Jornal Vascular Brasileiro
https://jvascbras.org/article/doi/10.1590/S1677-54492011000400006
Jornal Vascular Brasileiro
Artigo Original

Levels of apolipoproteins as risk factors for coronary artery disease

Níveis de apolipoproteínas como fatores de risco para doença arterial coronariana

Mohmed Ashmaig; Khalifa Ashmeik; Atif Ahmed; Samia Sobki; Muheeb Abdulla

http://dx.doi.org/10.1590/S1677-54492011000400006 J Vasc Bras, vol.10, n4, p.293-297, 2011
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Abstract

INTRODUCTION: The Saudi population is renowned for their unhealthy diet and physical inactivity. OBJECTIVE:To investigate apolipoproteins B (apo B), A-I (apo A-I) and B/A-I as risk factors that might be associated with increased incidence of the coronary artery disease. METHODS: Two hundred and twenty subjects suspected of having the coronary artery disease underwent coronary angiography and blood draw following a 12-hour fast. Apolipoproteins B and A-I were both measured by turbidimetric methods. RESULTS: One hundred and forty subjects were positive and 80 subjects were negative for the coronary artery disease. Both apolipoproteins were found to be statistically significant as risk factors for the coronary artery disease: apolipoprotein B (105.33±29.22 versus 94.56±24.35 mg/dL, p<0.003), apolipoprotein A-I (123.98±25.6 versus 133.5±24.1 mg/dL, p<0.004) and apolipoproteins B/A-I (0.88±0.28 versus 0.72±0.2, p<0.0001). CONCLUSIONS:Measurements of apolipoproteins B, A-I and calculation of apolipoproteins B/A-I ratio either instead of or in addition to the customary measurements of lipoprotein cholesterol may significantly add to predicting and assessing the coronary risk factors in the Saudi population.

Keywords

apolipoprotein B, apolipoprotein A-I, coronary artery disease

Resumo

INTRODUÇÃO: A população da Arábia Saudita é conhecida por sua dieta não-saudável e inatividade física. OBJETIVO: Investigar as apolipoproteínas B (apo B), AI (apo AI) e B/AI como fatores de risco que podem estar associados ao aumento da incidência da doença arterial coronariana. MÉTODOS: Duzentos e vinte pacientes com suspeita de doença art RESULTADOS: Cenerial coronariana foram submetidos à angiografia coronária e extração de sangue após jejum de 12 horas. As apolipoproteínas B e AI foram medidas por métodos turbidímetros.to e quarenta pacientes foram positivos e 80 foram negativos para a doença arterial coronariana. Ambas apolipoproteínas foram estatisticamente significativas como fatores de risco para doença arterial coronariana: apolipoproteínas B (105,33±29,22 versus 94,56±24,35 mg/dL, p<0,003), AI (123,98±25,6 versus 133,5±24,1, p<0,004) e B/A-I (0,88±0,28 versus 0,72±0,2, p<0,0001). CONCLUSÕES: As medidas das apolipoproteínas B, AI e o cálculo da relação B/AI tanto por ou em adição às medidas habituais de colesterol das lipoproteínas podem aumentar significativamente a previsão e avaliação dos fatores de risco coronariano na população saudita.

Palavras-chave

apolipoproteína B, apolipoproteína A-I, doença da artéria coronariana

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