Lei Ke, Jie Lan, Zepei Zhang, Shengrui Chu, Jun Miao, Xiaohui Li
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Comparative biomechanical analysis of Endo-LOVE and C-endo LFD techniques for bi-segmental cervical spondylotic radiculopathy in normal and osteoporotic patients: a finite element study.
Objective: To compare biomechanical effects of full-endoscopic laminectomy (Endo-LOVE) versus continuous-endoscopic technique (C-Endo LFD) in normal and osteoporotic cervical spines. Methods: Four C2-C7 finite element models simulated daily activities: normal/osteoporotic bone density treated with Endo-LOVE or C-Endo LFD. Range of motion (ROM), endplate/facet joint stress, and disc pressure (IDP) were quantified. Results: Both techniques showed comparable biomechanical effects. Osteoporotic models demonstrated greater ROM increases (18.3% vs normal), elevated facet joint stress (24.6% increase), and higher endplate stress (22.1% increase). IDP remained unchanged between groups. Conclusion: C-Endo LFD does not increase cervical instability risk. However, in osteoporosis it elevates surgical segment ROM and joint/endplate stresses, potentially affecting postoperative stability.
期刊介绍：
The primary aims of Computer Methods in Biomechanics and Biomedical Engineering are to provide a means of communicating the advances being made in the areas of biomechanics and biomedical engineering and to stimulate interest in the continually emerging computer based technologies which are being applied in these multidisciplinary subjects. Computer Methods in Biomechanics and Biomedical Engineering will also provide a focus for the importance of integrating the disciplines of engineering with medical technology and clinical expertise. Such integration will have a major impact on health care in the future.
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