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Minimally Invasive Biportal Endoscopic Spinal Cord Stimulation : Technical Report and Case Series
1Department of Neurosurgery, Kyungpook National University Hospital, School of Medicine, Kyungpook National University, Daegu, Korea.
Journal of Korean Neurosurgical Society
|October 1, 2025
Summary
This study shows that unilateral biportal endoscopy (UBE) spinal cord stimulation (SCS) is a safe and effective minimally invasive technique for chronic pain. The UBE-SCS approach demonstrated a high success rate with acceptable complications in patients.
Area of Science:
- Neurosurgery
- Pain Management
- Minimally Invasive Procedures
Background:
- Surgical paddle leads for spinal cord stimulation (SCS) are effective for chronic pain but are invasive.
- Percutaneous leads have lower impedance and reduced battery usage but can cause complications.
- A minimally invasive alternative to conventional SCS lead insertion is needed.
Purpose of the Study:
- To introduce and evaluate a novel unilateral biportal endoscopy (UBE) approach for spinal cord stimulation (SCS) lead placement.
- To assess the safety, efficacy, and complication rates of the UBE-SCS technique.
Main Methods:
- Retrospective review of 14 patients undergoing SCS via the UBE technique.
- Intraoperative images and endoscopic videos were used to illustrate the procedure.
- Clinical, surgical, and radiological data were collected and analyzed.
Main Results:
- The mean operating time for the UBE procedure was 76.3 minutes.
- 92.8% of patients (13/14) experienced pain improvement and proceeded to permanent implantation.
- The complication rate was 21.4%, including thoracic radiculopathy and asymmetrical lead positioning; no lead migration occurred.
Conclusions:
- The UBE-SCS technique is a safe and effective minimally invasive alternative to conventional SCS lead insertion.
- High success rates and acceptable complication profiles were observed.
- Further large-scale, long-term comparative studies are warranted to validate these findings.
