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Retrolaminar Analgesia for LuMbar Surgery
Sponsor: Universidad de los Andes, Chile
Summary
This randomized controlled trial evaluates the effectiveness of ultrasound-guided retrolaminar nerve block in addition to standard multimodal analgesia for postoperative pain management in patients undergoing lumbar spine surgery. Fifty patients will be randomly assigned to receive either the retrolaminar block combined with standard pain management or standard pain management alone. The primary outcome is total opioid consumption in the first 24 hours after surgery. Secondary outcomes include pain intensity at multiple time points, time to first rescue analgesia, duration of sensory block, incidence of postoperative nausea and vomiting, length of hospital stay, patient satisfaction, and chronic pain development at 3 and 6 months follow-up.
Official title: Efficacy of Ultrasound-Guided Retrolaminar Block Combined With Standard Multimodal Analgesia for Postoperative Pain Management in Lumbar Spine Surgery: A Randomized Controlled Trial
Key Details
Gender
All
Age Range
18 Years - 80 Years
Study Type
INTERVENTIONAL
Enrollment
50
Start Date
2026-01-01
Completion Date
2027-06-01
Last Updated
2026-01-12
Healthy Volunteers
No
Conditions
Interventions
Ultrasound-Guided Retrolaminar Block
Patients will receive bilateral ultrasound-guided retrolaminar blocks with Bupivacaine 0.25% and Epinephrine 50mcg (15 ml total volume per side) before surgery. The block will be performed by an experienced anesthesiologist using real-time ultrasound guidance.
Standard Analgesia
Patients receive standard multimodal analgesia without regional anesthesia block.
Locations (1)
Clínica Universidad de los Andes, Chile
Santiago, Santiago Metropolitan, Chile