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Neural tract injuries by brain herniations after head trauma
Ji Heon Hong1, Seong Ho Kim, Oh Lyong Kim
1Department of Physical Therapy, Yeungnam College of Science & Technology, Daegu, Republic of Korea.
The Journal of Head Trauma Rehabilitation
|March 10, 2011
Summary
Diffusion tensor tractography (DTT) effectively detected neural tract injuries in patients with brain herniation. This advanced imaging technique revealed significant damage to critical pathways following subdural hematoma.
Area of Science:
- Neuroimaging
- Neurology
- Medical Technology
Background:
- Brain herniation, a critical condition often resulting from trauma like subdural hematoma, poses diagnostic challenges.
- The utility of diffusion tensor tractography (DTT) in evaluating neural tract integrity in brain herniation remains underexplored.
Observation:
- Two patients with subfalcine and transtentorial herniations secondary to motor vehicle accident-induced subdural hematoma were studied.
- Diffusion tensor tractography was performed five weeks post-onset to assess neural tract damage.
Findings:
- DTT revealed complete injuries in cingulums, fornix, and corticospinal tracts in both patients, with varying degrees of somatosensory tract damage.
- Fractional anisotropy values and voxel numbers for affected neural tracts were significantly reduced compared to healthy controls, indicating tract compromise.
Implications:
- Diffusion tensor tractography is a valuable tool for detecting and characterizing neural tract injuries in patients with brain herniation.
- These findings highlight DTT's potential in assessing the extent of neurological damage and guiding rehabilitation strategies.
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