Comparison between Ultrasound Guided IPACK Block (Interspace between the Popliteal Artery and Capsule of the Posterior Knee) and Adductor Canal Block in Patients Undergoing Total Knee Replacement in Postoperative Pain

Abstract Background Total knee replacement (TKR) is associated with significant postoperative pain. The need for effective analgesia without compromising function is a priority. Aim of the Work The aim of the study is to compare postoperative pain management and post-operative analgesia between IPACK block and Adductor canal block in total knee replacement cases. Patients and Methods The study was conducted on 60 patients who were scheduled to undergo total knee replacement and were divided into 2 equal groups: group 1: Patients in group 1 (n = 30) will receive IPACK block at the beginning of operation with 20 ml bupivacaine (0.25%) under complete aseptic conditions, group 2: patients in group 2 (n = 30) will receive Adductor canal block at the beginning of the operation with 20 ml bupivacaine (0.25%) under complete aseptic conditions. Results The two groups were adequately monitored and assessed post-operatively for 24 hours and they were compared regarding analgesic outcome by recording time for first for analgesic need, total consumption of opioid and pain score during walking and climbing stairs. Side effects were also monitored and compared. Conclusion The comparison between effect of IPACK block and adductor canal block as regard post- operative pain in total knee replacement showed significant difference regarding the numeric version of the visual analogue scale (VAS) that was used to assess postoperative pain and its intensity with range 1-3 for adductor canal block and 2-4 for IPACK block.