ArticleJournal of orthopaedic surgery and research2025
Percutaneous endoscopic unilateral laminotomy and bilateral decompression improves gait quality and stance balance in patients with lumbar spinal stenosis: a retrospective cohort study.
Article in Journal of orthopaedic surgery and research, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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4 citing papers in PubMed.
- Endoscopic-Assisted Peri-Root Anesthesia Provides Superior Intraoperative Analgesia Over Epidural Anesthesia in L5-S1 Interlaminar Endoscopic Discectomy.Orthopaedic surgery · 2026Article
- Clinical and imaging impact of diabetes mellitus on elderly patients with lumbar spinal stenosis: a retrospective propensity score-matched study with ≥5-year follow-up.Frontiers in medicine · 2026Article
- Unilateral biportal endoscopic decompression for two-level adjacent lumbar spinal stenosis through a single sliding approach: technical report and early follow-up.Journal of orthopaedic surgery and research · 2025Article
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Abstract
backgroundPercutaneous endoscopic unilateral laminotomy and bilateral decompression (Endo-ULBD) has been applied to patients with lumbar spinal canal stenosis (LSS). However, it remains unclear whether gait and postural balance in LSS patients fully recover to normal levels following ULBD surgery.
methodsThis retrospective study included 60 symptomatic LSS patients (LSS group) and 60 healthy age-matched adults (control group). The LSS group was assessed at four time points: preoperatively, 3, 6, and 12 months postoperatively. Evaluations included the Visual Analog Scale (VAS) and Oswestry Disability Index (ODI) scores, as well as assessments of gait and balance. The control group underwent gait and balance evaluations on the day of recruitment.
resultsThe LSS group showed significant improvement in VAS and ODI at 3, 6, and 12 months after ULBD surgery (p < 0.05). Cadence improved at 3 months postoperatively, while walking speed, stride length, and double support duration improved at 6 months postoperatively. At 12 months postoperatively, there was no significant difference in gait spatiotemporal parameters between the LSS group and the healthy control group (p > 0.05). Preoperatively, the LSS group exhibited differences in COP path length and 90% COP postural sway area compared to the control group. Postoperatively, there was no significant improvement in COP path length at any time point. However, there were differences in 90% COP postural sway area at 12 months after surgery compared to the preoperative and control groups.
conclusionLSS patients showed significant improvement in gait after ULBD surgery, with gait parameters comparable to those of healthy controls at 12 months. While balance stability improved at 12 months, it remained inferior to that of age-matched healthy controls, indicating that postoperative balance training is necessary for full recovery.
trial registrationThis study was a single-center retrospective cohort study, approved by the Ethics Committee of the First Affiliated Hospital of Anhui Medical University (Ethical Application Reference: PJ2023-07-13 Anhui, China) and was registered at the Chinese Clinical Trial Registry at 20/06/2023 (ChiCTR2300072649). The research was conducted in accordance with the Declaration of Helsinki and clinical practice guidelines.
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