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Polyarticular Septic Arthritis Outcomes Examined

Joint Bone Spine; ePub 2017 Sep 14; Lieber, et al

Patients with septic polyarthritis were more likely to have systemic infection at presentation than those with septic monoarthritis, a recent study found. Despite this difference, patients with septic monoarthritis and polyarthritis tended to have similar outcomes. While rheumatoid arthritis (RA) was observed more frequently among patients with septic polyarthritis, those with/without underlying RA had similar presenting features and outcomes. Researchers conducted a retrospective study of adults admitted to tertiary care with septic monoarthritis and polyarthritis. Baseline characteristics, microbial profiles, joint involvement, length of stay, and 60-day readmission rates were determined. They found:

  • 464 and 42 cases of septic monoarthritis and polyarthritis were identified, respectively, including 7 cases of septic polyarthritis with comorbid RA.
  • Compared to those with septic monoarthritis, patients with septic polyarthritis were more likely to have RA, sepsis, and higher peripheral and synovial white blood cell counts.
  • Operative intervention rates were similar, but mean length of stay was longer in polyarticular septic arthritis.
Citation:

Lieber SB, Fowler ML, Zhu C, Moore A, Shmerling RH, Paz Z. Clinical characteristics and outcomes in polyarticular septic arthritis. [Published online ahead of print September 14, 2017]. Joint Bone Spine. doi:10.1016/j.jbspin.2017.09.001.

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