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    The optimal continuous peripheral nerve block (CPNB) technique for total hip arthroplasty (THA) that maximizes both analgesia and mobility is unknown. Continuous erector spinae plane (ESP) blocks were implemented at our institution as a replacement for fascia iliaca (FI) catheters to improve our THA clinical pathway. We designed this study to test the hypothesis that this change will increase early postoperative ambulation for elective primary THA patients. We identified all consecutive primary unilateral THA cases six months before and six months after the clinical pathway change to ESP catheters. All other aspects of the THA clinical pathway and multimodal analgesic regimen including perineural infusion protocol did not change. The primary outcome was total ambulation distance (meters) on postoperative day 1. Other outcomes included total ambulation on postoperative day 2, combined two-day ambulation distance, pain scores, opioid consumption, inpatient length of stay, and minor and major adverse events. Eighty-eight patients comprised the final sample (43 FI and 45 ESP). Postoperative day 1 total ambulation distance was greater for the ESP group compared with the FI group (median [10th-90th percentiles] = 24.4 [0.0-54.9] vs 9.1 [0.7-45.7] meters, respectively, Pā€‰=ā€‰0.036), and two-day ambulation distance was greater for the ESP group compared with the FI group (median [10th-90th percentiles] = 68.6 [9.0-128.0] vs 46.6 [3.7-104.2] meters, respectively, Pā€‰=ā€‰0.038). There were no differences in pain scores, opioid use, or other outcomes. Replacing FI catheters with continuous ESP blocks within a clinical pathway results in increased early ambulation by elective primary THA patients. Published by Oxford University Press on behalf of the American Academy of Pain Medicine 2020. This work is written by US Government employees and is in the public domain in the US.


    Lei Xu, Jody C Leng, Hesham Elsharkawy, Oluwatobi O Hunter, T Kyle Harrison, Lindsey Vokach-Brodsky, Gunjan Kumar, Natasha Funck, Jonay N Hill, Nicholas J Giori, Pier F Indelli, Alex Kou, Edward R Mariano. Replacement of Fascia Iliaca Catheters with Continuous Erector Spinae Plane Blocks Within a Clinical Pathway Facilitates Early Ambulation After Total Hip Arthroplasty. Pain medicine (Malden, Mass.). 2020 Oct 01;21(10):2423-2429

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    PMID: 32869079

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