J Korean Neurosurg Soc.  2011 Sep;50(3):209-215. 10.3340/jkns.2011.50.3.209.

Outcome Evaluation with Signal Activation of Functional MRI in Spinal Cord Injury

Affiliations
  • 1Department of Anesthesiology, Inha University Hospital, Incheon, Korea.
  • 2Seoul Regional Military Manpower Administration, Seoul, Korea.
  • 3Department of Neurosurgery, Inha University Hospital, Incheon, Korea. nsyoon@gmail.com
  • 4Inha Neural Repair Center, Inha University Hospital, Incheon, Korea.
  • 5Department of Neurosurgery, Yonsei Severance Hospital University, Seoul, Korea.
  • 6Department of Physiology, Inha University College of Medicine, Incheon, Korea.
  • 7Inha Research Institute for Medical Sciences, Inha University Hospital, Incheon, Korea.

Abstract


OBJECTIVE
The authors investigated the changes of cortical sensorimotor activity in functional MRI (fMRI) and functional recovery in spinal cord injury (SCI) patients who had been treated by bone marrow cell transplantation.
METHODS
Nineteen patients with SCI were included in this study; ten patients with clinical improvement and nine without. The cortical sensorimotor activations were studied using the proprioceptive stimulation during the fMRI.
RESULTS
Diagnostic accuracy of fMRI with neurological improvement was 70.0% and 44.4% for sensitivity and specificity, respectively. Signal activation in the ipsilateral motor cortex in fMRI was commonly observed in the clinically neurological improved group (p-value=0.002). Signal activation in the contralateral temporal lobe and basal ganglia was more commonly found in the neurological unimproved group (p-value<0.001). Signal activation in other locations was not statistically different.
CONCLUSION
In patients with SCI, activation patterns of fMRI between patients with neurologic recovery and those without varied. Such plasticity should be considered in evaluating SCI interventions based on behavioral and neurological measurements.

Keyword

Sensorimotor; Functional MRI; Spinal cord injury; Bone marrow cell; Proprioceptive

MeSH Terms

Basal Ganglia
Bone Marrow Cells
Bone Marrow Transplantation
Humans
Magnetic Resonance Imaging*
Motor Cortex
Plastics
Sensitivity and Specificity
Spinal Cord Injuries*
Temporal Lobe
Plastics
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