Diffusion tensor imaging properties and neurobehavioral outcomes in children with hydrocephalus

W Yuan1, R C McKinstry, J S Shimony

  • 1Department of Radiology, Cincinnati Children's Hospital Medical center, Cincinnati, Ohio, USA.

Insights

Diffusion tensor imaging (DTI) reveals white matter structure changes in children with hydrocephalus. These alterations correlate with early motor skill deficits, offering insights into the condition's impact.

Area of Science:

  • Pediatric neurology
  • Neuroimaging
  • Developmental neuroscience

Background:

  • White matter structural alterations in pediatric hydrocephalus are not well understood.
  • Neuropsychological deficits associated with these changes require further investigation.

Purpose of the Study:

  • To use DTI to detect in vivo white matter alterations in children with acute hydrocephalus.
  • To quantify early neuropsychological deficits in this population.
  • To explore correlations between neuropsychological deficits and white matter abnormalities.

Main Methods:

  • 44 children (24 hydrocephalus, 20 controls) underwent DTI scans.
  • DTI indices (FA, MD, AD, RD) were analyzed in specific white matter tracts (gCC, sCC, PLIC, ALIC).
  • The Aberrant Behavior Checklist (ABAS-II) assessed developmental skills; correlations with DTI were examined.

Main Results:

  • Children with hydrocephalus showed reduced FA and increased MD in the corpus callosum (gCC, sCC), linked to increased RD.
  • Increased AD was observed in the posterior and anterior internal capsule (PLIC, ALIC).
  • Lower general adaptive, conceptual, and motor skills were reported in children with hydrocephalus, with correlations between PLIC DTI indices and motor skills.

Conclusions:

  • DTI effectively identifies white matter structural changes in pediatric hydrocephalus.
  • Preliminary evidence suggests a link between these white matter abnormalities and clinical motor deficits.
Abstract

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