软,半刚和刚性关关节的固定效应的比较
Maxi Schulz1, Martin Heilemann1, Toni Wendler1
1Leipzig University, Leipzig, Germany.
概括
半刚性宫支架有效地限制了宫脊椎的运动,特别是曲/延伸,在软硬支架之间提供了一个中间道路,以改善患者的治疗结果.
科学领域:
- 骨科生物力学 骨科生物力学
- 脊椎损伤管理的管理
- 医疗器械的有效性 医疗器械的有效性
背景情况:
- 宫关节骨架对于通过限制运动和提供稳定性来管理宫脊椎损伤至关重要.
- 研究广泛涵盖软和刚,但关于PDC项圈等半刚性选项的数据有限.
- 了解不同宫关节骨架的比较固定作用对于临床决策至关重要.
研究的目的:
- 为了比较半刚性宫整形的固定效应与软硬的对应物.
- 评估不同椎形对健康个体椎脊柱运动范围 (ROM) 的影响.
- 提供关于半刚性骨架的数据,以告知临床实践.
主要方法:
- 一项涉及20名健康参与者的前性研究.
- 3D运动分析用于测量部运动范围 (ROM) 在曲/延伸,横向曲和轴旋转方面.
- 在四个条件下对ROM进行比较:没有形,软形,半刚性形和刚性形.
主要成果:
- 与未受限制状态 (p < 0.01) 相比,所有测试的形器件显著限制了椎脊椎ROM.
- 刚性骨架在所有运动中表现出最大的限制,显著减少 flexion/extension (27.5°对比107.3°不受限制,p < 0.01).
- 与软领相比,半刚性形表现出明显更大的曲/延伸限制 (39.1°与48.1°相比,p < 0.01),旋转或横向曲没有显著差异.
结论:
- 半刚性宫关节假肢提供了有效的固定,特别是曲/延伸.
- 这些支架在软型和刚型之间提供了中间水平的运动限制.
- 半刚性骨架可以平衡固定要求和患者舒适性,从而降低并发症风险.
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