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KMID : 1130620150110020178
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Journal of Clinical Neurology
2015 Volume.11 No. 2 p.178 ~ p.182
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The Usefulness of Proximal Radial Motor Conduction in Acute Compressive Radial Neuropathy
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Kim Kun-Hyun
Park Kee-Duk
Chung Pil-Wook
Moon Heui-Soo
Kim Yong-Bum
Yoon Won-Tae
Park Hyung-Jun
Suh Bum-Chun
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Abstract
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Background and Purpose: The objective of this study was to determine diagnostic and prognostic values of proximal radial motor conduction in acute compressive radial neuropathy.
Methods: Thirty-nine consecutive cases of acute compressive radial neuropathy with radial conduction studies-including stimulation at Erb’s point-performed within 14 days from clinical onset were reviewed. The radial conduction data of 39 control subjects were used as reference data.
Results: Thirty-one men and eight women (age, 45.2±12.7 years, mean±SD) were enrolled. All 33 patients in whom clinical follow-up data were available experienced complete recovery, with a recovery time of 46.8±34.3 days. Partial conduction block was found frequently (17 patients) on radial conduction studies. The decrease in the compound muscle action potential area between the arm and Erb’s point was an independent predictor for recovery time.
Conclusions: Proximal radial motor conduction appears to be a useful method for the early detection and prediction of prognosis of acute compressive radial neuropathy.
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KEYWORD
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radial neuropathy, nerve conduction study, conduction block, diagnosis, prognosis
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