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Advanced Diffusion Imaging in The Hippocampus of Rats with Mild Traumatic Brain Injury
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Treatment-induced plasticity in cerebral palsy: a diffusion tensor imaging study.

Richa Trivedi1, Rakesh K Gupta, Vipul Shah

  • 1Department of Radiodiagnosis, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, India.

Pediatric Neurology
|October 23, 2008
PubMed
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This study shows that diffusion tensor imaging (DTI) can reveal white matter changes after therapy for spastic quadriparesis. Improved fractional anisotropy in corticospinal tracts correlates with better motor function in children.

Area of Science:

  • Neuroscience
  • Radiology
  • Pediatric Rehabilitation

Background:

  • Spastic quadriparesis impacts motor function in children.
  • Diffusion tensor imaging (DTI) assesses white matter integrity.
  • Understanding white matter plasticity is crucial for effective therapy.

Purpose of the Study:

  • To investigate white matter changes using DTI in children with spastic quadriparesis after botulinum toxin injection and physiotherapy.
  • To correlate DTI findings with improvements in gross motor function.

Main Methods:

  • DTI and clinical assessments were performed on 8 children with spastic quadriparesis before and 6 months after therapy.
  • 10 age/sex-matched controls underwent serial DTI.
  • Regions of interest were placed on corticospinal tracts and other white matter tracts.

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Main Results:

  • A significant increase in fractional anisotropy was observed in the corticospinal tracts (posterior limb of internal capsule) and periventricular white matter.
  • All patients showed improvement in Gross Motor Function Classification System grades.
  • Increased fractional anisotropy correlated with improved clinical motor scores.

Conclusions:

  • Combined botulinum toxin injection and physiotherapy promote plasticity in the central motor pathways.
  • DTI is a valuable tool for monitoring white matter reorganization and treatment response in pediatric spasticity.