الفهرس 
Effectiveness of bilateral ultrasound-guided erector spinae plane block in intraoperative and postoperative pain control in lumbar spine surgeries
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Abstract
One of these regional analgesia techniques is the erector spinae plane block (ESPB). it was first described in 2016 as a regional block for the treatment of thoracic neuropathic pain (7,8). This has shown promise as an alternative to neuraxial blockade for a variety of surgeries with good effect. In addition, the block has a reduced risk of epidural hematoma, direct spinal cord injury, and central infection (9,10). The proposed mechanism of action of the ESPB is via blockade of the dorsal and ventral rami of the spinal nerves and sympathetic nerve fibers (11,12). Radiographic evidence suggests that local anesthetic injected into at the erector spinae plane (ESP) spreads both cranially and caudally as the plane is continuous along the vertebral column (13). ESPB reports have demonstrated analgesia at cervical, thoracic, and lumbar levels (14,15) for procedures such as pyeloplasty, lipoma excision, breast reconstruction, malignant mesothelioma, inguinal hernia repairs, and hip reconstructions