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Rate, pattern and factors related to damage in Brazilian systemic lupus erythematosus patients

Internal Medicine Department, University Hospital Clementino Fraga Filho, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil, Instituto Nacional de Cancer, Rio de Janeiro, Brazil, msoares{at}microlink.com.br

L Reis

Internal Medicine Department, University Hospital Clementino Fraga Filho, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil

J AS Papi

Internal Medicine Department, University Hospital Clementino Fraga Filho, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil

C RL Cardoso

Internal Medicine Department, University Hospital Clementino Fraga Filho, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil

The Systemic Lupus InternationalCollaborating Clinics/American College of Rheumatology (ACR) Damage Index (SDI) is an accepted instrument to ascertain damage. It has been shown to vary among differentSLE populations.The aim of this study was to assess SDI score, pattern and factors related to damage in Brazilian SLE outpatients. The SDI was obtained in 105 patients with a median age of 41 (5-95%, 19-61.7) years and a median SLE duration of 127 (17.6-345.9) months. Patients had a median SDI of 2 (0-8) and 81.9% had some damage (SDI > 0). Damage was associatedwith a higher number of ACR criteria for SLE in multivariate analysis (OR 2.32, 95%CI 1.23-4.37, P 0.009). Antiphospholipid syndrome (APS) (OR 9.82, 95%CI 2.74-35.23, P < 0.001), methylprednisolone pulses (OR 3.91, 95%CI 1.19-12.81, P 0.024), age (OR 1.70, 95%CI 1.02-1.13, P 0.011) and prednisone use duration (OR 1.01, 95%CI 1.002-1.02, P 0.020) were related to severe damage (SDI 4). Hypertensionwas associated with renal, cardiac and atherosclerotic damage, as cyclophosphamide pulses were with premature menopause. In conclusion, damage was very frequent in Brazilian SLE patients, mainly due to skin involvement, compared to other SLE populations. The presence of APS was the major independent contributor to the development of severe damage. Arterial hypertension was identified as a common risk factor for renal, cardiac and atherosclerotic damage.

Key Words: antiphospholipid syndrome • arterial hypertension • damage index • morbidity • systemic lupus erythematosus

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