双流动性与固定轴承构造在修订中 整体关节整形术:对比结果的系统审查
Joshua P Rainey1, Logan E Radtke2, Jeremy M Gililland2
1Department of Orthopaedic Surgery, Mayo Clinic, Rochester, Minnesota.
The Journal of arthroplasty
|January 29, 2026
概括
双流动性 (DM) 结构与固定轴承 (FB) 设计相比,在修复全关节整形术 (THA) 中显著降低了脱位风险. 这一系统性审查证实DM作为一个更安全的选择,以改善复杂的部修复手术的稳定性.
科学领域:
- 整形外科手术 整形外科手术
- 生物材料工程 生物材料工程
- 临床研究 临床研究
背景情况:
- 双流动性 (DM) 构造增强了关节整形术 (THA) 的稳定性,由于增加了不稳定性风险,在修改THA中尤其重要.
- 评估脱位率对于优化修复关节整形术中的植入物选择至关重要.
研究的目的:
- 系统地审查和比较DM和固定轴承 (FB) 结构之间的位移率,特别是在修订THA.
- 评估DM结构在缓解部修复手术后不稳定性的有效性.
主要方法:
- 在PubMed和Embase数据库中的系统文献搜索,截至2024年12月31日.
- 纳入标准侧重于在修订THA中比较DM与FB构造的脱位率的研究.
- 排除<2年随访,每组<30名患者或非英语手稿的研究;证据水平评估和修改科尔曼方法 (MCM) 评分.
主要成果:
- 包括22项研究,主要是III级证据,平均MCM得分为55.1.1.
- 在21项研究中,DM结构有利于在修订THA中较低的位移率.
- 在15项研究中,统计学意义上的发现 (P<0.05) 显示DM的位移率为4.4%,FB结构为6.9%.
结论:
- 现有的证据表明,DM构造与修订THA中脱位风险降低有关.
- DM植入物代表了增强稳定性和减少修复关节整形手术过程中的并发症的宝贵选择.
相关概念视频
Review and Preview
8.4K
In statistics, several tools are used to interpret the data. Measures of central tendency represent the characteristics of the data, such as mean, median, and mode. Additionally, measures of variance like standard deviation and range are used to find the spread of data from the mean. Relative standing measures the distance between data locations. Commonly used measures of relative standings are percentile, z score, and quartiles.
Percentiles are a type of fractile that partition data into...
Percentiles are a type of fractile that partition data into...
8.4K
Review and Preview
11.2K
Data are individual items of information obtained from a population or sample. Data may be classified as qualitative (categorical), quantitative continuous, or quantitative discrete. Because it is not practical to measure the entire population in a study, researchers use samples to represent the population. A random sample is a representative group from the population chosen by using a method that gives each individual in the population an equal chance of being included in the sample. Random...
11.2K
Collar Bearings
1.6K
Collar bearings are essential in various machines designed to support axial loads on rotating shafts. Depending on the specific application and requirements, they can be found with single or multiple collars.
1.6K
Bearing Stress
2.1K
Bearing stress refers to the contact pressure between two separate bodies. To visualize this, imagine a bolt thrust through a plate. The bolt applies a force to the plate, which exerts an equal but opposite force back onto the bolt. This force isn't just a singular entity but a compilation of numerous smaller forces distributed across the contact surface between the bolt and the plate.
Due to the intricacy of these microforces, an average value, known as bearing stress, is often used by...
Due to the intricacy of these microforces, an average value, known as bearing stress, is often used by...
2.1K
Azimuths and Bearings
642
Azimuths and bearings are essential concepts in surveying, providing methods to express the direction of a line relative to a meridian. Azimuths refer to the clockwise angle measured from the north end of a reference meridian to the given line, ranging from zero to 360 degrees. This method gives a comprehensive directional reference within a full 360-degree circle, making it a straightforward way to communicate direction in various fields, including navigation, cartography, and...
642
Predicting Reaction Outcomes
10.8K
Kinetics describes the rate and path by which a reaction occurs. In contrast, thermodynamics deals with state functions and describes the properties, behavior, and components of a system. It is not concerned with the path taken by the process and cannot address the rate at which a reaction occurs. Although it does provide information about what can happen during a reaction process, it does not describe the detailed steps of what appears on an atomic or a molecular level. On the other hand,...
10.8K


