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Arq. bras. cardiol ; 110(6): 542-550, June 2018. tab
Article in English | LILACS | ID: biblio-950168

ABSTRACT

Abstract Background: The prevalence of cardiovascular risk factors is little known in Brazilian indigenous populations. In the last two decades, important changes have occurred in the lifestyle and epidemiological profile of the Xavante people. Objective: to assess the prevalence of cardiovascular risk factors in Xavante adults in São Marcos and Sangradouro/Volta Grande reserves, in the state of Mato Grosso, Brazil. Methods: Cross-sectional study carried out with 925 Xavante people aged ≥ 20 years between 2008 and 2012. The following indicators were assessed: triglycerides (TG), total, LDL and HDL-cholesterol, Castelli index I and II, TG/HDL-cholesterol ratio, apo B / Apo A1 ratio, Framingham risk score, C-reactive protein, body mass index (BMI), waist circumference (WC), hypertriglyceridemic waist (HW), glycemia and blood pressure. Kolmogorov-Smirnov, Student's t test and Chi-square test (χ2) were used for statistical analysis, and significance level was set at 5%. Results: High prevalence of elevated cardiovascular risk was observed in men and women according to HDL-cholesterol (66.2% and 86.2%, respectively), TG (53.2% and 51.5%), TG/HDL-cholesterol ratio (60.0% and 49.1%), C-reactive protein (44.1% and 48.1%), BMI (81.3% and 81.7%), WC (59.1% and 96.2%), HW (38.0% and 50,6%) and glycemia (46.8% and 70.2%). Individuals aged 40 to 59 years had the highest cardiovascular risk. Conclusions: The Xavante have a high cardiovascular risk according to several indicators evaluated. The present analysis of cardiovascular risk factors provides support for the development of preventive measures and early treatment, in attempt to minimize the impact of cardiovascular diseases on this population.


Resumo Fundamento: A prevalência de fatores de risco cardiovascular ainda é pouco estudada em populações indígenas brasileiras. Nas duas últimas décadas, observaram- se importantes mudanças no estilo de vida e no perfil epidemiológico dos Xavante. Objetivo: Avaliar a prevalência de fatores de risco cardiovascular na população adulta Xavante das Reservas Indígenas de São Marcos e Sangradouro/Volta Grande - MT. Métodos: Estudo transversal realizado com 925 indígenas Xavante com 20 ou mais anos de idade, no período de 2008 a 2012. Foram considerados os indicadores: níveis séricos de triglicérides (TG), colesterol (total, LDL e HDL), Índices de Castelli I (CT/HDL-c) e II (LDL-c/HDL-c), razão TG/HDL-C, relação Apo B/Apo A1, escore de Framingham, proteína C reativa (PCR), Índice de Massa Corporal (IMC), circunferência da cintura (CC), cintura hipertrigliceridêmica (CH), glicemia e pressão arterial. Foram utilizados os testes Kolmogorov-Smirnov, t de Student e Qui quadrado (χ2), sendo considerado um nível de significância de 5%. Resultados: Verificaram-se altas prevalências de risco cardiovascular elevado, em homens e mulheres, respectivamente, segundo os indicadores HDL-colesterol (66,2% e 86,2%), TG (53,2% e 51,5%), razão TG/HDL-c (60,0% e 49,1%), PCR (44,1% e 48,1%), IMC (81,3% e 81,7%), CC (59,1% e 96,2%), CH (38,0% e 50,6%) e glicemia (46,8% e 70,2%). Os indivíduos de 40 a 59 anos foram os que apresentaram maior risco cardiovascular. Conclusões: Os Xavante apresentam elevado risco cardiovascular segundo vários indicadores avaliados. Este inquérito fornece subsídios para ações de prevenção e tratamento precoce, a fim de minimizar os potenciais danos causados por doenças cardiovasculares entre os Xavante.


Subject(s)
Humans , Male , Female , Adult , Middle Aged , Young Adult , Cardiovascular Diseases/etiology , Cardiovascular Diseases/epidemiology , Indians, South American/statistics & numerical data , Triglycerides/blood , Blood Glucose/analysis , Blood Pressure , Brazil/ethnology , Cardiovascular Diseases/ethnology , Cardiovascular Diseases/blood , Body Mass Index , Cholesterol/blood , Cross-Sectional Studies , Age Distribution , Statistics, Nonparametric , Dyslipidemias/complications , Dyslipidemias/ethnology , Dyslipidemias/epidemiology , Hypertension/complications , Hypertension/ethnology , Hypertension/epidemiology , Obesity/complications , Obesity/ethnology , Obesity/epidemiology
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