Periarticular Injection Cocktails for Pain Management After Total Knee Arthroplasty: A Systematic Review of Randomized Controlled Trials.
BACKGROUND Total knee arthroplasty (TKA) is a common and effective treatment for end-stage knee osteoarthritis, but postoperative pain remains a major barrier to recovery and may increase opioid use. Periarticular infiltration (PAI) with multimodal drug cocktails is a promising analgesic strategy, though the optimal fo...