Clinical trials

This study aims to compare the effects of two regional analgesia techniques applied in patients undergoing unilateral total knee arthroplasty-Infiltration between the Popliteal Artery and the Capsule of the Knee (iPACK) block and the Biceps Femoris Short Head Plane (BiFeS) block-on ease of application, postoperative pain scores, time to mobilization, total postoperative opioid consumption, need for first rescue analgesia, and the incidence of nausea-vomiting and pruritus.All patients will be followed postoperatively according to a standard pain management protocol, and pain assessments will be performed at predetermined time intervals using the VAS (Visual Analog Scale).