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  • Title: What is the most effective strategy for managing diabetic dyslipidaemia?
    Author: Reasner CA.
    Journal: Atheroscler Suppl; 2005 Sep; 6(3):21-7. PubMed ID: 16054442.
    Abstract:
    The dyslipidaemic profile of diabetes greatly contributes to the increased cardiovascular risk associated with the disorder, and evidence from many intervention trials using statins, fibrates, nicotinic acid or a nicotinic acid-statin combination, indicates the substantial cardiovascular risk reduction to be gained from lipid modification. Several large statin trials have demonstrated the efficacy of cholesterol-lowering in individuals with coronary heart disease and raised low-density lipoprotein-cholesterol (LDL-C) (>or=130 mg/dL; >or=3.4 mmol/L), but for the 40% of patients whose LDL-C is within recommended limits, many of whom have low high-density lipoprotein-cholesterol (HDL-C), an alternative strategy is necessary if excess risk is to be minimized. The veterans affairs high-density lipoprotein cholesterol intervention trial (VA-HIT) proved the efficacy of the fibric acid derivative, gemfibrozil, to elevate HDL-C and reduce triglycerides, with a resulting 22% relative risk reduction for cardiovascular death or non-fatal myocardial infarction, and even greater reductions in individuals with insulin resistance and diabetes. Increased HDL-C was independently predictive of reduction in coronary heart disease. In the Coronary Drug Project, individuals with diabetes or insulin resistance derived as much as 70% cardiovascular risk reduction from the HDL-C elevations achieved with nicotinic acid therapy. The effects of lowering LDL-C and raising HDL-C are additive and predictive of total cardiovascular event reduction, and by using statin-nicotinic acid combination therapy, cardiovascular risk reductions as great as 90% are possible. Such combination strategies offer patients the greatest opportunity for improved cardiovascular health and are likely to become the treatment strategy of the future.
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