分析两种最小侵入性倾向性基体间融合的L4-5细分对齐变化
Michael R McDermott1, Michael Rogers1, Robert Prior2
1Duly Health and Care, Naperville, IL, USA.
Global spine journal
|July 20, 2024
概括
倾向于侧侧腰椎间体融合 (pLLIF) 对于在L4-5恢复腰椎位症比跨腰椎间体融合 (TLIF) 更有效. pLLIF在84%的案例中实现了15°主病的目标,而TLIF的这一比例为56%.
科学领域:
- 脊柱外科手术 脊柱外科手术
- 整形外科手术 整形外科手术
- 生物机械分析分析
背景情况:
- 恢复腰部主病 (LL) 在脊柱融合中至关重要.
- 传统上,LL的目标是10°的盆腔发病率 (PI).
- 最近的发现表明,无论PI如何,稳定的L4-S1对齐和至少15°L4-5主是关键.
研究的目的:
- 评估实现至少15° L4-5 lordosis的成功率.
- 为了比较两种基于倾向的技术:倾向侧侧体间融合 (pLLIF) 和变形膜体间融合 (TLIF).
主要方法:
- 100名接受单级L4-5体间融合的患者的回顾性队列研究.
- 50名患者接受了pLLIF,50名患者接受了TLIF.
- 术前和术后的放射图分析了细分变化和成功率,以实现L4-5主 >15°.
主要成果:
- 实现L4-5主>15°的整体成功率为70%.
- pLLIF在84%的案例中实现了目标,明显高于TLIF (56%,P=0.002).
- 与TLIF (0.4°,P<0.001) 相比,pLLIF (5.6°) 的平均L4-5主症增加显着更大.
结论:
- pLLIF在手术后的L4-5角>15°方面表现出很高的成功率.
- pLLIF在恢复L4-5细分主症方面比TLIF更有效.
- 对于这两种技术来说,在手术前的L4-5角度和L4-5角度的变化之间存在反向相关性.
相关概念视频
Structural Classification of Joints
Joints, also known as articulations, are classified based on their structural characteristics, i.e., based on whether the articulating surfaces of the adjacent bones are directly connected by fibrous connective tissue or cartilage, or whether the articulating surfaces contact each other within a fluid-filled joint cavity. These differences serve to divide the joints of the body into three structural classifications.
A fibrous joint is where the adjacent bones are united by fibrous connective...
A fibrous joint is where the adjacent bones are united by fibrous connective...
Bending of Members Made of Several Materials
In analyzing a structural member composed of two different materials with identical cross-sectional areas, it is crucial to understand how their distinct elastic properties affect the member's response under load. The analysis involves assessing stress and strain distributions using the transformed section concept, which accounts for variations in material properties.
Hooke's Law determines stress in each material, stating that stress is proportional to strain but varies due to each material's...
Hooke's Law determines stress in each material, stating that stress is proportional to strain but varies due to each material's...


