• Muscle & nerve · May 2013

    Ultrasonographic cross-sectional area normal values of the ulnar nerve along its course in the arm with electrophysiological correlations in 100 Asian subjects.

    • Lokesh Bathala, Pavan Kumar, Krishna Kumar, and Leo H Visser.
    • Department of Neurology, Narayana medical college and hospital, Nellore, Andhra Pradesh 524002, India. lokeshbdvt@yahoo.co.in
    • Muscle Nerve. 2013 May 1; 47 (5): 673-6.

    IntroductionNormative cross-sectional areas (CSAs) have been obtained for the Western population. We obtained CSAs of normal ulnar nerves at predetermined sites and correlate them with electrophysiological variables in Asian subjects.MethodsOne hundred healthy volunteers, mean age 39 ± 14 years (range, 18-75 years), were recruited for the study after obtaining informed consent. The ulnar nerve was examined ultrasonographically from wrist to axilla, and CSA was measured at predetermined sites. All subjects underwent a simultaneous standardized nerve conduction study.ResultsMen had larger CSAs, and CSAs increased with advancing age. There was a statistically significant correlation between CSA at the wrist and distal ulnar motor latency (P = 0.005).ConclusionsUlnar CSA correlated with age, gender, and distal motor latency. No correlations were observed with height, weight, or body mass index.Copyright © 2012 Wiley Periodicals, Inc.

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