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Calmarza P, Trejo JM, Lapresta C, López P

LDL oxidation and its association with carotid artery intima-media thickness and other cardiovascular risk factors in a sample of Spanish general population.

Angiology. 2014 Apr;65(4):357-62, PMID: 23661771

We studied the association between oxidized low-density lipoproteins (OxLDLs) and early atherosclerosis, assessed by carotid artery intima-media thickness (cIMT), as well as with other known atherosclerosis risk factors in a sample of the general middle- and old-age population of Burgos (Spain). Circulating OxLDL showed a significant and independent association with the average cIMT of both carotid arteries but not with the absence or presence of ≥1 carotid atheroma plaques. Plasma OxLDL concentrations were associated with age, smoking, low-density lipoprotein-cholesterol, and triglycerides, independently of other variables. Our findings in an asymptomatic sample representative of the Spanish middle- and old-age population underscore the role of OxLDL in early atherosclerosis represented by the cIMT especially in older asymptomatic individuals, but this cannot be extended to more advanced atherosclerosis, represented by carotid plaques.


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