PMID: 15229953Jul 2, 2004Paper

Osteomyelitis in patients with systemic lupus erythematosus

The Journal of Rheumatology
Kun-Chan WuJing-Long Huang

Abstract

To investigate the clinical profile of and the risk factors for osteomyelitis in patients with systemic lupus erythematosus (SLE). We reviewed 11 consecutive cases of patients with SLE who had also had osteomyelitis between 1981 and 2001 at a medical center in Taiwan, with special attention to predisposing factors, clinical features, laboratory values, and outcomes. The mean age at diagnosis of osteomyelitis was 34.5 +/- 22.0 years and the ratio of females to males was 9:2. The typical initial manifestations were nonspecific focal pain (82%) and fever (64%). The most commonly affected sites were the long bones (6 cases, 54%), followed by the vertebrae (4 cases, 36%). Salmonella (5 cases, 45%) and Staphylococcus aureus (4 cases, 36%) were the major causative organisms. Interestingly, once long bones had become involved, 5 of 6 (83%) isolates proved to be Salmonella, and for vertebral osteomyelitis, 3 of 4 (75%) isolates proved to be S. aureus. Predisposing factors include an active status of SLE (SLEDAI score >/= 4, 100%), coexistent underlying systemic disease (91%), chronic renal disease (82%), and intensified immunosuppressive agent usage (82%). Laboratory values either reflected an acute phase reaction that would be expected...Continue Reading

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