Abstract
Serum lipoprotein(a) (Lp(a)) levels were measured in 89 men with peripheral vascular disease (PVD) and 129 (100 male and 29 woman) healthy controls. Apolipoprotein(a) genetic polymorphism was determined by immunoblotting in all subjects. Patients with PVD had significantly higher serum Lp(a) levels than controls. Apolipoprotein(a) phenotype frequencies in patients with PVD did not differ from those of the control group. Both patients and controls with phenotype S2 had higher serum Lp(a) levels than those with phenotype S4. It should be emphasized that serum Lp(a) levels were significantly higher in PVD patients than controls for those with phenotype S2, S3/S4 and S4. Raised serum Lp(a) levels together with other lipoprotein abnormalities in patients with PVD imply a high cardiovascular risk. Genetic polymorphism clearly influences serum Lp(a) levels both in patients and controls. In patients with PVD, environmental and/or other genetic factors must play a role in raising Lp(a) levels.
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