1. Introduction
nerve blockade, postoperative pain, TKA
INFILTRATION, POSTOPERATIVE COMPLICATIONS
Early mobilization after surgery is strongly recommended to avoid postoperative complications,Severe postoperative pain occurs in up to 60% of patients receiving TKA.To counteract moderate and severe postoperative pain after TKA, nerve blockade, infiltration analgesia,The aim of the present study was to investigate whether objectively measured physical activity differed between patients allocated to a tapentadol extended-release (ER) group, an oxycodone controlled-release (CR) group, and a non-opioid placebo analgesic regimen group in the first week after TKA.