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KMID : 0860920110130010025
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Journal of the Korean Association EMG-Electrodiagnostic Medicine
2011 Volume.13 No. 1 p.25 ~ p.30
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Retrospective Study on Electrophysiological Characteristics of Radial Neuropathy
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Choi Hyun-Soo
Jung Ho-Chul
Cho Nam-Soon
Kim Dong-Hwee
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Abstract
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Objectives:This study was designed to evaluate the electrophysiological characteristics of patients with
radial neuropathy.
Methods:Seventy-seven patients with electrodiagnostically confirmed radial neuropathy were analyzed
via the medical records and electrodiagnostic findings. Based on the needle electromyographic findings,
the most proximal muscle with abnormal findings was defined as the level of injury. The subjects were
divided into four groups according to the level of injury. The etiologies of radial motor neuropathy were
categorized into traumatic and non-traumatic causes. Traumatic causes included fracture, blunt trauma,
laceration and crushing injury. Non-traumatic causes included external pressure and mass. The relation of
the level of injury and the clinical characteristics was analyzed.
Results:The radial neuropathy was mainly traumatic origin (51.9%), especially fracture-related injury of
radial nerve and among non-tramuatic origin, external compression is common. The radial nerve was predominantly
compressed around the radial tunnel. There was no statistical significance between 4 lesion
locations and two etiologies of traumatic and non-traumatic origins (p=0.18).
Conclusion:Radial neuropathy has various etiologies and different electrodiagnostic findings. Early
detection of such neuropathy may prevent further deterioration.
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KEYWORD
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Radial nerve , Neuropathy , Clinical , Electrophysiological
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