섬유

effect of pulsed infrared lasers on neural conduction and axoplasmic transport in sensory nerves

  • 출판일1999.03
  • 저자
  • 서지사항
  • 등록일 2016.11.02
  • 조회수 380
evaluates the effects of pulsed nd'yag laser light on neural impulse conduction and axoplasmic transport in sensory nerves in rats and cats. the data indicate that q-switched nd'yag laser irradiation can induce a preferential impairment of (1) the synaptic effects of small afferent fibers on dorsal horn cells in the spinal cord and of (2) small slow conducting sensory nerve fibers in dorsal roots and peripheral nerves. these results imply that laser light might have selective effects on impulse conduction in slow conducting sensory nerve fibers. in agreement with these electrophysiological observations recent histological data show that axonal transport of the enzyme horseradish peroxidase is selectively impaired in small sensory nerve fibers. therefore selective influence of laser irradiation on slow conducting fibers could have important clinical applications, especially for the treatment of chronic pain
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