Estudo descritivo de casos notificados de febre maculosa em São Paulo, Rio de Janeiro e Minas Gerais entre 2007 e 2016

Rodrigues, Cláudio Manuel; Geise, Lena; Oliveira, Stefan Vilges de

doi:10.1590/1414-462x202331020104

Cited by 3 publications

(3 citation statements)

References 16 publications

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“…A study carried out from 2014 to 2019 in Mexico with 129 patients who died due to Rocky Mountain Spotted Fever (RMSF) did not identify a difference between genders, diverging from the research, which identified a higher proportion of deaths in males [11]. In Brazil, other studies that evaluated the epidemi- ological profile of RMSF identified a higher incidence of involvement in males [12]. This data may be related to the greater contact of this public with the vector, as work activities in peri-urban and rural regions are predominantly occupied by male workers, a reason corroborated by a study carried out in the United…”

Section: Discussionmentioning

confidence: 91%

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Brazilian Spotted Fever Mortality Profile: 2018 to 2022

Kassada,

da Costa,

de Castro

et al. 2023

AID

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Background: Spotted Fever (SF) is an acute febrile zoonosis of variable severity that typically occurs in an endemic manner with worldwide distribution. Considering that SF is a disease of significant public health importance, this study aims to identify the mortality profile due to SF in Brazil from 2018 to 2022. Methods: Quantitative and descriptive cross-sectional approach. Data were collected from Brazilian Spotted Fever (BSF) cases registered in the Notifiable Diseases Information System (SINAN-DATASUS) across all regions of Brazil. The data collected includes information on the following variables: year of symptom, evolution, sex, race, environment of infection, region of notification, and age group. Subsequently, the data was entered into Microsoft Excel to create tables and graphs. The chi-square test was then applied to statistically analyze the associations between qualitative variables. A modified Poisson regression model with robust variance was constructed to analyze the age group data and determine which categories had different probabilities of death. The results show the estimates obtained for prevalence ratios, as well as their respective confidence intervals and p-values. The statistical software SAS version 9.4 was used to perform the analysis and a significance level of 5% was considered. Results: From 2018 to 2022, a total of 1126 cases of BSF were reported. Out of these cases, 59.3% (668) were cured, 32.4% (364) resulted in death, 1.1% (13) died from other causes and 7.2% (81) had no recorded outcome. Regarding the region with the highest death rate, the Southeast region led with 99.45% (362) of cases, followed by the Northeast region with 0.45% (2). As for the age group, the majority (63.7%) fell between the ages of 20 and 59 years old. In terms of race/color, 52.7% of the population identified as white. Regarding the contamination environment, 39.3% were in leisure areas.

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Section: Discussionmentioning

confidence: 91%

“…Regarding the environments of contamination, it is worth highlighting the urbanization of the BSF, which can be explained by the proximity of residences to forest areas due to the disorderly growth of urban areas, directly affecting the natural habitat of wild animals and increasing the risk of contact with ticks [12].…”

Section: Discussionmentioning

confidence: 99%

Brazilian Spotted Fever Mortality Profile: 2018 to 2022

Kassada,

da Costa,

de Castro

et al. 2023

AID

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“…According to the Epidemiological Bulletin of the Ministry of Health [8], between 2007 and 2021, 36,497 cases of Spotted Fever were reported in Brazil, of which 2545 cases were confirmed. However, most cases are underreported [9]. Most of the BSF records occur in urban areas, with the Southeast region having the highest incidence rate of cases, due to the presence of A. sculptum and amplifying hosts [10,11].…”

Section: Introductionmentioning

confidence: 99%

Do Commercial Insect Repellents Provide Protection against the Tick Amblyomma sculptum (Acari: Ixodidae)?

