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[Septic arthritis of the hip by Haemophilus Influenzae type F in childhood: a case report]

N Ulibarrena1, C Andrés, E Bernaola

  • 1Seervicio de Pediatría, Complejo Hospitalario de Navarra, Pamplona. noeliauli@hotmail.com

Insights

Septic arthritis in children can stem from rare bacteria like Haemophilus influenzae type F. Early diagnosis via synovial fluid culture is crucial for effective treatment and to assess vaccine effectiveness.

Area of Science:

  • Pediatric Infectious Diseases
  • Orthopedic Infections
  • Microbiology

Background:

  • Septic arthritis of the hip is a serious acute bacterial infection.
  • Staphylococcus aureus is the most common pathogen across all age groups.
  • Less common bacterial agents can also cause hip septic arthritis.

Observation:

  • A case study of an 18-month-old patient with septic arthritis of the hip is presented.
  • The causative agent identified was a rare strain, Haemophilus influenzae type F.
  • The patient experienced a positive clinical outcome.

Findings:

  • This case underscores the need to consider uncommon pathogens in pediatric hip septic arthritis.
  • Arthrocentesis with synovial fluid culture is vital before initiating antibiotic therapy.
  • Typing Haemophilus influenzae isolates is essential to detect potential vaccine failures.

Implications:

  • Clinicians should broaden their differential diagnosis for pediatric septic arthritis.
  • Diagnostic procedures, including synovial fluid culture, should be prioritized.
  • Bacterial typing aids in public health surveillance and vaccine efficacy monitoring.

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