Abstract
Septic arthritis caused by Pseudomonas aeruginosa is uncommon in the immunocompetent population, despite its occurrence in younger patients with open injuries and in intravenous drug abusers. Here we report a case of septic arthritis caused by P. aeruginosa. This case is unique for several reasons. First, it is a case of septic arthritis in a pregnant woman with no traditional risk factors reported in the literature including history of prior traumatic events, hospitalisation, or chronic underlying disease. She was suspected of having transient osteoporosis associated with pregnancy to involve both hip joints. Second, this is the first reported case of a community acquired chronic septic arthritis due to P. aeruginosa involving large joints of both upper and lower extremities. The patient was treated successfully with a combination of ceftazidime and amikacin for 4 weeks followed by oral ciprofloxacin 750 mg twice daily for 8 weeks.
Highlights
Bacterial septic arthritis is frequently a dangerous and destructive form of acute monoarticular disease and a serious health problem associated with considerable morbidity [1]
We describe a previously healthy patient who suffered polyarticular arthritis due to P. aeruginosa that started during her pregnancy
P. aeruginosa is a rare cause of septic arthritis
Summary
Bacterial septic arthritis is frequently a dangerous and destructive form of acute monoarticular disease and a serious health problem associated with considerable morbidity [1]. While most cases are limited to the large joints of the lower extremities, involvement of the upper extremity joints rarely occurs [2]. It is caused by a single organism in 95% of cases, and Staphylococcus aureus is the most frequent agent responsible for bacterial infections of bone. Recent reports emphasize the emerging role of Gram-negative bacilli, including Pseudomonas aeruginosa, which is the most frequently isolated Gram-negative organism in chronic osteomyelitis. We describe a previously healthy patient who suffered polyarticular arthritis due to P. aeruginosa that started during her pregnancy
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