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Intravenous Lidocaine Infusion in Lumbar Fusion Surgery
Sponsor: Ankara City Hospital Bilkent
Summary
Elective lumbar fusion surgery is associated with moderate to severe postoperative pain and often requires substantial perioperative opioid administration. Excessive opioid use may lead to adverse effects such as nausea, vomiting, sedation, respiratory depression, and delayed mobilization. Intravenous lidocaine infusion has been proposed as part of multimodal analgesia because of its analgesic, antihyperalgesic, and anti-inflammatory properties. This randomized, placebo-controlled clinical trial aims to evaluate the effect of intraoperative intravenous lidocaine infusion on postoperative opioid consumption and early recovery outcomes in patients undergoing elective lumbar fusion surgery. Patients will be randomly assigned to receive either intravenous lidocaine infusion or placebo during surgery. The primary outcome is cumulative postoperative opioid consumption within the first 24 hours after surgery. Secondary outcomes include intraoperative opioid consumption, postoperative pain scores, time to first rescue analgesic, quality of recovery, postoperative nausea and vomiting, time to mobilization, and length of hospital stay. In addition, inflammatory and oxidative stress biomarkers including interleukin-6 (IL-6) and markers of thiol-disulfide homeostasis will be measured preoperatively and postoperatively.
Official title: Effect of Intraoperative Intravenous Lidocaine Infusion on Postoperative Opioid Consumption and Recovery After Lumbar Fusion Surgery: A Randomized Controlled Trial
Key Details
Gender
All
Age Range
18 Years - 65 Years
Study Type
INTERVENTIONAL
Enrollment
110
Start Date
2026-04-01
Completion Date
2027-01-01
Last Updated
2026-04-08
Healthy Volunteers
No
Conditions
Interventions
Lidocaine
Continuous intravenous lidocaine infusion will be administered during lumbar fusion surgery at a rate of 2 mg/kg/h following induction of general anesthesia. The infusion will be maintained throughout the surgical procedure and discontinued at the end of surgery.
Normal Saline
An intravenous infusion of normal saline (0.9% sodium chloride) will be administered at an equivalent rate during surgery following induction of general anesthesia. The infusion will be maintained throughout the surgical procedure and discontinued at the end of surgery.
Locations (1)
Ankara Bilkent City Hospital
Ankara, Turkey (Türkiye)