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  • Title: Clinical and laboratory characteristics and long-term outcome of pediatric systemic lupus erythematosus: a longitudinal study.
    Author: Hiraki LT, Benseler SM, Tyrrell PN, Hebert D, Harvey E, Silverman ED.
    Journal: J Pediatr; 2008 Apr; 152(4):550-6. PubMed ID: 18346514.
    Abstract:
    OBJECTIVES: To determine the frequency and characteristics of clinical signs, symptoms, laboratory findings, and medication use in children with pediatric systemic lupus erythematosus (pSLE) at presentation and during the course of the disease, and to examine correlations among disease manifestations, disease activity, and damage over time. STUDY DESIGN: The study involved an analysis of medical records and the SLE database of an inception cohort of 256 patients with pSLE (female:male ratio, 4.7:1). RESULTS: The most common clinical manifestations were arthritis (67%), malar rash (66%), nephritis (55%), and central nervous system (CNS) disease (27%). At diagnosis, patients with both renal and CNS disease had the highest SLE Disease Activity Index (SLEDAI) scores (P < .0001), but these scores were similar to those of the total group at 1 year (P = .11). Patients who developed renal and CNS disease more than 1 year after diagnosis had higher SLEDAI scores at disease onset. Some 34% of patients had Systemic Lupus International Collaborative Clinics Damage Index (SLICC-DI) scores >1 at a mean follow-up of 3.5 years. A greater proportion of patients with renal and CNS disease had SLICC-DI scores of >1, and these patients had higher mean scores compared with patients without major organ involvement (70% vs 11% [P < .0001] and 1.4 vs 0.1 [P < .0001], respectively). CONCLUSIONS: Most of the patients in our cohort exhibited major organ involvement. These patients had the highest SLEDAI scores at diagnosis, which normalized at 1 year but preceded development of renal and CNS disease. The average SLICC-DI score was lower than that previously reported in patients with pSLE.
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