Effect of regional spinal cord blood flow and central control in recovery from spinal cord injury.

Abstract:

:Forty-two cats were subjected to decerebration, thoracic and lumbar laminectomies, and isolation of the sciatic nerves. Spinal evoked potentials in response to bilateral sciatic nerve stimulation were recorded at L-3, and the spinal cord blood flow (SCBF) was measured by the hydrogen clearance technique. Thoracic cordotomy did not alter the lumbar SCBF or the central conduction time as determined by spinal evoked potentials. Thoracic cordotomy significantly lowered the lumbar spinal cord injury threshold. Continuous sciatic nerve stimulation increased the lumbar SCBF in normal and traumatized animals; however, it did not affect the spinal cord injury threshold as measured by recovery of the spinal evoked potentials. It appears that rostral spinal cord integrity is far more significant in recovery from spinal cord injury than the maintenance of regional SCBF.

journal_name

J Neurosurg

journal_title

Journal of neurosurgery

authors

Chehrazi BB,Scremin O,Decima EE

doi

10.3171/jns.1989.71.5.0747

subject

Has Abstract

pub_date

1989-11-01 00:00:00

pages

747-53

issue

5 Pt 1

eissn

0022-3085

issn

1933-0693

journal_volume

71

pub_type

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