Septic arthritis caused by Salmonella enterica serotype Rubislaw: A case report

Antonio Mário Tassinari1, Mariana Tresoldi das Neves Romaneli2, Ricardo Mendes Pereira1

  • 1Departamento de Pediatria, Faculdade de Ciências Médicas da Universidade Estadual de Campinas, Campinas, SP, Brasil.

Insights

A boy with fever and hip pain was diagnosed with Salmonella enterica infection of the hip joint. Prompt surgical drainage and antibiotics led to a favorable outcome, highlighting the importance of early intervention for invasive salmonellosis in children.

Area of Science:

  • Pediatric infectious diseases
  • Orthopedic surgery
  • Microbiology

Background:

  • Invasive Salmonella spp infections, though less common than non-invasive forms, are associated with higher hospitalization, morbidity, and mortality rates.
  • Children, the elderly, and immunocompromised individuals are at increased risk for severe outcomes from Salmonella infections.

Observation:

  • An 11-year-old boy presented with acute symptoms of fever and right hip pain, accompanied by limited mobility.
  • Computed tomography (CT) scan of the hip revealed significant joint effusion and swelling.

Findings:

  • Surgical intervention was necessary to drain purulent material from the right coxo-femoral joint.
  • Cultures from the drained fluid identified Salmonella enterica as the causative pathogen.
  • The patient received a four-week course of a third-generation cephalosporin, resulting in a positive clinical response.

Implications:

  • This case underscores the potential for Salmonella enterica to cause severe invasive joint infections in pediatric patients.
  • Early diagnosis, surgical management, and appropriate antibiotic therapy are crucial for favorable outcomes in invasive salmonellosis.
  • Recognizing high-risk populations is essential for timely and effective management of Salmonella infections.

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