Abstract
Coronary heart disease (CHD) is the leading cause of death worldwide including Brazil. Improved precision in detecting early coronary disease may aid in more targeted preventive therapy. The National Cholesterol Education Program (NCEP) provides guidelines for determining the aggressiveness of primary prevention strategies including lipid lowering based on Framingham risk equation. Identification of subclinical atherosclerosis and coronary plaque burden is a step towards identifying high-risk individuals. This investigation was designed to determine how the updated NCEP guidelines classify asymptomatic individuals with presence of any as well as advanced CACS (coronary artery calcium score), a powerful intermediary for CHD events, in asymptomatic Brazilian men. Five hundred forty-six asymptomatic Brazilian men (mean age: 46+/-7 years) presented to a single electron beam tomography (EBT) facility in Sao Paulo. The study population was categorized into low risk (0-1 risk factors, n=166, 30%), intermediate risk (> or = 2 risk factors but < 10% risk of CHD over 10 years, n=150, 27%), moderately high risk (2 risk factors and 10-20% risk of hard CHD events in 10 years, n=147, 28%) and high-risk (> or = 2 risk factors and > 20% risk o...Continue Reading
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