The investigators aim to compare the postoperative analgesic efficacy of the classical thoracolumbar interfascial plane block and the Quadro-iliac plane block for postoperative analgesia management after lumbar disc surgery.
Who can participate
Age range18 Years – 70 Years
SexALL
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AI-rewrites the medical criteria so a patient or caregiver can understand them. Always confirm with the trial site.
Inclusion Criteria:
* Patients aged 18-70 years,
* Classified as ASA physical status I-III,
* Scheduled to undergo single-level lumbar spinal surgery under general anesthesia
* Who agree to participate in the study by providing written informed consent
Exclusion Criteria:
* History of bleeding diathesis or current anticoagulant therapy
* Known allergy or hypersensitivity to local anesthetics or opioid medications
* Infection at the planned block injection site
* Previous lumbar spine surgery
* History of gabapentinoid or corticosteroid use within the last 3 weeks
* Inability to use a patient-controlled analgesia (PCA) device
* Suspected pregnancy, confirmed pregnancy, or breastfeeding
* Refusal to undergo the procedure or to participate in the study