A novel method to measure sensory nerve conduction of the supraclavicular nerve. Issue 6 (30th October 2014)

• Record Type: Journal Article
• Authors: Hemmi, Shoji; Kurokawa, Katsumi; Nagai, Taiji; Murakami, Tatsufumi; Sunada, Yoshihide
• Is Part Of: Muscle & nerve. Volume 50:Issue 6(2014:Dec.)
• Page Start: 1005
• Page End: 1007
• Publication Date: 2014-10-30
• Subjects: Neuromuscular diseases -- Periodicals; Muscles -- Periodicals; Nerves -- Periodicals; 616.74
• DOI: 10.1002/mus.24335
• Languages: English
• ISSNs: 0148-639X

Abstract

<abstract abstract-type="main"> <title>ABSTRACT</title> <sec id="mus24335-sec-0001" sec-type="section"> <p> <italic>Introduction</italic>: In this report we describe a reliable method for recording sensory nerve action potentials (SNAPs) of the supraclavicular nerve. <italic>Methods</italic>: Supraclavicular SNAPs were recorded by placing a surface active electrode at the posterior border of the sternocleidomastoid muscle at a distance of 6 cm from the sternoclavicular joint. The nerve was stimulated at the lower border of the clavicle 4.5 cm lateral to the sternoclavicular joint. <italic>Results</italic>: Supraclavicular SNAPs were recorded bilaterally from 20 healthy volunteers. Mean onset latency was 1.0 ± 0.2 ms, and mean peak latency was 1.4 ± 0.3 ms. Mean baseline‐to‐peak amplitude for the SNAPs was 6.1 ± 2.2 µV, and mean maximum conduction velocity was 59.8 ± 6.2 m/s. The mean percentage of side‐to‐side difference in amplitude was 12.9 ± 11.0%. <italic>Conclusions</italic>: Supraclavicular SNAPs could be obtained in all normal subjects. Assessment of supraclavicular nerve conduction is very useful in the diagnosis of supraclavicular neuropathy <italic>Muscle Nerve</italic> 50: 1005–1007, 2014</p> </sec> </abstract>