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Osteomyelitis due to Kingella kingae infection

F Noftal1, A Mersal, Y Yaschuk

  • 1Department of Orthopedics, University Hospital, Saskatoon.

Insights

Kingella kingae can cause difficult-to-diagnose bone infections in children. Early treatment with ampicillin and Staphylococcus aureus drugs is recommended for effective resolution.

Area of Science:

  • Pediatric infectious diseases
  • Bacterial osteomyelitis
  • Microbiology

Background:

  • Osteomyelitis is a serious bone infection, particularly in children.
  • Kingella kingae is an emerging pathogen causing bone and joint infections.
  • Diagnostic challenges exist for fastidious bacterial organisms.

Observation:

  • A case of osteomyelitis caused by Kingella kingae is presented.
  • The infection exhibited an insidious onset and slow progression.
  • Gram staining often yields negative results for this organism.

Findings:

  • Kingella kingae presents diagnostic difficulties due to its fastidious nature and common negative Gram stain results.
  • Effective initial therapy involves aminopenicillins (e.g., ampicillin) alongside treatments for Staphylococcus aureus.
  • This therapeutic approach aids in resolving pediatric bone and joint infections.

Implications:

  • Highlights the importance of considering Kingella kingae in pediatric bone infections.
  • Emphasizes the need for advanced diagnostic methods when initial tests are negative.
  • Guides appropriate antimicrobial selection for successful treatment outcomes.

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