What is biportal endoscopic spine surgery (UBE)?
Biportal endoscopic spine surgery, also known as unilateral biportal endoscopy (UBE), is a minimally invasive technique that uses two small skin incisions to access the spine. One incision accommodates the endoscope for visualization, while the second is used for surgical instruments. This separation of viewing and working channels distinguishes UBE from uniportal endoscopic methods.
The technique was developed to combine the advantages of endoscopic surgery—small incisions, magnified visualization, and minimal soft tissue disruption—with the freedom of instrument movement found in conventional microsurgery.
UBE can be applied to a range of spinal conditions:
- Lumbar disc herniation and spinal stenosis
- Cervical foraminal disc herniation
- Selected cases of spinal fusion (UBE-TLIF)
- Thoracic decompression for select pathologies
Because UBE preserves paraspinal muscles and reduces blood loss compared with traditional open surgery, many patients experience shorter hospital stays and earlier mobilization. However, not all spinal pathology is suitable for endoscopic treatment, and patient selection remains essential (Heo DH, Park DY, Hong HJ, et al. World Neurosurgery. 2022;168:411–420).
The decision to proceed with UBE should be made after thorough evaluation by an experienced spine surgeon familiar with both endoscopic and conventional techniques.
- What is a lumbar herniated disc, and what causes it?
A lumbar herniated disc occurs when the inner disc material protrudes through its outer ring and may compress nearby spinal nerves. The primary driver is age-related disc degeneration, accelerated by repetitive mechanical stress. The L4-L5 and L5-S1 segments are most commonly affected.
- Can a herniated disc heal without surgery?
Many lumbar herniated discs improve with conservative care — anti-inflammatory medication, physical therapy, and selective injections. However, progressive weakness, new sensory loss, or bowel/bladder dysfunction warrants prompt surgical evaluation.
- What is the difference between disc pain and muscle or ligament pain?
Muscle and ligament pain typically follows a clear mechanical event, stays localized to the back, and resolves within days to a few weeks. Disc-related pain more often develops gradually, radiates into the leg, and persists for weeks to months despite rest.
This page provides general information for educational purposes and does not substitute for individual clinical judgment. For symptoms or conditions that concern you, please consult a qualified spine specialist.