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  • Title: Aortic, carotid intima-media thickness and flow- mediated dilation as markers of early atherosclerosis in a cohort of pediatric patients with rheumatic diseases.
    Author: Del Giudice E, Dilillo A, Tromba L, La Torre G, Blasi S, Conti F, Viola F, Cucchiara S, Duse M.
    Journal: Clin Rheumatol; 2018 Jun; 37(6):1675-1682. PubMed ID: 29022136.
    Abstract:
    The aims of this study were to identify the presence of endothelial dysfunction as a marker of early atherosclerosis by measuring aortic and carotid intimal-medial thickness (aIMT and cIMT) and flow-mediated dilation (FMD) and their correlation with traditional and no traditional risk factors for atherosclerosis in children with rheumatic diseases. Thirty-nine patients (mean age 15.3 ± 5.7 years), 23 juvenile idiopathic arthritis, 9 juvenile spondyloarthropathies, 7 connective tissue diseases (mean disease duration and onset respectively 5 ± 3.6 and 10 ± 5 years), and 52 healthy children matched for sex and age were enrolled. Demographic data (age, sex, familiarity for cardiovascular disease), traditional risk factors for atherosclerosis (BMI, active and passive smoking, dyslipidemia), activity disease indexes (reactive count protein, erythrocyte sedimentation rate) autoantibodies, and complement tests were collected. aIMT, cIMT, and FMD were assessed following a standardized protocol by high-resolution ultrasonography. Patients resulted significantly more exposed to passive smoking and had a lower BMI and higher homocysteine level than controls. cIMT and aIMT were significantly higher in patients than controls (p < 0.001) and correlated with age at diagnosis (p < 0.001 r 0.516 and 0.706, respectively) but not with mean disease duration. FMD % was significantly reduced in patients compared to controls (p < 0.001). Subclinical atherosclerosis occurs in pediatric rheumatic diseases, mainly in early onset forms, and aIMT is an earlier marker of preclinical atherosclerosis. Premature endothelial dysfunction could be included in the follow-up of children with rheumatic disorders to plan prevention strategies of cardiovascular disease already in pediatrics.
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