A Randomized Non-Inferiority Trial of Adductor Canal Block for Analgesia After Total Knee Arthroplasty: Single Injection Versus Catheter Technique

Single injection ACB, with and without IV Dex, is non-inferior to ACB catheters in 24-hour opioid consumption, and may be attractive options for early-discharge, fast-track total knee arthroplasty.