Cadaveric study investigating the phrenic-sparing volume for anterior suprascapular nerve block.
Naraporn MaikongPerada KantakamApichat SinthubuaPasuk MahakkanukrauhDe Qh TranPrangmalee LeurcharusmeePublished in: Regional anesthesia and pain medicine (2021)
For ultrasound-guided anterior suprascapular nerve block, the MEV90 of dye required to spare the phrenic nerve is 4.2 mL. Further studies are required to correlate this finding with the MEV90 of local anesthetic in live subjects.