Cerebrospinal fluid eosinophilia in children with ventricular shunts

Daniel H Fulkerson1, Joel C Boaz

  • 1Department of Neurosurgery, Division of Pediatric Neurosurgery, James Whitcomb Riley Hospital for Children, Indiana University School of Medicine, Indianapolis, Indiana 46202, USA. dfulkers@iupui.edu

Insights

Cerebrospinal fluid (CSF) eosinophilia is common in children with shunts and linked to shunt failure. This finding suggests increased risk of malfunction and highlights the need for specific diagnostic approaches in shunt infections.

Area of Science:

  • Pediatric Neurosurgery
  • Infectious Diseases
  • Clinical Pathology

Background:

  • Eosinophils in cerebrospinal fluid (CSF) have been observed in pediatric patients with shunts.
  • The clinical significance and associated factors of CSF eosinophilia in this population require further elucidation.

Observation:

  • CSF eosinophilia was detected in 31% of 300 pediatric shunt patients.
  • Eosinophilia correlated with CSF extravasation, shunt infection, blood in CSF, younger age at shunt insertion, and posthemorrhagic hydrocephalus.

Findings:

  • Patients with CSF eosinophilia faced a higher risk of subsequent shunt failure.
  • CSF eosinophils were present in 90.8% of 130 shunt infections.
  • Propionibacterium acnes infections showed a higher percentage of eosinophils compared to other pathogens.

Implications:

  • CSF eosinophilia is a significant indicator in children with shunts, associated with increased shunt malfunction risk.
  • The presence of eosinophils warrants thorough investigation for infection, particularly P. acnes.
  • Extended anaerobic cultures are recommended for patients with eosinophilia to identify specific pathogens.
Abstract

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