alexa Cryoanalgesia: electrophysiology at different temperatures.


Journal of Addiction Research & Therapy

Author(s): Zhou L, Shao Z, Ou S

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Abstract Somatosensory evoked potentials (SEP) and sensory conduction velocity (SCV) were measured in rabbit sciatic nerves following graded cold lesioning. The SEP disappeared when injury was induced at temperatures below -60 degrees C, but returned on day 41+/-4 (mean+/-SD). SEP returned on day 56+/-11 days when the lesion was induced at 100 to -180 degrees C. The SEP latency was prolonged after creating lesions at -100 to -180 degrees C, compared with both the sham operated and the -20 degrees C groups. These experiments suggest the cryolesions produced at temperatures between -60 and -100 degrees C are most suitable for altering the electrophysiological conduction of the nerve, and may result in suitable post-operative analgesia.
This article was published in Cryobiology and referenced in Journal of Addiction Research & Therapy

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