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Total knee arthroplasty (TKA) is a major surgical procedure that can be extremely upsetting. There are several methods available for postoperative pain management after knee surgery. One commonly used method is multimodal analgesia based on continuous adductor canal block. Comparing the effect of the addition of posterior knee block, known as the infiltration between the popliteal artery and capsule of the knee (IPACK) block, to continuous adductor canal block (CACB) after total knee arthroplasty. A total of 52 patients who underwent total knee arthroplasty were included and randomly divided into two groups receiving ultrasound-guided continuous adductor canal block or a combination of continuous ultrasound guided adductor canal block and the Infiltration between the popliteal artery and capsule of the knee block at the end of the surgery. Regarding the criteria for pain control, there was a statistically significant difference between the two groups regarding the postoperative visual analog score at 2, 4, 8, and 12 h after following up, which was not reported at 16 or 24 h postoperatively. The total nalbuphine consumption on the first day postoperative also showed a significant difference. A comparison of the basic demographic data, the onset of ambulation, the Timed Up and Go (TUG) test, and the straight leg raising test revealed no significant difference between the two groups. Our study found that the use of continuous ultrasound guided adductor canal block and the Infiltration between the popliteal artery and capsule of the knee block together resulted in better postoperative pain management and reduced the need for nalbuphine. Despite this, there were no significant differences between the groups in terms of motor power or ambulation abilities. Trial registration number: PACTR202301536928551

egyptian journal of anaesthesia

Effect of Adding Infiltration between The Popliteal Artery and Capsule of The Knee Block (IPACK) to Continuous Adductor Canal Block after Total Knee Arthroplasty