Comparison of the Effectiveness of Ultrasound-Guided Quadratus Lumborum 2 Block and Classic Thoracolumbar Interfacial Plane Block in the Management of Postoperative Analgesia After Lumbar Spinal Surgery

Detailed Summary

Lumbar spinal surgery, one of the most common operations for the treatment of back and leg pain, is a painful postoperative procedure. Pain control is an important part of the treatment in these patients who may develop chronic pain. In patients undergoing surgery for lumbar disc herniation (LDH), severe pain may occur in the postoperative period, especially in the operation area, and this pain may become chronic. The subject of our study is to observe the effect on the use of analgesics by randomizing the patients that we routinely block in this painful procedure. We aimed to evaluate the analgesic efficacy of two different regional analgesia methods performed under ultrasound guidance in patients undergoing lumbar spinal surgery.Thoracolumbar interfacial plane (TLIP) block is a regional analgesia technique performed under US guidance, which was defined by Hand et al. in 2015 (10). Ueshima et al. retrospectively demonstrated that this technique produces effective analgesia after lumbar laminoplasty. reported in their study (11). In the classical technique, local anesthetic infiltration is performed between the Multifidus and Longissimus muscles in the 4th Lumbar (L4) vertebral region (10). There is no study in the literature comparing classical TLIP block and QL2 block. In this study, it was aimed to compare the effectiveness of US-guided Classic TLIP block and Posterior QLB (QL2) block for postoperative analgesia management after LDH surgery. Our primary aim is to determine the 24-hour opioid requirement, and our secondary aim is to; to compare postoperative pain scores (NRS), to evaluate side effects (allergic reaction, nausea, vomiting) associated with opioid use and complications that may occur due to block.

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