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30 years of fatal dengue cases in Brazil: a review

BACKGROUND: Over the last 30 years, extensive dengue epidemics have occurred in Brazil, characterized by emergences and re-emergences of different serotypes, a change in the epidemiological profile and an increase in the number of severe and fatal cases. Here, we present a review on the dengue fatal...

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Autores principales: Nunes, Priscila Conrado Guerra, Daumas, Regina Paiva, Sánchez-Arcila, Juan Camilo, Nogueira, Rita Maria Ribeiro, Horta, Marco Aurélio Pereira, dos Santos, Flávia Barreto
Formato: Online Artículo Texto
Lenguaje:English
Publicado: BioMed Central 2019
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6429821/
https://www.ncbi.nlm.nih.gov/pubmed/30898104
http://dx.doi.org/10.1186/s12889-019-6641-4
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author Nunes, Priscila Conrado Guerra
Daumas, Regina Paiva
Sánchez-Arcila, Juan Camilo
Nogueira, Rita Maria Ribeiro
Horta, Marco Aurélio Pereira
dos Santos, Flávia Barreto
author_facet Nunes, Priscila Conrado Guerra
Daumas, Regina Paiva
Sánchez-Arcila, Juan Camilo
Nogueira, Rita Maria Ribeiro
Horta, Marco Aurélio Pereira
dos Santos, Flávia Barreto
author_sort Nunes, Priscila Conrado Guerra
collection PubMed
description BACKGROUND: Over the last 30 years, extensive dengue epidemics have occurred in Brazil, characterized by emergences and re-emergences of different serotypes, a change in the epidemiological profile and an increase in the number of severe and fatal cases. Here, we present a review on the dengue fatal cases that occurred in Brazil in 30 years (1986–2015). METHODS: We performed an ecological study by using secondary data on dengue fatal cases obtained in the National System of Reported Diseases (Sistema de Informação de Agravos de Notificação -SINAN) and in the Mortality Information System (SIM), both maintained by the Brazilian Ministry of Health. Cases were analyzed by region, demographic variables, clinical classification and complications based on the data available. RESULTS: In 30 years (1986–2015), the Southeast region reported 43% (n = 2225) of all dengue deaths in the country. The Midwest region was responsible for 18% of the fatal cases. After 2000, deaths occurred in almost all states, with the exception of Santa Catarina and Rio Grande do Sul, South region. From 2006 to 2010, the number of deaths increased, with higher rates of mortality, especially in Goiás and Mato Grosso. From 2011 to 2015, Goiás became the state with the highest mortality rate in the country, and Rio Grande do Sul reported its first dengue deaths. In 30 years, a total of 2682 dengue deaths occurred in males and 2455 in females, and an equal distribution between the sexes was observed. From 1986 to 2006, dengue deaths occurred predominantly in individuals over 15 years old, but this scenario changed in 2007–2008. After 2009, fatal cases on individuals above 15 years old became more frequent, with peaks in the years of 2010, 2013 and 2015. CONCLUSIONS: The Brazil is experiencing a hyperendemic scenario, which has resulted in the co-circulation of the four DENV serotypes and with the increasing occurrence of severe and fatal cases. The disease surveillance and studies characterizing what has been reported overtime, are still important tools to better understand the factors involved in the disease outcome.
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spelling pubmed-64298212019-04-04 30 years of fatal dengue cases in Brazil: a review Nunes, Priscila Conrado Guerra Daumas, Regina Paiva Sánchez-Arcila, Juan Camilo Nogueira, Rita Maria Ribeiro Horta, Marco Aurélio Pereira dos Santos, Flávia Barreto BMC Public Health Research Article BACKGROUND: Over the last 30 years, extensive dengue epidemics have occurred in Brazil, characterized by emergences and re-emergences of different serotypes, a change in the epidemiological profile and an increase in the number of severe and fatal cases. Here, we present a review on the dengue fatal cases that occurred in Brazil in 30 years (1986–2015). METHODS: We performed an ecological study by using secondary data on dengue fatal cases obtained in the National System of Reported Diseases (Sistema de Informação de Agravos de Notificação -SINAN) and in the Mortality Information System (SIM), both maintained by the Brazilian Ministry of Health. Cases were analyzed by region, demographic variables, clinical classification and complications based on the data available. RESULTS: In 30 years (1986–2015), the Southeast region reported 43% (n = 2225) of all dengue deaths in the country. The Midwest region was responsible for 18% of the fatal cases. After 2000, deaths occurred in almost all states, with the exception of Santa Catarina and Rio Grande do Sul, South region. From 2006 to 2010, the number of deaths increased, with higher rates of mortality, especially in Goiás and Mato Grosso. From 2011 to 2015, Goiás became the state with the highest mortality rate in the country, and Rio Grande do Sul reported its first dengue deaths. In 30 years, a total of 2682 dengue deaths occurred in males and 2455 in females, and an equal distribution between the sexes was observed. From 1986 to 2006, dengue deaths occurred predominantly in individuals over 15 years old, but this scenario changed in 2007–2008. After 2009, fatal cases on individuals above 15 years old became more frequent, with peaks in the years of 2010, 2013 and 2015. CONCLUSIONS: The Brazil is experiencing a hyperendemic scenario, which has resulted in the co-circulation of the four DENV serotypes and with the increasing occurrence of severe and fatal cases. The disease surveillance and studies characterizing what has been reported overtime, are still important tools to better understand the factors involved in the disease outcome. BioMed Central 2019-03-21 /pmc/articles/PMC6429821/ /pubmed/30898104 http://dx.doi.org/10.1186/s12889-019-6641-4 Text en © The Author(s). 2019 Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.
spellingShingle Research Article
Nunes, Priscila Conrado Guerra
Daumas, Regina Paiva
Sánchez-Arcila, Juan Camilo
Nogueira, Rita Maria Ribeiro
Horta, Marco Aurélio Pereira
dos Santos, Flávia Barreto
30 years of fatal dengue cases in Brazil: a review
title 30 years of fatal dengue cases in Brazil: a review
title_full 30 years of fatal dengue cases in Brazil: a review
title_fullStr 30 years of fatal dengue cases in Brazil: a review
title_full_unstemmed 30 years of fatal dengue cases in Brazil: a review
title_short 30 years of fatal dengue cases in Brazil: a review
title_sort 30 years of fatal dengue cases in brazil: a review
topic Research Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6429821/
https://www.ncbi.nlm.nih.gov/pubmed/30898104
http://dx.doi.org/10.1186/s12889-019-6641-4
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