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Updated: May 10, 2026

Spinal Sonography for Ultrasound-Guided Lumbar Neuraxial Anesthesia
Published on: January 31, 2025
The ultrasound-guided retrolaminar block
Christopher Voscopoulos1, Dhamodaran Palaniappan, Jose Zeballos
1Department of Anesthesiology, Perioperative and Pain Medicine, Brigham and Women’s Hospital, Harvard Medical School, 75 Francis St, Boston, MA, USA. cjvoscopoulos@yahoo.com
Ultrasound-guided retrolaminar blocks offer a feasible and safe technique for managing pain from multiple rib fractures. This novel approach reduced pain scores significantly without complications in initial patient cases.
Area of Science:
- Regional anesthesia
- Pain management
- Ultrasound-guided procedures
Background:
- Paravertebral blocks are increasingly used for analgesia, but carry risks like pleural puncture.
- Traditional paravertebral blocks can be technically challenging, even with ultrasound guidance.
Observation:
- This study introduces ultrasound-guided retrolaminar blocks for rib fracture pain management.
- The technique involves real-time ultrasound visualization of the needle contacting the lamina for precise local anesthetic delivery.
- Continuous analgesia was achieved via catheter insertion after the initial block.
Findings:
- Three patients with multiple rib fractures received ultrasound-guided retrolaminar blocks.
- Verbal rating scale pain scores decreased from 10/10 to below 5/10.
- No technical difficulties, complications, or adverse effects were observed during the procedure.
Implications:
- Ultrasound-guided retrolaminar blocks demonstrate feasibility for effective analgesia in patients with multiple rib fractures.
- This technique may offer a safer alternative to traditional paravertebral blocks, reducing pulmonary complications.
- Further research is warranted to explore the broader application of this technique.
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