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Risk factors for cardiovascular mortality in patients with systemic lupus erythematosus, a prospective cohort study
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2012 (English)In: Arthritis Research & Therapy, ISSN 1478-6362, Vol. 14, no 2, R46- p.Article in journal (Refereed) Published
Abstract [en]


Systemic Lupus Erythematosus (SLE) is a chronic autoimmune disease. Cardiovascular disease (CVD) is common and a major cause of mortality. Studies on cardiovascular morbidity are abundant, whereas mortality studies focusing on cardiovascular outcomes are scarce. The aim of this study was to investigate causes of death and baseline predictors of overall (OM), non-vascular (N-VM), and specifically cardiovascular (CVM) mortality in SLE, and to evaluate Systematic coronary risk evaluation (SCORE).


208 SLE patients were included 1995-1999 and followed up after 12 years. Clinical evaluation, CVD risk factors, and biomarkers were recorded at inclusion. Death certificates and autopsy protocols were collected. Causes of death were divided into CVM (ischemic vascular and general atherosclerotic diseases), N-VM and death due to pulmonary hypertension. Predictors of mortality were investigated using multivariable Cox regression. SCORE and standardized mortality ratio (SMR) were calculated.


During follow-up 42 patients died at mean age of 62 years. SMR 2.4 (CI 1.7-3.0). 48% of deaths were caused by CVM. SCORE underestimated CVM but not to a significant level. Age, high cystatin C levels and established arterial disease were the strongest predictors for all- cause mortality. After adjusting for these in multivariable analyses, only smoking of traditional risk factors, high soluble vascular cell adhesion molecule-1 (sVCAM-1), high sensitivity C-reactive protein (hsCRP), anti-beta2 glycoprotein-1 (abeta2GP1) and any antiphospholipid antibody (aPL) among biomarkers, remained predictive of CVM.


With the exception of smoking, traditional risk factors do not capture the main underlying risk factors for CVM in SLE. Rather, cystatin C levels, inflammatory and endothelial markers, and anticardiolipin antibodies (aCL) differentiate patients with favorable versus severe cardiovascular prognosis. Our results suggest that these new biomarkers are useful in evaluating the future risk of cardiovascular mortality in SLE patients.

Place, publisher, year, edition, pages
2012. Vol. 14, no 2, R46- p.
National Category
Rheumatology and Autoimmunity
URN: urn:nbn:se:uu:diva-170035DOI: 10.1186/ar3759ISI: 000311025900005PubMedID: 22390680OAI: oai:DiVA.org:uu-170035DiVA: diva2:508193
Available from: 2012-03-07 Created: 2012-03-07 Last updated: 2013-01-07Bibliographically approved

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