Basic Approach to Magnetic Stimulation. Neurogenic Potential.:Neurogenic Potential

概要

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In clinical studies, the nerve conduction velocity or spinal evoked potential has been mostly recorded by electrical stimulation. In 1985, Barker et al reported about a magnetic method which could stimulate the nerve without discomfort or pain. Since then, many authors have demonstrated its usefulness or clinical application. The purpose of this study was to detect the availability of magnetic stimulation, compared with electrical stimulation. Hogs were anesthetized using ketamine and the sciatic nerve was exposed from the hip to the ankle. In the control recording, electrical stimulation at the sciatic elicited a neurogenic and myogenic response at the peripheral. Magnetic stimulation elicited a myogenic response only, and no neurogenic response. Under the muscle relaxation, a neurogenic response was elicited only by electrical stimulation, but not by the maximum magnetic stimulation. Electrical stimulation could be better than magnetic stimulation eliciting a more reliable neurogenic reponse.
西日本整形・災害外科学会の論文