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Ann Clin Neurophysiol > Volume 7(2); 2005 > Article
Ann Clin Neurophysiol. 2005; 7(2): 97-100.
Clinical Utility of Dorsal Sural Nerve Conduction Studies in Patients with Polyneuropathy and Normal Sural Response
Joong-Yang Cho, Jae-Hyeok Heo, Ju-Hong Min, and Nam-Hee Kim
Copyright © 2005 The Korean Society of Clinical Neurophysiology
This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
Background: The most distal sensory fibers of the feet are often affected first in polyneuropathy. However, they are not evaluated in routine nerve conduction studies. Thus we evaluated the dorsal sural sensory nerve in patients with sensorimotor polyneuropathy with normal sural response, in order to assess the usefulness in electrodiagnostic practice.
Methods: In this study, 53 healthy subjects and 27 patients with clinical evidence of sensorimotor polyneuropathy were included. In all subjects, peripheral motor and sensory nerve studies were performed on the upper and lower limbs including dorsal sural nerve conduction studies. On electrodiagnostic testing, all patients had normal sural responses.
Results: The dorsal sural sensory nerve action potentials (SNAPs) mean amplitude was 13.12
Key words: Dorsal sural nerve, Polyneuropathy, Nerve conduction studies
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