| Summary: | Background: Optimal pain management is key to successful recovery in revision total hip arthroplasty. Lumbar plexus blocks (LPBs) have traditionally been used for postoperative pain management. Recently, the lumbar erector spinae plane block (LESPB) has emerged as a promising regional anesthesia technique and is relatively simple to perform. Our study aimed to evaluate whether continuous LESPB provided better analgesia and clinical outcomes than continuous LPB in revision hip arthroplasty. Material and methods: We compared 25 LPBs with 25 LESPBs performed from October 2017 to November 2018 for revision hip arthroplasty. The primary outcome of this study was difference in opioid consumption between the groups at 24 hours postoperatively. Secondary outcomes include pain scores, hospital lengths of stay, pain adjunct consumption, and incidence of postoperative nausea and vomiting. Results: There was no significant difference in average opioid consumption between the LPB and LESPB groups during the first 24 hours postoperatively (73.8 ± 68.1 mg vs 85.1 ± 69.7 mg, respectively, P = .57). Similarly, there was no significant difference in average pain scores (3.3 ± 2.1 vs 3.7 ± 1.8, respectively, P = .42). Conclusions: There was no significant difference in opioid consumption and pain scores in patients with continuous LESPB compared with those with continuous LPB. While our study did not show a difference in these outcomes, the LESPB is a straightforward regional block that avoids many of the risks of LPBs and may be as effective for pain control.
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