Circulating oxidized LDL is associated with the occurrence of echolucent plaques in the carotid artery in 61-year-old men.

Sigurdardottir, Vilborg; Fagerberg, B; Wikstrand, J; Schmidt, C; Hulthe, J (2008). Circulating oxidized LDL is associated with the occurrence of echolucent plaques in the carotid artery in 61-year-old men. Scandinavian journal of clinical and laboratory investigation, 68(4), pp. 292-297. Taylor & Francis 10.1080/00365510701762723

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OBJECTIVE The aim of this study was to elucidate the relationship between the echogenicity of carotid artery plaques and the following risk factors: circulating oxLDL, hsCRP, the metabolic syndrome (MetS), and several of the traditional cardiovascular (CV) risk factors. MATERIAL AND METHODS A cross-sectional population-based study of 513 sixty-one-year-old men. The levels of circulating oxLDL were determined in plasma samples by sandwich ELISA utilizing a specific murine monoclonal antibody (mAb-4E6). High-sensitivity CRP was measured in plasma by ELISA. Plaque occurrence, size and echogenicity were evaluated from B-mode ultrasound registrations in the carotid arteries. Plaque echogenicity was assessed based on a four-graded classification scale. RESULTS A higher frequency of echolucent carotid plaques was observed with increasing levels of oxLDL and systolic blood pressure (p = 0.008 and p = 0.041, respectively). Subjects with the MetS had a significantly higher frequency of echogenic plaques than subjects without the MetS (p = 0.009). In a multiple logistic regression analysis, oxLDL turned out to be independently associated with echolucent carotid plaques. CONCLUSIONS The occurrence of echolucent carotid plaques was associated with oxLDL and systolic blood pressure, and oxLDL was associated with echolucent carotid plaques independently of systolic blood pressure.

Item Type:

Journal Article (Original Article)


04 Faculty of Medicine > Department of Cardiovascular Disorders (DHGE) > Clinic of Cardiology

UniBE Contributor:

Sigurdardottir, Vilborg


600 Technology > 610 Medicine & health




Taylor & Francis




Vilborg Sigurdardottir

Date Deposited:

07 Mar 2016 09:01

Last Modified:

08 Sep 2017 23:00

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