Selective measurement of digital nerve conduction velocity

Yuji Terai, Masuo Senda, Hiroyuki Hashizume, Hiroaki Nagashima, Hajime Inoue

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

We developed a new method to measure the nerve conduction velocity of a single digital nerve. In 27 volunteers (27 hands), we separately stimulated each digital nerve on the radial and ulnar sides of the middle and ring fingers. A double-peaked potential was recorded above the median nerve at the wrist joint when either the radial-side nerve or the ulnar-side nerve of the middle finger was stimulated. The first peak of this potential had disappeared after the digital nerve was blocked under the stimulating electrodes, and the peak appeared again coinciding with the decrease of anesthesia. Shifting the stimulating electrodes on the digital nerve resulted in no significant difference in the peak conduction velocity. It is possible that each peak of the potential was attributable to conduction of an action potential along one of the two digital nerves. This new method allows the assessment of a single digital nerve, and may be clinically useful for assessing the rupture of a digital nerve and the sensory nerve action potentials in carpal tunnel syndrome.

Original languageEnglish
Pages (from-to)123-127
Number of pages5
JournalJournal of Orthopaedic Science
Volume6
Issue number2
DOIs
Publication statusPublished - Jan 1 2001

Keywords

  • Digital nerve
  • Double-peaked potential
  • Nerve conduction studies

ASJC Scopus subject areas

  • Surgery
  • Orthopedics and Sports Medicine

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