I call the combination of low HDL, small LDL, and lipoprotein(a) “lethal lipids,” since the trio is an exceptionally potent predictor for heart disease. Uncorrected, the combination is a virtual guarantee of heart disease.
Ed is a perfect example of someone who came to my office recently with this pattern. His starting values:
HDL: 34 mg/dl
Small LDL: 78% of total LDL
NMR: Small LDL 1655 nmol/L; total LDL particle number 2122 nmol/L)
Lipoprotein(a): 205 nmol/L
The atherogenicity, or plaque-causing potential, of this pattern was reflected in Ed’s heart scan score of 2133.
You can readily see that, of this combination, only HDL cholesterol would be adequately identified through conventional lipid testing. Small LDL and lipoprotein(a) need to be specifically measured via lipoprotein testing.
And, contrary to the drug industry’s “statin drugs for everybody” motto, this pattern, while improved with statin therapy, is not shut off.
Specific correction of each abnormality is required. For instance, niacin addresses all three: increases HDL, reduces small LDL, and (usually) reduces lipoprotein(a). A standard low-fat diet makes this pattern worse by reducing HDL, increasing small LDL, and (usually) increasing lipoprotein(a).
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