Source:Autoimmunity Reviews
Author(s): Maria G. Tektonidou, Evrydiki Kravvariti, George Konstantonis, Nicholas Tentolouris, Petros P. Sfikakis, Athanasios Protogerou
ObjectiveAlthough a high risk of clinical and subclinical atherosclerosis has been reported in systemic lupus erythematosus (SLE), it is not directly compared with that observed in other rheumatic and non-rheumatic high-cardiovascular (CVD) risk diseases, such as Rheumatoid Arthritis (RA) and Diabetes Mellitus (DM). Our objective was to evaluate the relative risk (RR) of subclinical atherosclerosis in SLE, RA and DM patients compared to healthy controls, and examine potential associations with traditional and disease-related CVD risk factors in SLE.MethodsWe examined for atherosclerotic plaques 460 individuals (92% female) without CVD history, using carotid and femoral artery ultrasound: 115 SLE patients and matched 1:1 for age and gender RA, DM, and control subjects. Multivariate models were used to determine relative risk estimates for the number of atherosclerotic plaques in patient groups versus controls, and associations of plaques with traditional CVD and disease-related factors in SLE.ResultsA nearly two-fold higher number of atherosclerotic plaques in the carotid and femoral arteries was detected in each of SLE, RA and DM groups compared to controls, after adjusting for the effect of traditional CVD risk factors (RR=1.80, 95% CI 1.05–3.08, p=0.033, RR=1.90 (1.11–3.26), p=0.019, RR=1.93 (1.14–3.28), p=0.015, respectively). In SLE patients, the number of atherosclerotic plaques was associated with age (p<0.001), smoking (p=0.016), hypertension (p=0.029), and cumulative corticosteroid dose (p=0.007).ConclusionThe relative risk of subclinical atherosclerosis in SLE was comparable to that found in RA and DM, indicating that SLE patients merit a similar diligence in CVD risk assessment and management measures.
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