ArticleNeurospine2023
Risk Factors of Restenosis After Full Endoscopic Foraminotomy for Lumbar Foraminal Stenosis: Case-Control Study.
Article in Neurospine, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed, 8 citations in OpenAlex.
- Transforaminal Full-Endoscopic Lumbar Foraminotomy Under Local Anesthesia for Adjacent Segment Foraminal Stenosis After Lumbar Fusion: Clinical and Radiological Outcomes.International journal of spine surgery · 2026Article
- Impact of Extended Endoscopic Lumbar Foraminotomy on Postoperative Surgical Outcomes: Is Greater Decompression Beneficial?International journal of spine surgery · 2025Article
- Full-Endoscopic Spine Surgery : Its Roles and Limitations.Journal of Korean Neurosurgical Society · 2025Article
- Disc bulging predicts poor outcomes of decompression surgery for lumbar spinal canal stenosis.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 · 2025Article
- Postoperative Radiologic Changes in Early Recurrent Lumbar Foraminal Stenosis After Transforaminal Endoscopic Lumbar Foraminotomy for Lower Lumbar Segments.Diagnostics (Basel, Switzerland) · 2025Article
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Authors and funding
5 authors at 1 institution in 1 country.
Funding
Abstract
objectiveTo investigate risk factors associated with postoperative restenosis after full endoscopic lumbar foraminotomy (FELF) in patients with lumbar foraminal stenosis (LFS).
methodsA single-center, retrospective case-control study was conducted on patients diagnosed with foraminal stenosis who underwent FELF between August 2019 and April 2022. The study included 56 patients, comprising 18 cases and 38 controls. Clinical data, radiologic assessments, and surgical types were compared between the groups. The cutoff values of radiologic parameters that differentiate the 2 groups were investigated.
resultsNo significant difference in age, sex distribution, or presence of adjacent segment disease or grade I spondylolisthesis was observed between the groups. Cases had a higher degree of disc wedging angle (DWA) (3.0° ± 1.1° vs. 0.5° ± 1.4°, p < 0.001), larger coronal Cobb angle (CCA) (8.8° ± 5.1° vs. 4.7° ± 2.5°, p = 0.004), and smaller segmental lumbar lordosis (SLL) than controls (11.0 ± 7.4 vs. 18.0 ± 5.4, p = 0.001). Optimal cutoff values for DWA, CCA, and SLL were estimated as 1.8°, 7.9°, and 17.1°, respectively. A significant difference in surgical types was observed between cases and controls (p = 0.004), with the case group having a higher distribution of patients undergoing discectomy in addition to TELF.
conclusionThe study identified potential risk factors for restenosis after FELF in patients with LFS, including higher DWA, larger CCA, smaller SLL angle. We believe that discectomy should be perform with caution during FELF, as it can lead to subsequent restenosis.
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