus, Amazonas, Brazil
| | - Cintia da Silva Marques
- Fundação de Vigilância em Saúde do Amazonas Dra, Rosemary Costa Pinto, Manaus, Amazonas, Brazil
| | | | - Myrna Barata Machado
- Fundação de Vigilância em Saúde do Amazonas Dra, Rosemary Costa Pinto, Manaus, Amazonas, Brazil
| | | | - Daniel Barros de Castro
- Fundação de Vigilância em Saúde do Amazonas Dra, Rosemary Costa Pinto, Manaus, Amazonas, Brazil
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Impact of El Niño on the dynamics of American cutaneous leishmaniasis in a municipality in the western Amazon. Acta Trop 2021; 222:106032. [PMID: 34245685 DOI: 10.1016/j.actatropica.2021.106032] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2021] [Revised: 05/26/2021] [Accepted: 06/25/2021] [Indexed: 11/23/2022]
Abstract
Vector-borne diseases are some of the leading public health problems in the tropics, and their association with climatic anomalies is well known. The current study aimed to evaluate the trend of American cutaneous leishmaniasis cases in the municipality of Manaus, Amazonas-Brazil, and its relationship with climatic extremes (ENSO). The study was carried out using a series of secondary data from notifications on the occurrence of several American cutaneous leishmaniasis cases in the municipality of Manaus between 1990 and 2017 obtained through the Sistema de Informação de Agravos de Notificação. Data regarding temperature, relative humidity, and precipitation for this municipality were derived from the Instituto Nacional de Meteorologia (INMET) and the National Oceanic and Atmospheric Administration (NOAA) websites. Coherence and wavelet phase analysis was conducted to measure the degree of relationship of the occurrence of the cases of cutaneous leishmaniasis and the El Niño-Southern Oscillation (ENSO). The results show that during La Niña events, an increase in American cutaneous leishmaniasis (ACL) cases is anticipated after the increase in rainfall from November, resulting in a more significant number of cases in January, February, and March. It was observed that in the municipality of Manaus, the dynamics of ACL cases are directly influenced by ENSO events that affect environmental variables such as precipitation, temperature, and humidity. Therefore, climatic variations consequently change the ACL incidence dynamics, leading to subsequent increases or decreases in the incidence of ACL cases in the area.
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Soares MMM, Barros LM, Bôlla DAS, Almeida MQ, Souza DDC, Souza de Araujo J, Sacheto MC, da Silva DAT, Fonseca R. Furuncular Myiasis by Dermatobia hominis (Diptera: Oestridae) in Wild Jaguars in the Amazon Rainforest. JOURNAL OF MEDICAL ENTOMOLOGY 2021; 58:1936-1940. [PMID: 33855359 DOI: 10.1093/jme/tjab057] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/04/2020] [Indexed: 06/12/2023]
Abstract
Two individuals of the jaguar, Panthera onca (L.), were captured near the municipality of Presidente Figueiredo, Brazilian Amazon, during the years of 2017 and 2018. The jaguars presented furuncular myiasis caused by the human botfly Dermatobia hominis (L.) on the rear thighs and tail. This is the first record of infestation of D. hominis in P. onca in the Amazon region.
