骨质水泥增强与传统的脚螺丝用于骨质疏松性腰椎脊髓解剖:一个元分析
Guoyi Qin1,2, Lihui Hu1,2, Zhaoming Liang1,2
1Guangxi University of Chinese Medicine, Nanning, Guangxi, China.
Frontiers in surgery
|January 21, 2026
概括
用骨水泥增强的脚螺丝通过增强稳定性和融合率来改善骨质疏松性腰椎脊髓溶解的结果. 这种技术提供了显著的好处,尽管操作时间较长,显示出良好的临床价值.
科学领域:
- 脊柱外科手术 脊柱外科手术
- 整形外科 整形外科 整形外科
- 生物材料是一种生物材料.
背景情况:
- 骨质疏松性腰椎脊柱脊髓疏松症由于骨密度低,对传统的脚螺丝固定提出了挑战,导致螺丝松动等并发症.
- 骨水泥增强用于提高螺丝稳定性,但其在这种特定条件下的有效性需要系统评估.
研究的目的:
- 系统地评估骨质水泥增强脚螺丝与常规脚螺丝相比,用于治疗骨质疏松性腰椎脊髓溶解症的临床疗效和安全性.
主要方法:
- 在主要数据库中进行了系统的文献搜索,截至2025年7月.
- 包括的研究是回顾性队列研究或随机对照试验,数据独立提取和偏差评估.
- 使用RevMan 5.4软件进行了元分析,以比较两个组之间的结果.
主要成果:
- 用骨水泥增强的螺丝在减少疼痛 (VAS分数),改善功能 (ODI分数),增加脊椎间空间高度,较低的螺丝松动率和更高的融合率方面显示出明显更好的结果.
- 增强组经历了更长的手术时间,但手术期间流血,住院或整体并发症率没有显著差异.
- 九项涉及850名患者的研究被纳入了元分析.
结论:
- 骨质水泥增强的脚螺丝显著提高疼痛缓解,功能状态,融合率,和螺丝稳定性在患有骨质疏松性腰椎脊髓溶解症的患者.
- 虽然操作时间增加了,但该技术不会增加出血或并发症的风险,这表明它具有很强的临床适用性.
相关概念视频
01:24Hydration of Cement
843
Hydration of cement is a chemical reaction between cement particles and water. This process occurs primarily through two mechanisms: through-solution and topochemical. In the through-solution process, anhydrous compounds dissolve into their constituents, hydrates form in the solution, and then precipitate from the supersaturated solution. The topochemical process involves solid-state reactions at the cement particle surface. The through-solution process dominates the topochemical process at the...
843
01:17Soundness of Cement
543
The soundness of cement refers to the ability of cement paste to retain its volume after setting. Unsound cement can lead to expansion and structural damage due to the presence of free lime, magnesia, and calcium sulfate. Free lime hydrates very slowly, expanding and causing unsoundness, which is difficult to detect because it intercrystallizes with other compounds. Magnesia also reacts with water, forming crystals that can disrupt the cement's structure. Calcium sulfate can create...
543
01:16Self-Locking Screw
2.4K
A square-threaded screw jack is a mechanical device widely used for lifting heavy loads or applying considerable force. One of the key features that can make a screw jack more effective and reliable is its self-locking capability.
A square-threaded screw jack carrying a load is considered self-locking if the screw retains its position even after the moment applied to it is removed.
A square-threaded screw jack carrying a load is considered self-locking if the screw retains its position even after the moment applied to it is removed.
2.4K
01:21Screw: Problem Solving
688
In mechanical engineering, the interaction between a threaded screw shaft and a plate gear involves analyzing the resisting torque on the plate gear that can be overpowered when a specific torsional moment is applied to the shaft. To better comprehend this concept, consider a generic situation with a threaded screw shaft with a given mean radius and lead and a plate gear with a specified mean radius. The coefficient of static friction between the screw and gear is also provided.
To evaluate the...
To evaluate the...
688
01:21Portland Cement
632
Portland cement is the essential binding ingredient in concrete, made from finely ground materials including lime, iron, silica, and alumina. Lime is derived primarily from limestone, marble, marl, seashells, and clays, which also supply iron and alumina, while silica is sourced from sand, chalk, and bauxite. Contemporary manufacturing of Portland cement is a significant source of carbon dioxide emissions, prompting research into reducing its content in concrete through alternative...
632
01:15Fineness of Cement
476
The fineness of cement directly influences the rate of hydration, as the hydration begins at the surface of the cement particles. In addition to hydration, the fineness of cement is vital for various properties of concrete including workability, gypsum requirement, and long-term behavior. The fineness of cement is represented in terms of the specific surface of cement which is typically measured in square meters per kilogram, with several methods available for this determination.
Direct...
Direct...
476