Predictors of new atherosclerotic carotid plaque development in patients with rheumatoid arthritis: A longitudinal study

Evangelia Zampeli, Athanase Protogerou, Kimon Stamatelopoulos, Kalliopi Fragiadaki, Christina G. Katsiari, Katerina Kyrkou, Christos M. Papamichael, Myron Mavrikakis, Peter Nightingale, George D. Kitas, Petros P. Sfikakis

    Research output: Contribution to journalArticlepeer-review

    Abstract

    Introduction: Rheumatoid arthritis (RA) is associated with increased cardiovascular morbidity and mortality attributed to both classical risk factors and chronic inflammation. We assessed longitudinally the factors associated with new carotid plaques in nondiabetic RA patients and apparently healthy individuals.Methods: In our present prospective observational study, carotid plaques were identified by ultrasonography at baseline and follow-up end, separated by an average of 3.6 ± 0.2 years, in 64 patients (mean age 59.2 ± 12.0 and disease duration at baseline 7.8 ± 6.2 years, 83% women, clinical and laboratory evaluation every 3 to 6 months). In a substudy, 35 of the patients were matched 1:1 for traditional cardiovascular risk factors with 'healthy' controls and were studied in parallel.Results: New atherosclerotic plaques formed in 30% of patients (first plaque in 9%) who were significantly older than the remaining patients. Tobacco use, blood pressure, body mass index, average cumulative low-density lipoprotein, high-sensitivity C-reactive protein, erythrocyte sedimentation rate level, RA stage, functional class, disease duration and treatment modalities during follow-up did not differ significantly between subgroups after application of the Bonferroni correction. RA was in clinical remission, on average, for approximately 70% of the follow-up time and was not different between subgroups. Multivariate analysis including all the above parameters revealed that age (P = 0.006), smoking (P = 0.009) and duration of low-dose corticosteroid use (P = 0.016) associated independently with new plaque formation. RA patients displayed similar numbers of newly formed carotid plaques to the tightly matched for traditional cardiovascular risk factors 'healthy' controls, although more patients than controls had carotid plaques at baseline.Conclusions: Formation of new atherosclerotic plaques in this small cohort of patients with well-controlled RA depended mainly on traditional cardiovascular risk factors and corticosteroid use, whereas an adverse effect of residual systemic inflammation was not readily detectable. © 2012 Zampeli et al.; licensee BioMed Central Ltd.
    Original languageEnglish
    Article numberR44
    JournalArthritis Research and Therapy
    Volume14
    Issue number2
    DOIs
    Publication statusPublished - 5 Mar 2012

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