“…For surgery on the upper extremity performed under brachial plexus blockade, for example, these include improved immediate/in-hospital postoperative pain management, a marked reduction in postoperative nausea and vomiting, shorter/eliminated postanesthesia care unit stay requirements, and a decrease in nonoperative times. [2][3][4][5][6][7][8][9] Our institution, a tertiary/quaternary care academic health sciences center in Vancouver, British Columbia, Canada (St. Paul's Hospital), established and implemented a dedicated ultrasoundguided regional anesthesia service in 2008-2009. In part because of the documented outcome benefits over the historical GA-based care, 8,9 this has resulted in a marked increase in PNBs for orthopedic extremity surgery, including single-shot brachial plexus blocks (sBPBs) for ambulatory wrist fracture surgery, a common and painful procedure.…”