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  • Title: Residual dyslipidemia among United States adults treated with lipid modifying therapy (data from National Health and Nutrition Examination Survey 2009-2010).
    Author: Wong ND, Chuang J, Wong K, Pham A, Neff D, Marrett E.
    Journal: Am J Cardiol; 2013 Aug 01; 112(3):373-9. PubMed ID: 23642513.
    Abstract:
    Despite available medications for dyslipidemia, many treated patients still have suboptimal lipid levels. The aim of this study was to examine the extent of residual dyslipidemia in United States adults. Of 2509 United States adults aged ≥18 years from the National Health and Nutrition Examination Survey (NHANES) 2009-2010, 1,129 (41.8% weighted) had hyperlipidemia on the basis of modified treatment guidelines for low-density lipoprotein (LDL) cholesterol according to risk category or pharmacologic treatment. Of these, 484 (42.4%) were treated with lipid-modifying therapy, and the proportions of subjects who still had LDL cholesterol, high-density lipoprotein (HDL) cholesterol, triglycerides, or non-HDL cholesterol not at recommended levels were examined. In this cohort treated for hyperlipidemia, the mean age was 60.1 ± 14.9 years, and 52% were men. Only 36.5% of subjects receiving treatment for hyperlipidemia were at goal or normal levels for all 3 lipids (LDL cholesterol, HDL cholesterol, and triglycerides). LDL cholesterol remained higher than goal for 37.5% of subjects, 28.9% had low HDL cholesterol, and 36.3% had elevated triglycerides. One, 2, and 3 lipid parameters were at abnormal levels in 32.4%, 23.0%, and 8.2% of subjects, respectively; 36.5% had no lipid disorder. In addition, 38.6% of treated subjects were above non-HDL cholesterol goal, and even in those at LDL cholesterol goal, 12.9% were not at non-HDL cholesterol goal. Those with cardiovascular disease conditions had poorer goal attainment of LDL cholesterol, HDL cholesterol, and composite all lipids than those without cardiovascular disease. In conclusion, despite widely available treatments for dyslipidemia, many patients remain at suboptimal lipid levels, indicating need for greater adherence to lifestyle and medical therapies to address these gaps in the management of dyslipidemia.
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