Cerebrospinal fluid cytokines in Salmonella urbana encephalopathy

Koichi Minami1, Toshihiko Yanagawa, Masumi Okuda

  • 1Department of Pediatrics, Wakayama Medical University School of Medicine, Wakayama 641-0012, Japan. kminami@wakayama-med.ac.jp

Insights

Salmonella urbana infection can cause severe encephalopathy in children, leading to neurological deficits. Prompt recognition and management are crucial for this rare but potentially fatal complication.

Area of Science:

  • Pediatric Neurology
  • Infectious Diseases

Background:

  • Salmonella infections, particularly non-typhoidal strains, are common in children.
  • Encephalopathy is a rare but serious neurological complication associated with Salmonella infections.

Observation:

  • A 5-year-old boy presented with convulsions and coma, indicative of acute encephalopathy.
  • Cerebrospinal fluid (CSF) analysis revealed elevated levels of proinflammatory cytokines, including interleukin-6 (IL-6) and IL-8, at the onset of illness.

Findings:

  • The child developed severe neurological deficits, including mental impairment and spastic tetraplegia, following the infection.
  • Elevated CSF proinflammatory cytokines correlated with central nervous system (CNS) disease activity.

Implications:

  • This case highlights the potential for Salmonella urbana infection to cause severe encephalopathy in pediatric patients.
  • Clinicians should consider Salmonella infection in the differential diagnosis of pediatric encephalopathy, even in the absence of typical gastrointestinal symptoms.
  • The findings suggest a link between high CSF cytokine levels and the severity of CNS involvement in Salmonella-associated encephalopathy.

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