Comparison of the Effects of Retro Laminar Block (RLB) and Erector Spina Area Block (ESP) on Postoperative Recovery Quality and Pain in Lumbar Spinal Surgery

After anesthesia and surgical intervention, bilateral ESP passage will be performed with ultrasonography from the T10 level 3 cm lateral to the midline. After cleaning the area with povidone iodine before the block, T10 transverse output will be determined using a linear ultrasound probe. Local anesthetic will be applied to the erector spina with the use of the needle used for peripheral block procedures and transverse access. With the serum treatment from the local anesthesia application, the location of the needle will be correct with the hydrodissection method. After the location of the needle is confirmed, a mixture containing 20 ml of LA and serum will be applied and the same procedure will be repeated in the contralateral. 20 ml of total 40 ml LA is bupivacaine 0.5%, after 20 ml serum content.

The patient is in the prone position and the high-frequency linear ultrasound transducer is in parasagittal orientation, but the entry point is determined more medial than the ESP block. The needle entry point is 1-1.5 cm lateral to the targeted spinos process. The echogenic needle is advanced until it contacts the lamina in the craniocaudal plane and 0.5-1 for control. By giving cc 0.9 nacl solution, it is observed that the fluid is distributed between the erector spina muscle and the lamina. After the location of the needle is confirmed, a mixture of 20 ml of LA and saline will be applied and the same procedure will be repeated in the contralateral. 20 ml of total 40 ml LA will consist of bupivacaine 0.5% and 20 ml physiological saline.