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Rev. Assoc. Med. Bras. (1992) ; 55(3): 308-312, 2009. graf, tab
Article in English | LILACS | ID: lil-520182

ABSTRACT

BACKGROUND: The prevalence of chronic complications in type 2 diabetes mellitus (DM) is higher in black patients. The reason for this finding is still unknown. The objective of this study was to analyze the micro and macrovascular risk factor profile of type 2 DM patients without advanced diabetic nephropathy according to ethnicity. METHODS: A cross-sectional multicentric regional study was conducted evaluating 780 patients. All patients were submitted to clinical and laboratory evaluation. Ethnicity was self-reported as white (n = 585) or black (n = 195). RESULTS: Black patients had lower triglycerides [115 (35-892) vs. 152 (34-1236) mg/dl; P <0.001] and higher HDL-cholesterol levels than whites (48.3 ± 13.5 vs. 44.8 ± 12.1 mg/dl; P = 0.002).White and black patients did not differ regarding fasting plasma glucose, A1c test, total and LDL cholesterol, blood pressure levels, insulin and HOMA-IR. There were no differences between groups regarding medication in use (statin: 18.5 vs. 19.3 percent, P = 1.000; fibrates: 1.5 vs. 0.7 percent, P = 0.680; angiotensin converting enzyme inhibitors: 39.5 vs. 43.8 percent, P = 0.375; acetylsalicylic acid: 29.9 vs. 27.7 percent, P = 0.673). CONCLUSIONS: There were no differences in the prevalence of the classic micro and macrovascular risk factors between ethnic groups. The study of non-conventional risk factors and genetic factors is essential to understand determinants of the worst outcomes presented by the African-Brazilian population.


OBJETIVO: A prevalência das complicações crônicas do Diabetes mellitus (DM) é maior nos negros. A razão para esse achado é desconhecida. O objetivo desse estudo é analisar os fatores de risco para doença micro e macrovascular em pacientes com DM tipo 2 de acordo com a etnia. MÉTODOS: Foi realizado estudo transversal avaliando 780 pacientes. Todos pacientes realizaram avaliação clinico/ laboratorial. A etnia foi autoreferida em branca (n = 585) ou negra (n = 195). RESULTADOS: Os pacientes negros apresentaram níveis menores de triglicerídeos [115 (35-892) vs. 152 (34-1236) mg/dl; P <0.001] e maiores de HDL colesterol que os brancos (48.3 ± 13.5 vs. 44.8 ± 12.1 mg/dl; P = 0.002). Não houve diferença entre os grupos quanto à glicemia de jejum, teste A1c, LDL e colesterol total, níveis pressóricos, insulina e Homa-ir. Não houve diferença no uso de medicações (estatinas: 18.5 vs. 19.3 por cento, P = 1.000; fibratos: 1.5 vs. 0.7 por cento, P = 0.680; inibidores da enzima conversora da angiotensina: 39.5 vs. 43.8 por cento, P = 0.375; acido acetilsaliscílico: 29.9 vs. 27.7 por cento, P = 0.673). CONCLUSÃO: Não houve diferença na prevalência dos fatores de risco convencionais para doença micro e macrovascular entre os grupos étnicos. O estudo de fatores não-convencionais e genéticos é essencial para a elucidação dos determinantes dos piores desfechos apresentados pela população diabética afrobrasileira.


Subject(s)
Adult , Female , Humans , Male , Black People , /ethnology , Diabetic Angiopathies/etiology , White People , Hypertension/etiology , Black People/statistics & numerical data , Brazil/epidemiology , Brazil/ethnology , Chi-Square Distribution , Cross-Sectional Studies , /blood , /complications , /urine , Diabetic Angiopathies/epidemiology , Diabetic Nephropathies/etiology , White People/statistics & numerical data , Risk Factors
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