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Spondylodiscitis by Kingella Kingae: An Emerging Pathogen in an Older Pediatric Population

Sara Alexandra Fernandes Machado1, Joana Manuel Ferreira Freitas, Nuno Paulo Alegrete da Silva

  • 1From the *Orthopaedic Department, Centro Hospitalar de São João, Porto, Portugal; and †Anatomy Institute and ‡Orthopaedic Department, Oporto University, Porto, Portugal.

The Pediatric Infectious Disease Journal
|June 27, 2017
PubMed

Insights

Kingella kingae typically infects young children, but this case highlights a rare spondylodiscitis in an 8-year-old. Further investigation of K. kingae in older children is warranted.

Area of Science:

  • Pediatric infectious diseases
  • Pediatric orthopedic infections
  • Microbiology of Gram-negative bacteria

Background:

  • Kingella kingae is a common cause of invasive infections in young children, typically under 4 years old.
  • Most K. kingae infections occur in children aged 6 to 48 months.
  • Systematic investigation of K. kingae in older children remains limited.

Observation:

  • A rare case of spondylodiscitis caused by Kingella kingae is presented.
  • The affected patient was an 8-year-old child.
  • This presentation is unusual given the typical age range for K. kingae infections.

Findings:

  • Kingella kingae can cause spondylodiscitis in older children, extending beyond the typical pediatric age range.
  • The case demonstrates the potential for K. kingae to cause bone and joint infections in a less commonly affected demographic.
  • Diagnostic and treatment considerations for K. kingae should include older pediatric populations.

Implications:

  • This case expands the known clinical spectrum and age distribution of Kingella kingae infections.
  • Highlights the need for considering K. kingae in the differential diagnosis of bone and joint infections in older children.
  • Suggests further research into the epidemiology and clinical presentation of K. kingae in non-infants and toddlers is necessary.

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