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Affiliation(s)
- Matheus Mickael Mota Soares
- Graduate Program in Entomology (PPG-Ent), Instituto Nacional de Pesquisas da Amazônia (INPA), Av. André Araújo, 2936, Petrópolis, CEP 69067-375, Manaus, Amazonas, Brazil
| | - Luana Machado Barros
- Graduate Program in Entomology (PPG-Ent), Instituto Nacional de Pesquisas da Amazônia (INPA), Av. André Araújo, 2936, Petrópolis, CEP 69067-375, Manaus, Amazonas, Brazil
| | - Daniela Aparecida Savariz Bôlla
- Laboratório de Zoologia e Ecologia de Vertebrados (LABZEV), Universidade do Extremo Sul Catarinense, Av. Universitária, 1105, Bairro Universitário, CEP 88806-000, Criciúma, Santa Catarina, Brazil
| | - Marlus Queiroz Almeida
- Graduate Program in Entomology (PPG-Ent), Instituto Nacional de Pesquisas da Amazônia (INPA), Av. André Araújo, 2936, Petrópolis, CEP 69067-375, Manaus, Amazonas, Brazil
| | - Diego da Costa Souza
- Laboratório de Interações Fauna e Floresta, Universidade Federal do Amazonas FCA, Av. General Rodrigo Otávio Jordão Ramos, 3000, Campus Universitário Setor Sul, Manaus, Amazonas, Brazil
| | - Jucileide Souza de Araujo
- Laboratório de Interações Fauna e Floresta, Universidade Federal do Amazonas FCA, Av. General Rodrigo Otávio Jordão Ramos, 3000, Campus Universitário Setor Sul, Manaus, Amazonas, Brazil
| | - Michelle Cristina Sacheto
- Laboratório de Interações Fauna e Floresta, Universidade Federal do Amazonas FCA, Av. General Rodrigo Otávio Jordão Ramos, 3000, Campus Universitário Setor Sul, Manaus, Amazonas, Brazil
| | - Davi Anderson Tamborini da Silva
- Laboratório de Interações Fauna e Floresta, Universidade Federal do Amazonas FCA, Av. General Rodrigo Otávio Jordão Ramos, 3000, Campus Universitário Setor Sul, Manaus, Amazonas, Brazil
| | - Rogério Fonseca
- Laboratório de Interações Fauna e Floresta, Universidade Federal do Amazonas FCA, Av. General Rodrigo Otávio Jordão Ramos, 3000, Campus Universitário Setor Sul, Manaus, Amazonas, Brazil
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Brilhante AF, Melchior LAK, Nunes VLB, Cardoso CDO, Galati EAB. Epidemiological aspects of American cutaneous leishmaniasis (ACL) in an endemic area of forest extractivist culture in western Brazilian Amazonia. Rev Inst Med Trop Sao Paulo 2017; 59:e12. [PMID: 28423087 PMCID: PMC5398184 DOI: 10.1590/s1678-9946201759012] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2016] [Accepted: 02/09/2017] [Indexed: 11/21/2022] Open
Abstract
The study sought to analyze clinical and epidemiological aspects of cutaneous leishmaniasis (CL) in Xapuri, Acre, Brazil. Data from 2008 to 2014 registered in the notification records of the disease of the Information System of the Complaints of Notification (SINAN), and the data of the Information Department of the Unified Health System (DATASUS) available from 2007 to 2013 were used and analyzed in the light of the statistics of the temporal series by the Prais-Winsten method and chi-squared test. A total of 906 cases were registered with 60.2% occurring in men and 39.7% in women. The groups from 0 to 4 years of age (48.0%) and from 5 to 19 years of age (23.3%) were the most affected. Regarding the clinical forms, 77.7% presented CL and 22.3% mucocutaneous leishmaniasis (MCL). Among the 896 cases with information on the diagnostic methods used, Montenegro's skin test predominated (66.4%), with a positive result of 95.8% for CL and 99.3% for MCL. Treatment with N-methylglucamine antimony was performed in 99.4% of the cases, but discontinuously used in the majority of patients. This study presents information which may be used as a tool for the epidemiological surveillance and control of the disease in Xapuri, a region which depends essentially on forest resources and ecological tourism.
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Ramos WR, Medeiros JF, Julião GR, Ríos-Velásquez CM, Marialva EF, Desmouliére SJM, Luz SLB, Pessoa FAC. Anthropic effects on sand fly (Diptera: Psychodidae) abundance and diversity in an Amazonian rural settlement, Brazil. Acta Trop 2014; 139:44-52. [PMID: 25009952 DOI: 10.1016/j.actatropica.2014.06.017] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2013] [Revised: 05/11/2014] [Accepted: 06/30/2014] [Indexed: 11/30/2022]
Abstract
Sand flies (Diptera: Psychodidae) are responsible for the transmission of protozoan parasites that cause leishmaniases. They are found predominantly in forests, but some species exploit environments that have been subject to deforestation and subsequent human colonization. Studies conducted in Brazil over the past 30 years show that some species are adapting to peri-urban and urban settings. We evaluated sand fly diversity and abundance in the rural settlement of Rio Pardo, Presidente Figueiredo Municipality, Amazonas State, Brazil. Settlement households were divided into four categories. These categories were determined by the human population density and the degree of deforestation in the immediate area. We used CDC light traps to sample the area surrounding 24 households (6 households in each category). Samples were taken on six occasions during September-November 2009 and June-August 2010. A total of 3074 sand fly specimens were collected, including 1163 females and 1911 males. These were classified into 13 genera and 52 species. The greatest abundance of sand flies and the greatest richness of species were observed in areas where human population density was highest. Our results show that changes in the human occupancy and vegetation management in rural settlements may affect the population dynamics and distribution of sand fly species, thereby affecting the local transmission of cutaneous leishmaniases.
