ArticleFrontiers in surgery2025
Efficacy analysis of ligamentum flavum preservation technique under unilateral biportal endoscopic in the treatment of lumbar disc herniation.
Article in Frontiers in surgery, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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1 citing paper in PubMed.
- Ligamentum flavum preservation via unilateral biportal endoscopy in lumbar discectomy: a "Door-Opening" technique and its clinical outcomes.European spine journal : official publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society · 2026Article
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4 authors.
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Abstract
Background: Unilateral biportal endoscopic (UBE) surgery provides benefits like reduced invasiveness and swift recovery after surgery for individuals with lumbar disc herniation. A key factor in minimizing postoperative complications is the reduction of iatrogenic injury. This study retrospectively evaluates the effectiveness of the ligamentum flavum preservation technique during UBE for lumbar disc herniation and examines its technical application and clinical significance. Methods: From November 2023 to April 2024, 68 patients with lumbar disc herniation underwent unilateral biportal endoscopic (UBE) surgery via a single-side approach. Patients were allocated to either the conventional UBE group (Group T, Results: Postoperative VAS and ODI scores demonstrated significant improvement in both groups; however, no statistically significant differences were observed between them at 1 day, 1 month, 3 months, 6 months, or 12 months following surgery. At 6 months postoperatively, the incidence of epidural fibrosis was significantly lower in the ligamentum flavum preservation group (Group P) compared to the conventional UBE group (Group T). In Group T, one case of cerebrospinal fluid leakage and two cases of nerve root injury were reported; all complications were transient and resolved within three months. Overall, the complication rates during follow-up showed no significant intergroup differences ( Conclusions: The ligamentum flavum preservation technique applied during unilateral biportal endoscopic surgery enables effective removal of herniated disc material in cases of lumbar disc herniation, thereby relieving lower back pain and sciatica, enhancing lumbar function, reduce postoperative dural adhesions, and minimizing the risk of dural injury, cerebrospinal fluid leakage, epidural hematoma associated with ligamentum flavum resection.
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