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Pediatric hypervirulent Klebsiella pneumoniae septic arthritis

Shun Kishibe1, Yusuke Okubo1,2, Saeko Morino3

  • 1Department of General Pediatrics, Tokyo Metropolitan Children's Medical Center, Tokyo, Japan.

Pediatrics International : Official Journal of the Japan Pediatric Society
|March 24, 2016
PubMed

Insights

Hypervirulent Klebsiella pneumoniae can cause severe infections like septic hip arthritis in children. Early antibiotics and surgery are crucial, but long-term treatment may be needed for complications.

Area of Science:

  • Infectious Diseases
  • Microbiology
  • Pediatrics

Background:

  • Hypervirulent Klebsiella pneumoniae (hvKP) infections are rising globally.
  • hvKP can cause severe community-acquired infections, even in healthy individuals.
  • hvKP is characterized by specific genetic markers like sequence type 23, serotype K1, and magA positivity.

Observation:

  • A 14-year-old boy presented with septic hip arthritis caused by hvKP (ST23, K1, magA+).
  • Initial treatment included antibiotics and surgery, but the infection progressed.
  • The condition evolved into osteomyelitis of the femoral head and myositis, necessitating prolonged treatment and further surgery.

Findings:

  • This case represents the first documented pediatric instance of hypervirulent Klebsiella pneumoniae causing septic hip arthritis.
  • The infection demonstrated aggressive progression despite initial therapeutic interventions.
  • Successful management required a combination of extended antibiotic therapy and multiple surgical procedures.

Implications:

  • Clinicians, including pediatricians in developed nations, must recognize the increasing threat of hvKP infections.
  • Prompt diagnosis and aggressive management combining antibiotics and surgery are vital for treating hvKP septic arthritis.
  • Awareness and vigilance are essential for preventing severe outcomes associated with hvKP in pediatric populations.
Keywords:
bacterial translocationhypermucoviscosityhypervirulent Klebsiella pneumoniaeseptic arthritisstring test

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