Prevalence of spasticity and below-level neuropathic pain related to spinal cord injury level and damage to the lower spinal segments
DOI:
https://doi.org/10.2340/20030711-1000039Keywords:
spinal cord injury, spasticity, neuropathic pain, lumbar spine stenosis.Abstract
Objective: To evaluate spasticity and below-level spinal cord injury neuropathic pain after spinal cord injury in patients with, or without, damage to the lumbar spinal cord and roots. Design/patients: Chart review of 269 patients with spinal cord injury from segments C1 to T11. Methods: Patients were interviewed concerning leg spasticity and below-level spinal cord injury neuropathic pain in the lower trunk and legs. Damage to the lumbar spinal cord and roots was inferred where there was radiological evidence of a vertebral fracture, spinal stenosis or the narrowing of spinal foramina of a vertebra from thoracic 11 to lumbar 5, or; magnetic resonance imaging showing evidence of damage to the lumbar spinal cord and roots. Results: Among 161 patients without damage to the lumbar spinal cord and roots, 87% of those with cervical spinal cord injury experienced spasticity, compared with 85% with thoracic spinal cord injury. The corresponding figures for patients in whom damage to the lumbar spinal cord and roots was present were 57% and 52%, respectively. Below-level spinal cord injury neuropathic pain was not associated with damage to the lumbar spinal cord and roots. In those patients with no damage to the lumbar spinal cord and roots, regression showed that neither outcome was significantly associated with the level of spinal cord injury. Conclusion: The lack of segmental dependency for spinal cord injury and spasticity suggests mechanisms restricted mainly to the lumbar spinal cord. For below-level spinal cord injury neuropathic pain, additional mechanisms, other than lesions of the spino-thalamic tract, must be considered.Downloads
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Copyright (c) 2020 Bengt Skoog, Karl-Erik Jakobsson
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