Spine · 2000
Effect of electrical stimulation of peripheral nerves on neuropathic pain.
СтатьяНазвание и аннотация: Перевод в очереди
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Hanai F
Аннотация
STUDY DESIGN: Changes in the electrophysiologic response of spinal dorsal horn neurons elicited by peripheral electrical stimulation were examined.
OBJECTIVE: To investigate whether the electrical stimulation of peripheral nerves causes an inhibition of pain at the spinal cord level.
SUMMARY OF BACKGROUND DATA: The wide dynamic range neurons studied were known to be excited by primary afferent fibers, not only combined A (delta) and C nociceptive fibers, but also low-threshold mechanoreceptive A (beta) fibers and A (delta) fibers of down hairs. The wide dynamic range neurons are classified as nociceptive neurons.
METHODS: Responses of wide dynamic range neurons in the lumbosacral dorsal horn to input from C fibers were studied in urethane chloralose-anesthetized cats. The posterior tibial nerve and sciatic nerve were stimulated simultaneously to examine the effect on the C fiber responses elicited by superficial peroneal nerve stimulation.
RESULTS: Simultaneous stimulation of the posterior tibial nerve and sciatic nerve was performed with superficial peroneal nerve C fiber stimulation.
CONCLUSIONS: This study demonstrated that electrical stimulation of peripheral nerves leads to inhibitory input to the pain pathways at the spinal cord level.
OBJECTIVE: To investigate whether the electrical stimulation of peripheral nerves causes an inhibition of pain at the spinal cord level.
SUMMARY OF BACKGROUND DATA: The wide dynamic range neurons studied were known to be excited by primary afferent fibers, not only combined A (delta) and C nociceptive fibers, but also low-threshold mechanoreceptive A (beta) fibers and A (delta) fibers of down hairs. The wide dynamic range neurons are classified as nociceptive neurons.
METHODS: Responses of wide dynamic range neurons in the lumbosacral dorsal horn to input from C fibers were studied in urethane chloralose-anesthetized cats. The posterior tibial nerve and sciatic nerve were stimulated simultaneously to examine the effect on the C fiber responses elicited by superficial peroneal nerve stimulation.
RESULTS: Simultaneous stimulation of the posterior tibial nerve and sciatic nerve was performed with superficial peroneal nerve C fiber stimulation.
CONCLUSIONS: This study demonstrated that electrical stimulation of peripheral nerves leads to inhibitory input to the pain pathways at the spinal cord level.