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Transforaminal Interbody Fusion Using the Unilateral Biportal Endoscopic Technique Compared With Transforaminal Lumbar Interbody Fusion for the Treatment of Lumbar Spine Diseases: Analysis of Clinical and Radiological Outcomes

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BACKGROUND: There has been a widespread application of minimally invasive spinal surgery techniques in the past few years. Unilateral biportal endoscopic has been successfully used in a variety of lumbar… Click to show full abstract

BACKGROUND: There has been a widespread application of minimally invasive spinal surgery techniques in the past few years. Unilateral biportal endoscopic has been successfully used in a variety of lumbar spine diseases, but there are few studies on lumbar fusion assisted by unilateral biportal endoscopy. OBJECTIVE: To compare the clinical and radiological outcomes of transforaminal interbody fusion using the unilateral biportal endoscopic technique (UBEIF) and transforaminal lumbar interbody fusion (TLIF) in patients with lumbar disease. METHODS: We studied 128 patients, 58 in the UBEIF group and 70 in the TLIF group. The Oswestry disability index, creatine kinase, visual analog score (VAS) for leg and back pain were used to assess clinical outcomes. Radiographic outcomes were assessed using the fusion rate, internal fixation loosening, and adjacent segment degeneration. RESULTS: Back and leg pain VAS scores in both groups were significantly lower 3, 6, and 12 months after surgery (P < .05). A significant reduction in Oswestry disability index in both groups was observed 6 and 12 months after surgery (P < .05). Compared with the TLIF group at 1 week after surgery, UBEIF patients' VAS score for back pain significantly improved (P < .05). There was no difference in fusion rate between the 2 groups (98.27% vs 98.57%). CONCLUSION: UBEIF and TLIF have similar clinical and radiographic outcomes in the treatment of single-segment lumbar disease with lumbar instability, including improved back and leg pain, improved disability, and high fusion rates. Furthermore, with UBEIF, less blood is lost, there is better relief of early back pain, and hospital stays are shorter.

Keywords: unilateral biportal; lumbar; fusion; interbody fusion; biportal endoscopic

Journal Title: Operative Neurosurgery
Year Published: 2023

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