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Modeling Encephalopathy of Prematurity Using Prenatal Hypoxia-ischemia with Intra-amniotic Lipopolysaccharide in Rats
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Systemic inflammatory response syndrome and prolonged hypoperfusion lesions in an infant with respiratory syncytial

Kenji Miyamoto1, Masahide Fujisawa, Hajime Hozumi

  • 1Department of Pediatrics, Dokkyo Medical University, 880 Kitakobayashi, Mibu-machi, Shimotsuga, Tochigi, 321-0293, Japan, kenmimi@dokkyomed.ac.jp.

Journal of Infection and Chemotherapy : Official Journal of the Japan Society of Chemotherapy
|January 29, 2013
PubMed

Insights

Respiratory syncytial virus (RSV) can cause serious neurological issues in infants. This case highlights RSV encephalopathy, marked by a cytokine storm, leading to systemic inflammation and prolonged brain hypoperfusion.

Area of Science:

  • Neurology
  • Pediatrics
  • Infectious Diseases

Background:

  • Respiratory syncytial virus (RSV) is a common pathogen in infants, occasionally associated with severe neurological complications.
  • RSV encephalopathy is a rare but serious condition requiring prompt diagnosis and management.

Observation:

  • A 17-day-old infant presented with poor sucking, hypothermia, rhinorrhea, and cough, progressing to stupor, hypotonia, and pneumonia.
  • Elevated interleukin-6 (IL-6) and IL-8 levels in cerebrospinal fluid and serum indicated a significant inflammatory response.

Findings:

  • The infant was diagnosed with RSV encephalopathy, complicated by pediatric systemic inflammatory response syndrome (SIRS).
  • Magnetic resonance imaging (MRI) revealed hippocampal abnormalities, while electroencephalogram (EEG) showed seizure activity.
  • Single-photon emission computed tomography (SPECT) demonstrated prolonged hypoperfusion in specific brain regions, gradually improving over time.

Implications:

  • RSV encephalopathy, driven by a cytokine storm, can lead to multi-system complications including SIRS and persistent brain hypoperfusion.
  • This case underscores the importance of recognizing RSV as a potential cause of severe neurological dysfunction in infants.
  • Early recognition and management of RSV-related neurological complications are crucial for favorable outcomes.

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