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固定段移动性在后动态稳定中的价值:单中心回顾性研究
Yulu Sun1, Jianbin Guan2, Hao Chen2
1Yangling Demonstration Zone Hospital, Yangling, 712100, China.
BMC musculoskeletal disorders
|February 1, 2025
概括
与Isobar TTL系统相比,Isobar EVO动态稳定系统更好地保护了手术段,并减缓了相邻段的退化. 这突显了后方动态稳定装置增加移动性的好处.
科学领域:
- 脊柱外科手术 脊柱外科手术
- 骨科生物力学 骨科生物力学
- 医疗器械技术 医疗器械技术
背景情况:
- 后部动态稳定在脊柱外科手术中用于管理退行性疾病.
- 目前存在两代Isobar系统,即Isobar TTL (移动性较低) 和Isobar EVO (移动性更高).
- 了解这些系统对脊柱段的长期影响对于优化患者的治疗结果至关重要.
研究的目的:
- 用MRI比较Isobar TTL和Isobar EVO动态固定系统对手术和相邻的椎间盘段的影响.
- 为了评估两代Isobar之间的临床和放射性结果.
主要方法:
- 在 fenestrated 解压后,对29名以 Isobar EVO 治疗的患者和34名以 Isobar TTL 治疗的患者进行了追溯分析.
- 评估的放射性参数包括磁盘高度指数 (DHI),运动范围 (ROM),侧神经前突出值 (LNPV) 和Pfirrmann磁盘退化分级.
- 临床结果 (VAS,ODI) 也在各组之间进行了比较.
主要成果:
- 在48个月后,Isobar EVO和Isobar TTL组之间没有发现VAS或ODI得分的显著差异.
- 与伊索巴TTL组相比,伊索巴EVO组显示显著更高的外科细分DHI和ROM.
- 与伊索巴尔TTL组相比,伊索巴尔EVO组表现出明显较低的上相邻段ROM,但较大的LNPV.
- 用Isobar TTL治疗的手术片段显示出更大的磁盘变性 (Pfirrmann分级),而不是那些用Isobar EVO治疗的片段.
结论:
- 与第一代Isobar TTL.相比,第二代Isobar EVO系统为手术脊柱段提供了更好的保护.
- 伊索巴EVO在减缓邻近脊柱段退化的进展方面表现出有益的作用.
- 后部动态稳定装置的可移动性增加,如Isobar EVO所示,为脊柱健康提供了优势.
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