Quadro-Iliac vs Thoracolumbar Interfascial Plane Block for Analgesia After Single-Level Lumbar Disc Surgery
Comparison of the Postoperative Analgesic Efficacy of the Quadro-Iliac Plane Block and the Classical Thoracolumbar Interfascial Plane Block in Single-Level Lumbar Disc Surgery: A Prospective Randomized Controlled Trial
Samsun University
70 participants
Jan 6, 2026
INTERVENTIONAL
Conditions
Summary
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.
Eligibility
Inclusion Criteria4
- 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 Criteria8
- 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
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Interventions
Quadro-iliac plane block will be performed under ultrasound guidance before the induction of general anesthesia.
Classical thoracolumbar interfascial plane block will be performed under ultrasound guidance before the induction of general anesthesia.
Locations(1)
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NCT07348419