de Barcelos,

Coelho,

Santos

et al. 2023

Pathogens

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Amblyomma sculptum is a species of public health interest because it is associated with the transmission of the bacteria that causes Brazilian Spotted Fever (BSF). The use of repellents on humans is a prophylactic measure widely used to provide protection against a series of arthropod vectors, including mosquitoes and ticks. However, in Brazil, the effectiveness of commercial repellents against A. sculptum is little known. Therefore, it is necessary to carry out specific studies to evaluate the repellency of these commercial products, registered for use against mosquitoes, against the star tick. The main goal of the present work was to evaluate the effectiveness of six commercial repellents against A. sculptum. Unfed nymphs, aged between two and eight weeks, were tested against products based on DEET (OFF!® and Repelex®), Icaridin (Exposis® and SBP®), and IR3535 (Johnsons and Henlau). Three bioassays were conducted to evaluate tick behavior: (i) filter paper, (ii) fingertip, and (iii) field. All bases tested showed high repellent activity, differing significantly (p < 0.05) from the control. It was observed the formulation with DEET resulted in the best results in the filter paper bioassay. In the fingertip bioassay, the DEET base repelled a greater number of ticks compared to Icaridin. In the field bioassay, there was no significant difference between the Icaridin base and DEET, and both formulations differed from the control (p < 0.05). The six formulations tested showed significant percentages of repellency against ticks; however, for the fingertip and field bioassays, the products OFF!®, Repelex®, and Exposis® were tested as they showed better performance in the filter paper test. OFF!® showed the best percentage of repellency (100%), followed by Repelex® (96.8%), and Exposis® (93.1%), considering the two-hour period of the bioassay-field-test. Proving the effectiveness of repellents on the market against A. sculptum presented in this study is crucial, since this is the main ectoparasite of humans that can transmit Rickettsia rickettsii when infected. The effectiveness of commercial insect repellents against other tick species that parasitize humans can also be explored.

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Comparação De Fatores Associados À Febre Maculosa Na População Pediátrica E Adulta No Brasil: 2007-2022

Espírito Santo,

Silva,

Silva

et al. 2024

Rev. Contemp.

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Objetivo: realizar uma análise comparativa entre as características clínicas e epidemiológicas da febre maculosa em populações pediátricas e adultas, relacionando com as variáveis utilizadas no estudo, para entender as diferenças entre as faixas etárias. Métodos: Estudo epidemiológico, observacional, de delineamento transversal com dados do Sistema de Informação de Agravos de Notificação (SINAN-DATASUS) referentes a casos confirmados de febre maculosa no Brasil entre janeiro de 2007 e dezembro de 2022, incluindo indivíduos de todas as faixas etárias. AS variáveis incluídas no estudo foram idade, sexo do paciente, sinais e sintomas clínicos, reservatórios, local de provável infecção, dados clínicos e de diagnóstico. Os microdados foram extraídos diretamente do servidor do DATASUS por meio de script em linguagem R. Para as análises de associação entre as variáveis explicativas e o desfecho, foi utilizado o teste qui-quadrado de Pearson, considerando nível de significância de 0,05. Como medida de associação foi utilizada a odds ratio (OR) ajustada pelo modelo de regressão logística e respectivo intervalo de confiança a 95% (IC95%). Todas as análises foram realizadas no software R versão 4.3.2 (R Core Team, Vienna, Austria). Resultados: Foram analisados 2709 perfis de febre maculosa, em ambos os grupos, o sexo masculino foi o majoritário, 71,65% em adultos e 62,40% no grupo pediátrico. Febre foi o sintoma mais recorrente, respectivamente, 91% em adultos e 95% na população pediátrica; a hospitalização nas crianças ocorreu com maior frequência: 72,40%, enquanto nos adultos 58,51%, o contato com carrapato foi similar: 85,96 % em adulto e 79,10% no pediátrico, os adultos frequentaram com maior frequência floresta, rio ou cachoeira 80,16 % em comparação 65,11% no grupo pediátrico. Conclusão: O sexo masculino foi mais suscetível, com o ambiente doméstico sendo o local de maior contágio. Na maioria das vezes, crianças são assintomáticas, enquanto na população adulta os sintomas mais comuns incluem dor de cabeça e mialgia. O diagnóstico laboratorial geralmente é limitado, e as taxas de mortalidade são altas.

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Estudo descritivo de casos notificados de febre maculosa em São Paulo, Rio de Janeiro e Minas Gerais entre 2007 e 2016

Cited by 3 publications

References 16 publications

Brazilian Spotted Fever Mortality Profile: 2018 to 2022

Brazilian Spotted Fever Mortality Profile: 2018 to 2022

Do Commercial Insect Repellents Provide Protection against the Tick Amblyomma sculptum (Acari: Ixodidae)?

Comparação De Fatores Associados À Febre Maculosa Na População Pediátrica E Adulta No Brasil: 2007-2022

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