Utilize este identificador para referenciar este registo: http://hdl.handle.net/10400.17/227
Título: Expressão de Aterosclerose Sub-Clínica para Diferentes Factores de Risco Cardiovasculares em Populações Jovens
Outros títulos: Expression of Subclinical Atherosclerosis for Different Cardiovascular Risk Factors in Young Populations
Autor: Timóteo, AT
Toste, A
Araújo, A
Cruz Ferreira, R
Palavras-chave: Adulto
Doenças Cardiovasculares
Artéria Carótida
Estudos Prospectivos
Factores de Risco
Espessura Íntima-Média da Carótida
Data: 2010
Editora: Sociedade Portuguesa de Cardiologia
Citação: Rev Port Cardiol. 2010 Jul-Aug;29(7-8):1181-90.
Resumo: INTRODUCTION: Carotid intima-media thickness (cIMT) is considered an early marker for atherosclerosis, but there are few studies on the expression of this marker in younger populations. OBJECTIVES: To evaluate cIMT in younge patients (aged 30-50 years) and its expression according to cardiovascular risk factors. METHODS: We analyzed individuals admitted for an invasive cardiac procedure. Normal cIMT was defined as < 0.90 mm, thickened as 0.90-1.50 mm and atherosclerotic plaque as > 1.50 mm. Lipid profile, anthropometric parameters, fasting blood glucose and estimated GFR were also determined. RESULTS: A total of 106 patients were included (59% male), with a mean age of 43 +/- 5 years, 36% with hypertension, 22% smokers, 32% with known hyperlipidemia, 16% with diabetes, 39% under statin therapy and 40% with metabolic syndrome (AHA/NHLBI definition). Mean cIMT was 0.69 +/- 0.26 mm, and was normal in 74% of the patients, thickened in 20% and with atherosclerotic plaques in 6%. cIMT correlated directly with age (r = 0.26, p = 0.007), log fasting glucose (r = 0.21, p = 0.04), and log triglycerides (r = 0.24, p = 0.017), and tended to correlate with the number of components of metabolic syndrome (r = 0.17, p = 0.08). However, on multivariate analysis, only age remained as an independent predictor (r = 0.29, p = 0.005). Diabetic patients had greater cIMT (0.81 +/- 0.22 vs. 0.67 +/- 0.26 mm, p = 0.039) and there was a trend for greater cIMT in those with metabolic syndrome (0.75 +/- 0.29 vs. 0.66 +/- 0.23 mm, p = 0.09). There were no differences for the other risk factors, A higher number of risk factors in a single patient showed a trend for increased cIMT (p = 0.083) CONCLUSIONS: Age is the only independent determinant of cIMT in a young population. Diabetic patients have greater cIMT and a trend was seen in those with metabolic syndrome, possibly influenced by its relation with diabetes, one of the components of the metabolic syndrome.
Peer review: yes
URI: http://hdl.handle.net/10400.17/227
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