ArticleEuropean spine journal : official publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society2025
Spinous process resistance to different materials and looping techniques for interspinous lumbar vertebropexy.
Article in 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, 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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Who cites it
1 citing paper in PubMed.
- PMMA-augmentation of the spinous process as an enhancing-protective measure against bone failure in "through the spinous process-vertebropexy".North American Spine Society journal · 2026Article
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Authors and funding
6 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
purposeSemi-rigid spinal stabilization has been explored as an alternative to spinal fusion, and early experience with spinal segment augementation ("vertebropexy") is promising. The main technical challenge is to maintain the integrity of the spinous processes during loading. This study aimed to compare different looping materials and techniques with respect to their performance in maintaining spinous process integrity.
methodsOne hundred and five thoracolumbar vertebrae were tested with various looping materials and techniques; the "Tunnel-only" double-loop technique was tested with a synthetic tape (FiberTape
resultsThe loads required to cause spinous process failure were lowest with the synthetic tape, followed by tendon and hybrid constructs by tendency (419 N vs. 487 N vs. 519 N) in the "Tunnel-only" double-loop technique. The comparison showed that the "Tunnel + cortical wrapping" technique required significantly higher forces to induce failure compared to other techniques, particularly the "Tunnel only" method (p < 0.001).
conclusionThe choice of the looping technique and material in lumbar interspinous vertebropexy significantly affects the resistance of the spinous process to load. Techniques that incorporate cortical bone and use tendinous material demonstrate superior resistance to higher forces, compared to methods that involve passing synthetic tape through a hole solely within trabecular bone. Additionally, the role of trabecular bone density in the spinous process is relatively minor when cortical bone is utilized as an abutment for the loop.
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