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  • Title: Prevalence of low high-density lipoprotein cholesterol in patients with documented coronary heart disease or risk equivalent and controlled low-density lipoprotein cholesterol.
    Author: Alsheikh-Ali AA, Lin JL, Abourjaily P, Ahearn D, Kuvin JT, Karas RH.
    Journal: Am J Cardiol; 2007 Nov 15; 100(10):1499-501. PubMed ID: 17996508.
    Abstract:
    Current guidelines identify low-density lipoprotein (LDL) cholesterol as the primary target for cardiovascular prevention but also recognize low high-density lipoprotein (HDL) cholesterol as an important secondary target. This study was conducted to determine the prevalence of low HDL cholesterol in a contemporary ambulatory high-risk population across various LDL cholesterol levels, including patients taking statins. Screening of 44,052 electronic medical records from a primary care practice identified 1,512 high-risk patients with documented coronary heart disease (CHD) or CHD risk equivalents. Low HDL cholesterol (< or =40 mg/dl in men, < or =50 mg/dl in women) was present in 66% of the 1,512 patients. Low HDL cholesterol was prevalent across all LDL cholesterol levels but most prevalent in patients with LDL cholesterol < or =70 mg/dl (79% vs 66% in those with LDL cholesterol 71 to 100 mg/dl and 64% in patients with LDL cholesterol >100 mg/dl, p <0.01). Low HDL cholesterol was equally and highly prevalent in patients taking statins (67%) and those not taking statins (64%) (p = NS). HDL cholesterol and LDL cholesterol levels correlated poorly (R(2) = 0.01), and this was unaffected by gender or statin treatment. In conclusion, in high-risk patients with CHD or CHD risk equivalents, low HDL cholesterol levels remain prevalent despite statin treatment and the achievement of aggressive LDL cholesterol goals.
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