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Affiliation(s)
- Walkyria Rodrigues Ramos
- Programa de Pós-Graduação em Entomologia Instituto Nacional de Pesquisas da Amazônia/INPA, Av. André Araújo 2936, Petrópolis, CP 2223, Manaus, Amazonas CEP 69080-971, Brazil; Instituto Leônidas e Maria Deane, Fiocruz AMAZÔNIA, Rua Terezina, 476, Adrianópolis, Manaus, Amazonas CEP 69-057-070, Brazil
| | - Jansen Fernandes Medeiros
- Programa de Pós-Graduação em Entomologia Instituto Nacional de Pesquisas da Amazônia/INPA, Av. André Araújo 2936, Petrópolis, CP 2223, Manaus, Amazonas CEP 69080-971, Brazil; Fundação Oswaldo Cruz, Fiocruz Rondônia, Rua da Beira 7671, Porto Velho, Rondônia CEP 76812-245, Brazil
| | - Genimar Rebouças Julião
- Fundação Oswaldo Cruz, Fiocruz Rondônia, Rua da Beira 7671, Porto Velho, Rondônia CEP 76812-245, Brazil
| | - Claudia María Ríos-Velásquez
- Instituto Leônidas e Maria Deane, Fiocruz AMAZÔNIA, Rua Terezina, 476, Adrianópolis, Manaus, Amazonas CEP 69-057-070, Brazil
| | - Eric Fabrício Marialva
- Instituto Leônidas e Maria Deane, Fiocruz AMAZÔNIA, Rua Terezina, 476, Adrianópolis, Manaus, Amazonas CEP 69-057-070, Brazil
| | - Sylvain J M Desmouliére
- Instituto Leônidas e Maria Deane, Fiocruz AMAZÔNIA, Rua Terezina, 476, Adrianópolis, Manaus, Amazonas CEP 69-057-070, Brazil
| | - Sérgio Luiz Bessa Luz
- Instituto Leônidas e Maria Deane, Fiocruz AMAZÔNIA, Rua Terezina, 476, Adrianópolis, Manaus, Amazonas CEP 69-057-070, Brazil
| | - Felipe Arley Costa Pessoa
- Instituto Leônidas e Maria Deane, Fiocruz AMAZÔNIA, Rua Terezina, 476, Adrianópolis, Manaus, Amazonas CEP 69-057-070, Brazil.
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Cella W, Melo SCCSD, Dell Agnolo CM, Pelloso SM, Silveira TGV, Carvalho MDDB. Seventeen years of American cutaneous leishmaniasis in a Southern Brazilian municipality. Rev Inst Med Trop Sao Paulo 2012; 54:215-8. [PMID: 22850994 DOI: 10.1590/s0036-46652012000400006] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2011] [Accepted: 04/27/2012] [Indexed: 11/22/2022] Open
Abstract
We reviewed the records of 151 patients diagnosed with American cutaneous leishmaniasis (ACL) from 1993 to 2009 in the municipality of Japura, Paraná, Brazil. Gender, age, occupation, place of residence, location of lesions, type and number of lesions were analyzed. The prevalence rate of ACL was 11.5/10,000 hab, of which 84.7% were male, 58.3% lived in rural area and 49.0% were farmers. The most frequent age group was between 30 to 39 years (26.6%). Skin lesions occurred in 92.7% of the patients with predominance in the lower limbs (23.9%) and 49.1% of the records did not include the number of lesions location due to incomplete filling. A single ulceration was present in 44.4%. Japurá is an endemic area for ACL, requiring public actions and preventive education.
