Abstract
BackgroundThe gram-negative organism, Burkholderia pseudomallei, is responsible for the disease melioidosis. Septic arthritis and osteomyelitis due to B. pseudomallei are rare but recognised presentations of the disease. MethodsA prospective database of all cases of melioidosis in the Northern Territory of Australia has been kept since October 1989. Entries to April 2009 were reviewed and cases involving bone and/or joint were investigated. We also present in detail the case reports of 3 presentations of bone and joint melioidosis. ResultsThere were 536 presentations of melioidosis during the 20-year study period. Amongst these, there were 13 patients with primary septic arthritis and 7 cases of primary osteomyelitis. Septic arthritis and osteomyelitis were secondary to primary melioidosis elsewhere in 14 and 7 patients respectively. Melioidosis patients with bone/joint involvement were more likely to be Indigenous (p = 0.006) and female (p = 0.023) compared to patients with other presentations of disease. ConclusionsTimely microbiological diagnosis and prompt treatment of melioidosis involving bone and/or joint with appropriate intravenous antibiotics is important, as is adequate surgical drainage and debridement where indicated. A subsequent protracted course of antibiotic eradication therapy is important to avoid relapse of disease.
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