![]() ![]() We planned our study based on the classification proposed by Padua et al. In another recently proposed classification, needle EMG findings were included in addition to nerve conduction studies, and this article describes the classification based on two cases. seems to be a good one, but it does not include needle electromyography (EMG) findings. The UNE classification suggested by Padua et al. Īlthough UNE is the second most common entrapment mononeuropathy following carpal tunnel syndrome and there are many classifications and questionnaires according to clinical features or examination findings, there are few publications on its neurophysiological classification. Short-segment motor nerve conduction studies across the elbow are recommended and are considered as gold standard for diagnosis of UNE and localization of the lesion. The American Association of Neuromuscular and Electrodiagnostic Medicine recommends using the following criteria in the diagnosis of UNE: slowing of motor nerve conduction velocity (NCV) at the elbow segment, increased velocity difference between the motor NCV of the forearm and elbow segments (FEVD), a 20% reduction in the compound muscle action potential (CMAP) amplitude or a CMAP morphology change above the elbow compared to the CMAP obtained by stimulating the ulnar nerve below the elbow. Ulnar neuropathy at the elbow (UNE) is a common mononeuropathy, and nerve conduction study is important for its diagnosis.
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