A New Light Source for Nerve Regeneration
Low power lasers and other irradiation sources of low power light are now in use both clinically and experimentally all over the world. A comprehensive comparative review was conducted and reported by Basford,(1) (1986) leading to non-conclusive results. A number of investigators dealt with the effect of light from various sources upon the peripheral nerves. Da Ren et al,(2) (1987) sectioned and sutured back the sciatic nerve in rats and found HeNe laser delivering 150 mJ to the point of suture to increase the degeneration of damaged fibers. Walker,(3) (1985) and Walker,(4) (1985) reported temporary suppression of clonus in humans and the appearance of laser induced somatosensory evoked potentials, using 1 mW HeNe pulsed laser delivering 0.5 J/cm2 transcutaneously.
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