An objective assessment of nerve stimulators used for peripheral nerve blockade

  • D. Jochum
  • , G. Iohom
  • , D. P. Diarra
  • , F. Loughnane
  • , L. J. Dupré
  • , H. Bouaziz

Research output: Contribution to journalArticlepeer-review

Abstract

Nerve stimulation is considered by many to be the current 'gold standard' for locating peripheral nerves. Thirteen nerve stimulators were subjected to a battery of tests performed by two independent observers under standardised conditions using a digital oscilloscope, a calibrated resistance and a novel scoring system. Individual scores were assigned for the signal waveform, current intensity, impulse duration, maximum load output and functionality of each nerve stimulator; the maximum score achievable was 20. A score of ≥ 15/20 was achieved by six nerve stimulators: Stimuplex HNS 12™ (B Braun); MultiStim Vario™ (Pajunk); Plexival™ (Medival, Vygon); MultiStim Sensor™ (Pajunk); Plexygon™ (Aryon, Vygon); Stimuplex HNS 11™ (B Braun). Seven nerve stimulators scored < 15/20. Anaesthetists should be aware of the limitations of the nerve stimulator being used. Standardisation of features is desirable when manufacturing nerve stimulators.

Original languageEnglish
Pages (from-to)557-564
Number of pages8
JournalAnaesthesia
Volume61
Issue number6
DOIs
Publication statusPublished - Jun 2006
Externally publishedYes

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