Ultrasound-guided retrolaminar paravertebral block.
J L Zeballos, C Voscopoulos, M Kapottos...
https://pubmed.ncbi.nlm.nih.gov/23662765Actively Recruiting
Led by Universidad de los Andes, Chile · Updated on 2026-04-13
50
Participants Needed
1
Research Sites
N/A
Total Duration
Researchers are evaluating the effectiveness of ultrasound-guided retrolaminar nerve blocks added to standard multimodal pain management for patients undergoing lumbar spine surgery. This randomized controlled trial aims to reduce postoperative opioid use and improve pain control after surgery. The study includes adult patients scheduled for elective lumbar spine surgery with instrumentation and assesses various outcomes related to pain and recovery. Participants are randomly assigned to one of two groups: one group receives bilateral ultrasound-guided retrolaminar blocks with Bupivacaine and Epinephrine before surgery along with standard multimodal analgesia, while the other group receives only the standard multimodal analgesia without the regional block. Standard anesthesia medications include Propofol, Remifentanil, and Rocuronium. The retrolaminar block is performed by an experienced anesthesiologist using ultrasound guidance. During the study, researchers will monitor total opioid use in the first 24 hours after surgery, pain intensity at multiple time points up to 72 hours, time to first rescue analgesia, sensory block duration, and incidence of nausea or vomiting. Other assessments include hospital length of stay, patient satisfaction, sleep quality, time to ambulation, and chronic pain development up to 6 months. Participation involves use of a patient-controlled analgesia device and follow-up visits to evaluate recovery and long-term pain outcomes.
CONDITIONS
Retrolaminar Analgesia for LuMbar Surgery
You may qualify if you...
You will not qualify if you...
Complete this quick 3-step screening to check your eligibility
Duration - 2 to 4 weeks
Participants are screened for eligibility to participate in the trial.
1 visit (in-person)
Duration - Surgery day plus up to 72 hours postoperatively
Participants undergo lumbar spine surgery with standardized general anesthesia and multimodal analgesia. The experimental group additionally receives bilateral ultrasound-guided retrolaminar blocks before surgery to manage postoperative pain.
1 surgery visit and hospital stay with assessments up to 72 hours
Duration - Up to 6 months after surgery
Participants are monitored for recovery outcomes including pain levels, time to ambulation, adverse events, and development of chronic pain.
Follow-up visits at 3 and 6 months
Total: 1 location
1
Clínica Universidad de los Andes, Chile
Santiago, Santiago Metropolitan, Chile, 171571
Actively Recruiting
R
Roberto Coloma, MD
N
Nicolás Valls, MD, PhD
Study Type
INTERVENTIONAL
Masking
SINGLE
Allocation
RANDOMIZED
Model
PARALLEL
Primary Purpose
TREATMENT
Number of Arms
2
Have more questions? Get in touch with our team for quick support
Explore thousands of other clinical trials that might be a better match.
Sign up to get personalized trial recommendations delivered to your inbox.
Already have an account? Log in here
J L Zeballos, C Voscopoulos, M Kapottos...
https://pubmed.ncbi.nlm.nih.gov/23662765Alberto E Ardon, Arun Prasad, Robert Lewis McClain...
https://pubmed.ncbi.nlm.nih.gov/31047129Ravinder Kumar Batra, Krithika Krishnan, Anil Agarwal
https://pubmed.ncbi.nlm.nih.gov/21804697Hans J Gerbershagen, Sanjay Aduckathil, Albert J M van Wijck...
https://pubmed.ncbi.nlm.nih.gov/23392233