![]() Novel peripheral techniques for total knee arthroplasty promote reduced hospital length of stay: an analysis of 106 patients. Thobhani S, Scalercio L, Elliott CE, et al. A summary of the anatomy and current regional anesthesia practices for postoperative pain management in total knee arthroplasty. Kukreja P, Feinstein J, Kalagara HK, et al. Anesthetic and analgesic management for outpatient knee arthroplasty. This transient block may be explained by pooling of local anesthetic around the common peroneal nerve after spreading from the IPACK injection site. Foot drop in the ACB+IPACK group was resolved by POD 2 in both patients. 1, 2, 3 Surgically induced trauma was the reported cause of foot drop in the ACB group: the diagnosis of neurapraxia was suggested by the attending surgeon in both patients’ electronic charts. Postoperative foot drop results from motor blockade of the common peroneal nerve or from surgically-induced trauma, therefore delaying ambulation and onset of physiotherapy. ![]() 1, 2, 3 Four patients who were administered the ACB ( n = 2) or ACB+IPACK ( n = 2) experienced foot drop. Three patients who received the FNB fell postoperatively when ambulating, which aligns with the known disadvantage of the FNB in causing quadricep muscle weakness. There were no differences in pain intensity or distance ambulated between groups on POD 1 and 2. Mean pain scores on POD 0 for patients who received the ACB+IPACK or FNB+IPACK were lower than those for patients who did not receive the IPACK block. The mean (standard deviation) age of patients was 69.0 (9.0) yr, and the majority were female and were American Society of Anesthesiologists physical status III.
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