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Rehabilitation Practice and Science

Translated Title

磁電刺激於周邊神經檢查之運用

Abstract

Clinically, we were occasionally asked to evaluate peripheral nerve injuries in patients whose local cutaneous conditions, such as burn wound, crushing wound, skin graft, and gauze overlying limb, were not suitable for percutaneous electrical stimulation or needle EMG. Could the magnetic stimulation be used in these conditions? How much potential deviation could be produced with this technique when the limbs were covered by gauze? Its our purpose to solve these questions.Thirteen young volunteers participated in this tudy. First, we performed the motor and sensory NCV with percutaneous electrical stimulation. Then, the magnetic stimulation was performed with Cadwell MES-10, 9cm pointed coil. We stimulated the median nerve at wrist and elbow region with orientation of tangential edge. Each volunteer received magnetic stimulation with and without gauze overlying forearm respectively. The data of NCV parameters among above three different techniques were analysed. We found there was no significant difference at NCV and distal latency, but was significantly different at CMAP amplitude among three kinds of stimulation tenchniques. The costimulation of ulnar nerve in magnetic stimulation is about 27% in elbow, 0% in wrist region respectively. This study indicates that the peripheral nerves underlying gauze could be studied by magnetic stimulation, which is impossible by percutaneous electrical stimulation. Clinically, a complete peripheral nerve lesion that couldn't be evaluat ed by ES due to local cutaneous conditions such as bum wound, crushing wound, skin graft and gauze overlying limb might be studied by magnetic stimulation. But a reliable conclusion couldn't be drawn for the study of incomplete peripheral lesion by magnetic stimulation at present.

Language

Traditional Chinese

First Page

1

Last Page

8

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