The relation between lipoprotein(a) [Lp(a)] as an independent risk factor for coronary atherosclerosis and the severity and extension of angiographically detectable coronary atherosclerotic lesions has not been systematically evaluated. In 118 male patients (54.3±7.4 years) with suspected coronary artery disease and without a history of myocardial infarction undergoing coronary angiography, the relation between plasma Lp(a) levels and other lipoproteins and the severity and extension of coronary lesions was studied. The coronary angiograms were evaluated in a blinded manner according to three scores: vessel score (0 to 3 points for 0 to 3 vessels with stenoses a 70%), stenosis score (0 to 32 points; number and severity of coronary stenoses or lesions), and extent score (0 to 100 points; length-extension of all coronary lesions in relation to the total coronary vessel length). The score values obtained
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