• Eur Spine J · Feb 2023

    Randomized Controlled Trial

    Effect of bilateral ultrasound-guided erector spinae plane block on postoperative pain after open lumbar spinal surgery: a double-blind, randomized controlled trial.

    • Aumjit Wittayapairoj, Kriangkrai Wittayapairoj, and Malinee Vechvitvarakul.
    • Department of Anesthesiology, Faculty of Medicine, Khon Kaen University, Khon Kaen, 40002, Thailand.
    • Eur Spine J. 2023 Feb 1; 32 (2): 420427420-427.

    PurposeThe peripheral nerve blocks (PNB) are an important part of the multimodal analgesia for reducing postoperative pain, opioids consumption and its side effects. A new PNB, Erector spinae plane block (ESPB), has been revealed postoperative analgesic effect in various surgical procedures such as breast, thoracic and abdominal surgery, with the limitation of the studies for spine surgery. We aimed to evaluate the analgesic effect of ultrasound-guided bilateral erector spinae plane block (ESPB) after open lumbar spinal surgery.MethodsA double-blind, randomized controlled trial was conducted. Sixty-two patients undergoing posterior lumbar spinal surgery were randomly allocated into two groups. The ESPB group (n = 31) received ultrasound (US)-guided bilateral ESPB using 20 ml of 0.375% bupivacaine with adrenaline 5 mcg/ml per side. The control group (n = 31) received no intervention. The same postoperative analgesia regimen was applied by oral acetaminophen 10-15 mg/kg every 6 h, naproxen 250 mg twice daily, and intravenous (IV) morphine via patient-controlled analgesia (PCA) device. The postoperative morphine consumption, numerical pain score (NRS) and the side effects were recorded.ResultsThe bilateral ESPB group reduced the 24 h-morphine consumption by 42.9% (P < 0.001), decreased overall pain score at rest by 1.4 points (P = 0.02), and decreased overall pain score on movement by 2.2 points (P < 0.001). No severe complications related to the block technique or morphine used occurred.ConclusionThe US-guided bilateral ESPB demonstrated the effectiveness for postoperative analgesia management after open lumbar spinal surgery regarding reduced opioid consumption and pain score without any serious complications.© 2022. The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature.

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