Ultrasound-guided erector spinae plane blocks for pain management after open lumbar laminectomy.

Purpose: Lumbar spine surgery is associated with significant postoperative pain. The benefits of erector spinae plane blocks (ESPBs) combined with multimodal analgesia has not been adequately studied. We evaluated the analgesic effects of bilateral ESPBs as a component of multimodal analgesia after open lumbar laminectomy. Methods: Analgesic effects of preoperative, bilateral, ultrasound-guided ESPBs combined with standardized multimodal analgesia (n = 25) was compared with multimodal analgesia alone (n = 25) in patients undergoing one or two level open lumbar laminectomy. Other aspects of perioperative care were similar. The primary outcome measure was cumulative opioid consumption at 24 h. Secondary outcomes included opioid consumption, pain scores, and nausea and vomiting requiring antiemetics on arrival to the post-anesthesia care unit (PACU), at 24 h, 48 h, and 72 h after surgery, as well as duration of the PACU and hospital stay. Results: Opioid requirements at 24 h were significantly lower with ESPBs (31.9 ± 12.3 mg vs. 61.2 ± 29.9 mg, oral morphine equivalents). Pain scores were significantly lower with ESPBs in the PACU and through postoperative day two. Patients who received ESPBs required fewer postoperative antiemetic therapy (n = 3, 12%) compared to those without ESPBs (n = 12, 48%). Furthermore, PACU duration was significantly shorter with ESPBs (49.7 ± 9.5 vs. 79.9 ± 24.6 min). Conclusions: Ultrasound-guided, bilateral ESPBs, when added to an optimal multimodal analgesia technique, reduce opioid consumption and pain scores, the need for antiemetic therapy, and the duration of stay in the PACU after one or two level open lumbar laminectomy. [ABSTRACT FROM AUTHOR]

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