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Affiliation(s)
- Wilsandrei Cella
- Programa de Pós-Graduação em Ciências da Saúde, UEM, Paraná, Brazil.
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Brito MEFD, Silva CJ, Silva CM, Salazar PR, Coutinho JS, Reis LDC, Pereira VRA, Brandão-Filho SP, Medeiros ÂCR. Clinical epidemiological profile of American tegumentary leishmaniasis at the Pinto Sugar Mill in Moreno Municipality, Greater Metropolitan Recife, Pernambuco State, Brazil. CAD SAUDE PUBLICA 2008; 24:2445-8. [DOI: 10.1590/s0102-311x2008001000025] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2007] [Accepted: 04/24/2008] [Indexed: 11/21/2022] Open
Abstract
American tegumentary leishmaniasis (ATL) is present in all regions of Pernambuco State, Brazil, where it is spreading, with the emergence of foci in new areas like the Municipality (County) of Moreno in Greater Metropolitan Recife. The objective of the current study was to assess the prevalence of infection and identify autochthonous cases of ATL. In April 2006 a population survey was performed using a questionnaire and the Montenegro skin test (MST) in 481 individuals from the Pinto Sugar Mill, of whom 47% were males and 74% were younger than 30 years. One hundred forty-four individuals (30%) showed a positive MST. Of these, five presented active lesions, 41 were cured after meglumine antimoniate treatment, and one showed a spontaneous cure. Indirect immunofluorescence (IIF) was performed on sera from 89 individuals and showed a 36% positive rate. The high ATL prevalence demonstrates the epidemiological spread of the disease in Greater Metropolitan Recife, a worrisome development since there are no effective measures for ATL control except ecological awareness raising to minimize the risk of infection.
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Silva-Nunes MD, Cavasini CE, Silva NSD, Galati EAB. Epidemiologia da Leishmaniose Tegumentar e descrição das populações de flebotomíneos no município de Acrelândia, Acre, Brasil. REVISTA BRASILEIRA DE EPIDEMIOLOGIA 2008. [DOI: 10.1590/s1415-790x2008000200006] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
São apresentadas neste artigo a distribuição da leishmaniose tegumentar (LT) e descrição das populações de flebotomíneos em Acrelândia, Acre. Os dados epidemiológicos foram obtidos a partir de fichas de notificação de casos ocorridos entre 2001 e 2004, e os dados entomológicos são provenientes de capturas com armadilhas luminosas efetuadas entre 2004 e 2005 na zona rural de Acrelândia. Ocorreram 82 novos casos de LT, com idade entre 2 e 69 anos, sendo 75,6% em homens e 83,9% na zona rural. Predominou a LT com lesões únicas (78%). A microscopia direta da lesão, intradermorreação de Montenegro e biópsia apresentaram positividade de 100%, 98% e 79,5%, respectivamente. A resposta ao tratamento farmacológico foi bem sucedida em 71,6% dos casos; a falência terapêutica foi maior em pacientes com diagnóstico exclusivamente clínico (41,2%) e nos que receberam dose diária inadequada de antimonial pentavalente (64,3%). Foram coletados 40 espécimes de flebotomíneos em propriedades rurais com casos de LT (3 gêneros, 14 espécies), sendo 3 espécies conhecidas como vetoras ou possíveis vetoras de Leishmania: Nyssomyia antunesi predominou no peridomicílio (59,1%) e em margens de matas; Nyssomyia whitmani foi freqüente no peridomicílio (15%) e a única espécie encontrada no intradomicílio, e Trichophoromyia ubiquitalis foi capturada no peridomicílio. O uso de dados epidemiológicos existentes no serviço de saúde de Acrelândia, embora com várias limitações, permitiu avaliar a eficácia do diagnóstico e o tratamento empregados no município, enquanto os dados entomológicos coletados podem orientar estudos mais amplos visando identificar os vetores e espécies circulantes na região.
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