Peng Bao-Gan, Gao Chun-Hua
Department of Spinal Surgery, The Third Medical Center, People's Liberation Army General Hospital, Beijing 100039, China.
World J Clin Cases. 2020 Nov 26;8(22):5496-5500. doi: 10.12998/wjcc.v8.i22.5496.
Dynesys, a pedicle-based dynamic stabilization system, was introduced to overcome some undesirable complications of fusion procedures. Nevertheless, the theoretical advantages of Dynesys over fusion have not been clearly confirmed. The purpose of this editorial was to compare clinical and radiological outcomes of patients who underwent Dynesys system with those who underwent posterior lumbar fusion according to the existing literature and to see if the application of the Dynesys system is superior to the traditional lumbar fusion surgery. According to published clinical reports, the short-term effects of the Dynesys dynamic stabilization system are similar to that of traditional lumbar fusion surgery. Three comparative studies of Dynesys dynamic stabilization and fusion surgery with medium-term follow-up are encouraging. However, the results from four single-treatment-arm and small-sample studies of case series with long-term follow-up were not encouraging. In the present circumstances, it is not possible to conclude that the Dynesys dynamic stabilization system is superior to fusion surgery for lumbar degenerative diseases.
Dynesys是一种基于椎弓根的动态稳定系统，其被引入以克服融合手术的一些不良并发症。然而，Dynesys相对于融合术的理论优势尚未得到明确证实。这篇社论的目的是根据现有文献比较接受Dynesys系统治疗的患者与接受后路腰椎融合术的患者的临床和影像学结果，以探讨Dynesys系统的应用是否优于传统的腰椎融合手术。根据已发表的临床报告，Dynesys动态稳定系统的短期效果与传统腰椎融合手术相似。三项关于Dynesys动态稳定与融合手术的中期随访比较研究结果令人鼓舞。然而，四项长期随访的单治疗组小样本病例系列研究结果并不乐观。在目前情况下，尚不能得出Dynesys动态稳定系统在治疗腰椎退行性疾病方面优于融合手术的结论。
