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The Usefulness of Proximal Radial Motor Conduction in Acute Compressive Radial Neuropathy

2015; Volume: 11; Issue: 2 Linguagem: Inglês

10.3988/jcn.2015.11.2.178

2005-5013

Kun Hyun Kim, Kee-Duk Park, Pil‐Wook Chung, Heui‐Soo Moon, Yong Bum Kim, Won Tae Yoon, Hyung Jun Park, Bum Chun Suh,

Nerve Injury and Rehabilitation

Background and PurposezzThe objective of this study was to determine diagnostic and prognostic values of proximal radial motor conduction in acute compressive radial neuropathy.MethodszzThirty-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.ResultszzThirty-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±34.3days.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.ConclusionszzProximal radial motor conduction appears to be a useful method for the early detection and prediction of prognosis of acute compressive radial neuropathy.