ArticleBMC musculoskeletal disorders2025
Biomechanical effects of transforaminal endoscopic lumbar discectomy combined with spinal dynamic stabilization system use on adjacent segments: a finite element analysis.
Article in BMC musculoskeletal disorders, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- Biomechanical advances in oblique lateral lumbar interbody fusion using different interbody cages.Journal of orthopaedic surgery and research · 2026Review
- Unilateral Posterior Stabilization in Adult Spinal Pathologies: Comparative Clinical, Radiological, and Complication Outcomes of Dynamic Versus Rigid Systems.Medicina (Kaunas, Lithuania) · 2025Article
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Authors and funding
8 authors.
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Abstract
objectiveTo assess the biomechanical effect of transforaminal endoscopic lumbar discectomy combined with spinal dynamic stabilization system (TELD-SDSS) on the adjacent segments using three-dimensional finite element (3D-FE) analysis, providing reference data for the optimization of surgical approaches for giant lumbar disc herniation (GLDH).
methodsA 3D-FE model of L3-S1 was constructed based on imaging data and validated against well-established in-vitro biomechanical data. Surgical FE models representing TELD, TELD-SDSS, and posterior lumbar interbody fusion (PLIF) were reconstructed. The risk of adjacent segment degeneration (ASD) was evaluated by comparing adjacent-segment biomechanical parameters under various loading directions using hybrid testing methods.
resultsCompared with the FE model, the PLIF model showed the largest increases in adjacent-segment range of motion, intradiscal pressure, endplate Von Mises stress, and annulus fibrosus shear stress under flexion, extension, lateral bending, and rotational loading. The TELD-SDSS model showed lesser increases, and results for the TELD models did not differ significantly.
conclusionsThe study findings suggest that TELD with limited foraminoplasty and large annuloplasty has no significant impact on the occurrence of ASD. Although TELD-SDSS application alters the biomechanical environment of the adjacent segments, it has potential biomechanical advantages over PLIF in the mitigation of ASD occurrence.
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