Carotid Intima-Media Thickness, Plaques, and Framingham Risk Score as Independent Determinants of Stroke Risk
- 1 August 2005
- journal article
- research article
- Published by Wolters Kluwer Health in Stroke
- Vol. 36 (8), 1741-1745
- https://doi.org/10.1161/01.str.0000174490.23495.57
Abstract
Background and Purpose— The Framingham stroke risk score (FSRS) and Framingham cardiovascular risk score (FCRS) estimate the individual absolute cardiovascular and stroke risks. Common carotid artery intima-media thickness (CCA-IMT) and carotid plaques (CPs) are markers of subclinical atherosclerosis and help in the early identification of presymptomatic individuals. The purpose of this study was to correlate Framingham risk score (FRS) with CCA-IMT and CPs and evaluate their respective contribution to stroke risk. Methods— In 510 consecutive patients with brain infarction and 510 matched controls, we calculated the FSRS and FCRS for each individual and performed carotid ultrasonography. Mean CCA-IMT was measured off-line at a central core laboratory, and presence of CPs was assessed. Results— FRS progressively increased according to tertiles of CCA-IMT ( P for trend P for interaction P =0.0006), 2.16 (1.57 to 2.98; P P Conclusions— CCA-IMT, CPs, and FRSs correlated well. The CCA-IMT value may help discriminate between subjects at low or high 10-year risk.Keywords
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