Association between traditional cholesterol parameters, lipoprotein particle concentration, novel biomarkers and carotid plaques in retired National Football League players.

Virani SS, Pompeii L, Lincoln AE, Dunn RE, Tucker AM, Nambi V, Nasir K, Vogel RA, Boone JL, Roberts AJ, Ballantyne CM. Association between traditional cholesterol parameters, lipoprotein particle concentration, novel biomarkers and carotid plaques in retired National Football League players. Atherosclerosis. 2012 Jun 1; 222(2):551-6.

Related HSR&D Project(s)

• CDA 09-028 – Attaining Optimal Non-HDL Cholesterol Levels to Improve Cardiac Outcomes

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Abstract:

OBJECTIVES: We assessed whether low-density lipoprotein particle concentration (LDL-P) and high-sensitivity C-reactive protein [hs-CRP] can identify subclinical atherosclerosis better than traditional cholesterol parameters in retired National Football League (NFL) players. BACKGROUND: It is not known whether LDL-P and the biomarker hs-CRP can identify subclinical atherosclerosis better than low-density lipoprotein cholesterol (LDL-C) or non-high-density-lipoprotein cholesterol (non-HDL-C) in retired NFL players, given high prevalence of metabolic syndrome in these players. METHODS: Carotid artery plaque screening was performed with traditional lipids, LDL-P, and hs-CRP in 996 retired players. Logistic regression analyses comparing highest with the lowest quartile were performed. RESULTS: Carotid artery plaques were seen in 41%. LDL-C (odds ratio [OR] 1.66, 95% confidence interval [CI] 1.06-2.59), non-HDL-C (OR 1.67, 95% CI 1.04-2.67), and LDL-P (OR 2.21, 95% CI 1.35-3.62) were associated with plaques in adjusted models. Among 187 retired players with metabolic syndrome, LDL-C (OR 1.40, 95% CI 0.53-3.72) was not associated with carotid plaques, whereas LDL-P (OR 3.71, 95% CI 1.16-11.84) and non-HDL-C (OR 2.63, 95% CI 0.91-7.63, p = 0.07; borderline significant) were associated with carotid plaques. hs-CRP (OR 1.13, 95% CI 0.71-1.79) was not associated with carotid plaques. CONCLUSION: Carotid artery plaques were common in retired NFL players and were strongly associated with LDL-P, especially among those with metabolic syndrome. hs-CRP was not associated with carotid plaques in this cohort.