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Related Experiment Videos

Infraclavicular plexus block: multiple injection versus single injection.

Elisabeth Gaertner1, Jean-Pierre Estebe, Alina Zamfir

  • 1Département d'Anesthésie-Réanimation, CHU de Hautepierre, Strasbourg, France. e.gaertner@evc.net

Regional Anesthesia and Pain Medicine
|November 14, 2002
PubMed
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Performing an infraclavicular block with stimulation of all three cords of the brachial plexus significantly increases the success rate of anesthesia compared to single stimulation techniques.

Area of Science:

  • Anesthesiology
  • Regional Anesthesia
  • Surgical Procedures

Background:

  • Coracoid infraclavicular nerve block is a regional anesthesia technique.
  • Nerve stimulators are commonly used to identify target nerves.
  • Optimizing block success is crucial for patient outcomes.

Purpose of the Study:

  • To compare the success rates of coracoid infraclavicular nerve blocks using one versus three motor responses.
  • To evaluate the impact of stimulating multiple brachial plexus cords on block efficacy.

Main Methods:

  • Prospective, randomized, multicentered study involving 80 patients undergoing upper limb surgery.
  • Group 1: single motor response stimulation. Group 2: stimulation of three responses (musculocutaneous, median/ulnar, radial).

Related Experiment Videos

  • Standardized local anesthetic mixture used; sensory and motor block assessed by a blinded observer.

    • Main Results:

    • Multistimulation group showed faster onset of sensory and motor block.
    • Success rate of the block without additional anesthesia increased from 40% to 72.5% in the multistimulation group (P <.0001).
    • Block duration was slightly increased in the multistimulation group.

    Conclusions:

    • Stimulating all three cords of the brachial plexus during an infraclavicular block leads to a higher success rate.
    • Multicord stimulation is superior to single-cord stimulation for achieving effective regional anesthesia.