US-Guided Quadro-Iliac Plane Block for Postoperative Analgesia After Lumbar Instrumentation
Evaluation of the Effectiveness of Ultrasound-Guided Quadro-Iliac Plane Block in Postoperative Analgesia Management Following Lumbar Instrumentation Surgery
Bursa City Hospital
80 participants
Jan 20, 2026
INTERVENTIONAL
Conditions
Summary
Lumbar instrumentation surgery is associated with significant postoperative pain. This study evaluates the analgesic effectiveness of the ultrasound-guided Quadro-Iliac Plane Block in patients undergoing lumbar instrumentation surgery, aiming to assess the efficacy of this newly developed technique for postoperative pain management.
Eligibility
Inclusion Criteria4
- Classified as American Society of Anesthesiologists (ASA) physical status I-III
- Scheduled for elective lumbar instrumentation surgery
- Surgery performed under general anesthesia
- Provision of written informed consent
Exclusion Criteria10
- Use of anticoagulant or antiplatelet medications
- Presence of bleeding diathesis or coagulation disorders
- Known allergy or hypersensitivity to local anesthetics or opioid medications
- Infection at the planned block site
- Alcohol or drug dependence
- Cognitive impairment preventing reliable pain assessment using the NRS
- Pregnancy or lactation
- History of previous lumbar spine surgery
- Diabetes mellitus
- Renal or hepatic impairment
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Interventions
Ultrasound-guided regional anesthesia technique performed between the erector spinae muscle and the quadratus lumborum muscle at the iliac crest level.
Locations(1)
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NCT07370428