Surgical endoscopy
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Randomized Controlled Trial
Effects of quadratus lumborum block regional anesthesia on postoperative pain after colorectal resection: a randomized controlled trial.
Postoperative pain following colorectal surgery is associated with a significant use of opioids. Recently, regional anesthesia, such as the posterior quadratus lumborum block (QL2), has been proposed to improve pain relief and reduce opioid use. However, the benefit of the QL2 on postoperative pain control remains controversial. ⋯ We did not observe a reduction in postoperative opioid administration at 24 h with a posterior quadratus lumborum block regional anesthesia in patients undergoing elective colorectal surgery.