Urbanization is Associated with Increased Trends in Cardiovascular Mortality Among Indigenous Populations: the PAI Study

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open access
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Article
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2018
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Sociedade Brasileira de Cardiologia
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Affilliation
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Abstract
Background The cardiovascular risk burden among diverse indigenous populations is not totally known and may be influenced by lifestyle changes related to the urbanization process. Objectives To investigate the cardiovascular (CV) mortality profile of indigenous populations during a rapid urbanization process largely influenced by governmental infrastructure interventions in Northeast Brazil. Methods We assessed the mortality of indigenous populations (≥ 30 y/o) from 2007 to 2011 in Northeast Brazil (Bahia and Pernambuco states). Cardiovascular mortality was considered if the cause of death was in the ICD-10 CV disease group or if registered as sudden death. The indigenous populations were then divided into two groups according to the degree of urbanization based on anthropological criteria:, Group 1 - less urbanized tribes (Funi-ô, Pankararu, Kiriri, and Pankararé); and Group 2 - more urbanized tribes (Tuxá, Truká, and Tumbalalá). Mortality rates of highly urbanized cities (Petrolina and Juazeiro) in the proximity of indigenous areas were also evaluated. The analysis explored trends in the percentage of CV mortality for each studied population. Statistical significance was established for p value < 0.05. Results There were 1,333 indigenous deaths in tribes of Bahia and Pernambuco (2007-2011): 281 in Group 1 (1.8% of the 2012 group population) and 73 in Group 2 (3.7% of the 2012 group population), CV mortality of 24% and 37%, respectively (p = 0.02). In 2007-2009, there were 133 deaths in Group 1 and 44 in Group 2, CV mortality of 23% and 34%, respectively. In 2009-2010, there were 148 deaths in Group 1 and 29 in Group 2, CV mortality of 25% and 41%, respectively. Conclusions Urbanization appears to influence increases in CV mortality of indigenous peoples living in traditional tribes. Lifestyle and environmental changes due to urbanization added to suboptimal health care may increase CV risk in this population.
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Saúde de Populações Indígenas, Região Nordeste, Pernambuco, Bahia, Pankararu, Fulni-ô, Truká, Funi-ô, Pankararé, Tumbalalá, Tuxá
Keywords
Brazil, Health of Indigenous Peoples, Indians, South American, Cardiovascular Diseases/ mortality, Urbanization/trends, Social Change
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DeCS
Brasil, Saúde de Populações Indígenas, Índios Sul-Americanos, Epidemiologia, Sistemas de Informação em Saúde, Doenças Crônicas não Transmissíveis, Transição Nutricional, Transição Epidemiológica, Mortalidade, Doenças Cardiovasculares, Mudança Social
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ARMSTRONG, Anderson da Costa; LADEIA, Ana Marice Teixeira; MARQUES, Juracy; ARMSTRONG, Dinani Matoso Fialho de Oliveira; SILVA, Antonio Marconi Leandro; MORAIS JUNIOR, Jeová Cordeiro; BARRAL, Aldina; CORREIA, Luis Claudio Lemos; BARRAL-NETTO, Manoel; LIMA, João A. C.. Urbanization is Associated with Increased Trends in Cardiovascular Mortality Among Indigenous Populations: the PAI Study. Arq Bras Cardiol., v. 110, n. 3, p. 240-245, 2018.
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0066-782X
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10.5935/abc.20180026
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