Tendência temporal da leptospirose e sua associação com variáveis climáticas e ambientais em Santa Catarina, Brasil

Silva, Ana Elisa Pereira; Latorre, Maria do Rosário Dias de Oliveira; Neto, Francisco Chiaravalloti; Conceição, Gleice Margarete de Souza

doi:10.1590/1413-81232022273.45982020

Cited by 6 publications

(5 citation statements)

References 18 publications

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“…Minimum temperature, lagged by one week, was also found to be positively associated with leptospirosis risk. Several studies have previously identified that temperature may have a role in leptospirosis outbreaks [47][48][49][50][51], although this appears to be context specific, as other studies have not…”

Section: Discussionmentioning

confidence: 89%

Quantifying the relationship between climatic indicators and leptospirosis incidence in Fiji: A modelling study

Rees,

Lotto Batista,

Kama

et al. 2023

PLOS Glob Public Health

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Leptospirosis, a global zoonotic disease, is prevalent in tropical and subtropical regions, including Fiji where it’s endemic with year-round cases and sporadic outbreaks coinciding with heavy rainfall. However, the relationship between climate and leptospirosis has not yet been well characterised in the South Pacific. In this study, we quantify the effects of different climatic indicators on leptospirosis incidence in Fiji, using a time series of weekly case data between 2006 and 2017. We used a Bayesian hierarchical mixed-model framework to explore the impact of different precipitation, temperature, and El Niño Southern Oscillation (ENSO) indicators on leptospirosis cases over a 12-year period. We found that total precipitation from the previous six weeks (lagged by one week) was the best precipitation indicator, with increased total precipitation leading to increased leptospirosis incidence (0.24 [95% CrI 0.15–0.33]). Negative values of the Niño 3.4 index (indicative of La Niña conditions) lagged by four weeks were associated with increased leptospirosis risk (-0.2 [95% CrI -0.29 –-0.11]). Finally, minimum temperature (lagged by one week) when included with the other variables was positively associated with leptospirosis risk (0.15 [95% CrI 0.01–0.30]). We found that the final model was better able to capture the outbreak peaks compared with the baseline model (which included seasonal and inter-annual random effects), particularly in the Western and Northern division, with climate indicators improving predictions 58.1% of the time. This study identified key climatic factors influencing leptospirosis risk in Fiji. Combining these results with demographic and spatial factors can support a precision public health framework allowing for more effective public health preparedness and response which targets interventions to the right population, place, and time. This study further highlights the need for enhanced surveillance data and is a necessary first step towards the development of a climate-based early warning system.

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Section: Discussionmentioning

confidence: 89%

Quantifying the relationship between climatic indicators and leptospirosis incidence in Fiji: A modelling study

Rees,

Lotto Batista,

Kama

et al. 2023

PLOS Glob Public Health

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“…Além disso, é preciso melhorar o saneamento e ter medidas emergenciais já planejadas no caso de ocorrências de enchentes e desastres naturais. É fundamental também que os profissionais de saúde estejam aptos e preparados para lidar adequadamente com a investigação acerca da doença e de possíveis intervenções a pacientes que necessitem de diagnóstico e tratamento, se positivado (Silva et al, 2022).…”

Section: Resultsunclassified

Estudo epidemiológico: casos notificados de leptospirose em Curitiba, Paraná, entre 2018-2022

Hellmann,

Dantas,

Evans-Osses

2023

RSD

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A leptospirose é uma zoonose infecciosa ocasionada pela bactéria Leptpspira interrogans, transmitida principalmente pelo contato da urina de roedores com a mucosa do ser humano. As manifestações da doença acontecem entre o 5° e 14° dia, gerando mialgia, cefaleia, náuseas, fraqueza e perda de apetite. Nesse contexto, o objetivo deste trabalho foi realizar levantamento epidemiológico dos casos de leptospirose ocorridos no município de Curitiba-PR entre os anos 2018 e 2022. O estudo consistiu em uma abordagem quali-quantitativa, de natureza básica e exploratória, utilizando dados epidemiológicos disponíveis na plataforma do Departamento de Informática do Sistema Único de Saúde do Brasil (Datasus). Foram considerados os indicadores: incidência total de casos, notificações por sexo, faixa etária, área de moradia e relacionado ou não à atividade laboral. Foi observada ocorrência de 1.418 casos de leptospirose no Paraná, sendo 520 em Curitiba (36,67%), principalmente no ano de 2019. Houve prevalência em homens, sendo a faixa etária mais afetada a de adultos entre 20-59 anos e a com menor prevalência indivíduos menores de 1 ano e de 1-4 anos. Da totalidade dos casos, 70,38% corresponderam à área urbana. Concluindo que por se tratar de uma doença emergente, é fundamental que a Atenção Primária à Saúde (APS) busque compreender o comportamento epidemiológico, possíveis áreas de incidência e fatores de risco, promovendo educação sanitária e diagnóstico precoce, com uma equipe de saúde preparada ao atendimento da população.

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“…Outdoor recreational activities, including rafting, triathlons, canoeing, or bathing in contaminated natural water reservoirs are well-known risk factors in developed countries [16 ▪▪ ]. Epidemic outbreaks have been reported all over the world following floods [7 ▪ ,16 ▪▪ ,17].…”

Section: Pathogen and Mode Of Transmissionmentioning

confidence: 99%

“…carried by rats traded remains limited [36]. Brazil, identified L. copenhageni in human leptospirosis, animals, and environmental reservoirs [7 ▪ ,12,37]. Human leptospirosis has been reported from several other countries, including Vietnam and China [38,39].…”

Section: Current Trend-epidemiologymentioning

confidence: 99%

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Ocular leptospirosis: lack of awareness among ophthalmologists and challenges in diagnosis

Sivakumar¹

2022

Current Opinion in Ophthalmology

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Purpose of reviewSystemic leptospirosis exists worldwide. But leptospiral uveitis, an important late complication is not identified by ophthalmologists in several countries.Recent findingsIn the last 18 months numerous publications, especially on epidemiology, surveillances, and novel rapid diagnostic kits to test at the point of care site on leptospirosis have been published from all over the world. However, publications from ophthalmologists are very scarce. Remarkably ophthalmologists should know the global burden of leptospirosis, prevalence of the disease in their country, demographic factors associated, risk factors, and systemic signs to elicit relevant history and travel history. They should be aware of recent advances in investigations to confirm their clinical diagnosis.SummaryIt is quite evident from this work that leptospirosis is prevalent worldwide. Ophthalmologists’ awareness has to improve to identify the etiological diagnosis. They should have access to simple, less expensive, and less cumbersome laboratory tests.

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Tendência temporal da leptospirose e sua associação com variáveis climáticas e ambientais em Santa Catarina, Brasil

Cited by 6 publications

References 18 publications

Quantifying the relationship between climatic indicators and leptospirosis incidence in Fiji: A modelling study

Quantifying the relationship between climatic indicators and leptospirosis incidence in Fiji: A modelling study

Estudo epidemiológico: casos notificados de leptospirose em Curitiba, Paraná, entre 2018-2022

Ocular leptospirosis: lack of awareness among ophthalmologists and challenges in diagnosis

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