The London Spine Unit : innovative spinal clinic on Harley Street UK
Published article
CONCLUSIONS: Both uniportal and biportal LE-ULBD are safe and effective for treating patients with LSS. It is more feasible to decompress the spinal canal during biportal LE-ULBD than during uniportal LE-ULBD.
Lumbar Disc Replacement Expert. Best Spinal Surgeon UK
Abstract
Objective: This study aimed to compare the clinical outcomes of uniportal and biportal lumbar endoscopic unilateral laminotomy for bilateral decompression (LE-ULBD) in patients with lumbar spinal stenosis (LSS).
Methods: A retrospective pair-matched case-control analysis of 72 patients with LSS was performed. According to the surgical procedure used, the patients were classified into two groups: 1) uniportal and 2) biportal LE-ULBD groups. The clinical outcomes were assessed using the visual analog scale score, Oswestry Disability Index score, and Macnab criteria, and the results were compared between the two groups.
Results: All the included patients were successfully treated with either uniportal or biportal LE-ULBD. The surgical duration of the biportal LE-ULBD group was significantly shorter than that of the uniportal LE-ULBD group (P<0.001). The time to ambulation and the length of hospitalization in the uniportal and biportal LE-ULBD groups were not significantly different. The visual analog scale score and Oswestry Disability Index score improved significantly after surgery in both groups (P<0.001). Thirty-three (91.7%) patients in the uniportal group and thirty-four (94.4%) patients in the biportal LE-ULBD groups, were rated as having an excellent or good outcome based on the Macnab criteria. Additionally, intraoperative epineurium injury was observed in both the uniportal and biportal LE-ULBD groups.
Conclusions: Both uniportal and biportal LE-ULBD are safe and effective for treating patients with LSS. It is more feasible to decompress the spinal canal during biportal LE-ULBD than during uniportal LE-ULBD.
Keywords: Biportal; Endoscopic; Lumbar spinal stenosis; Unilateral biportal endoscopic; Unilateral laminotomy for bilateral decompression; Uniportal.
The London Spine Unit : innovative spinal clinic on Harley Street UK
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Clinical outcomes of uniportal and biportal lumbar endoscopic unilateral laminotomy for bilateral decompression in patients with lumbar spinal stenosis: A retrospective pair-matched case-control study