Soluble CD40L and cardiovascular risk in asymptomatic low-grade carotid stenosis
Salvatore Novo1, Stefania Basili, Rosalba Tantillo
1Department of Clinical Medicine and Emerging Pathologies, University of Palermo, Italy.
Background And Purpose:
We investigated whether soluble CD40L (sCD40L) may predict the risk of cardiovascular (CV) events in patients with asymptomatic carotid plaques.
Methods:
Forty-two patients with asymptomatic low-grade carotid stenosis (ALCS) and 21 controls without any carotid stenosis were enrolled. All subjects had at least a major cardiovascular risk factor (CRF). Plasma levels of C-reactive protein (CRP), IL-6, and sCD40L were measured. Subjects were reviewed every 12 months (median follow-up, 8 years).
Results:
ALCS patients had higher (P<0.0001) CRP, IL-6, and sCD40L than controls. Fourteen patients experienced a CV event. Cox regression analysis showed that only high sCD40L levels (P=0.003) independently predicted cardiovascular risk.
Conclusions:
High levels of sCD40L may predict the risk of CV events in ALCS.
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