Evaluation Of Three Different Anagesic Techniques In Patients Undergoing Lumbar Fixation Surgery

After the surgical team places the final suture, while the patient is in the prone position, an ultrasound-guided ESP (Erector Spinae Plane) block will be administered bilaterally using a block needle. A total of 40 mL of 0.25% bupivacaine will be injected.

Before the surgical team closes the incision, local infiltration with 40 mL of 0.25% bupivacaine will be performed at the surgical site.