Lipoprotein (a) and Carotid Atherosclerosis in Young Patients With Stroke

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Abstract

Background and Purpose—

Elevated lipoprotein (a) concentration is associated with carotid atherosclerosis in middle-aged and older patients with ischemic stroke. This association has not been explored in young patients with stroke.

Methods—

A retrospective analysis of data from patients aged 16 to 54 years consecutively treated for acute ischemic stroke in a tertiary stroke unit during 4.5 years was performed. We graded carotid atherosclerosis using carotid duplex as: no atherosclerosis (A); plaque without stenosis (B); or stenosis ≥50% (C).

Results—

One hundred ninety-six patients were included (male/female: 119/77; mean age±SD: 44.3±8.6 years): 115 in Group A; 67 in Group B; and 14 in Group C. Multivariate analysis using polynomial logistic regression showed a graded association of lipoprotein (a) plasma concentration with carotid atherosclerosis (P<0.001).

Conclusions—

Our results showed a positive association of lipoprotein (a) plasma concentration with carotid atherosclerosis in young adults with ischemic stroke. This association was strong, graded, and independent of traditional risk factors including cholesterol.

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