Evaluating the spread of costoclavicular brachial plexus block: an anatomical study.
Veerandra KoyyalamudiNatalie R LangleyMonica W HarbellMolly B KrausRyan C CranerDavid P SeamansPublished in: Regional anesthesia and pain medicine (2020)
This cadaveric study demonstrates that ultrasound-guided injection in the costoclavicular space spreads cephalad to the brachial plexus in the supraclavicular space, consistently reaching the suprascapular nerve and all trunks and cords of the brachial plexus, while sparing the phrenic nerve.