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Epidemiologic transition in mortality rate from circulatory diseases in Brazil

Antonio de Padua Mansur1, Adriano Ibrahim A Lopes, Desidério Favarato

  • 1Instituto do Coração, HC, FM, USP, São Paulo, SP, Brasil. pmansur@cardiol.br

Arquivos Brasileiros De Cardiologia
|January 20, 2010
PubMed

Insights

In Brazil, ischemic heart diseases (IHD) now cause more deaths than cerebrovascular diseases (CVD), a shift from previous trends. This study analyzed the changing CVD/IHD ratio in adults over 30.

Area of Science:

  • Cardiovascular epidemiology
  • Public health research
  • Mortality statistics analysis

Background:

  • Circulatory diseases (CD) are the leading cause of death in Brazil, with cerebrovascular diseases (CVD) historically predominant.
  • Developed countries typically show a higher incidence of ischemic heart diseases (IHD).

Purpose of the Study:

  • To investigate the ratio of cerebrovascular diseases to ischemic heart diseases (CVD/IHD) in Brazilian males and females aged 30 and older.
  • To analyze trends in CVD/IHD ratios over time and across different age groups.

Main Methods:

  • Utilized mortality data and population estimates from Brazil's Ministry of Health (1980-2005).
  • Calculated the risk of death from IHD and CVD per 100,000 individuals.
  • Analyzed the CVD/IHD ratio across 10-year age brackets, adjusting for the 1960 world population standard.

Main Results:

  • Both IHD and CVD death risks increased exponentially with age.
  • Ischemic heart diseases (IHD) surpassed cerebrovascular diseases (CVD) as the leading cause of death in Brazil around 1996.
  • Overall CD death risk decreased by 33.25% in Brazil (45.44% in São Paulo) between 1980-2005.
  • The CVD/IHD ratio was higher in women, decreasing over time, while it remained below 1 for men across all age groups.

Conclusions:

  • Brazil has experienced a significant transition in circulatory disease mortality, with a current predominance of ischemic heart diseases (IHD).
  • The findings highlight evolving patterns in cardiovascular disease burden within the Brazilian population.
Abstract

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