Biplanar radiography for in-vivo assessment of six degrees of freedom glenohumeral kinematics in shoulder osteoarthritis: an intra- and inter-observer reliability study

IF 2.4 3区 医学 Q3 BIOPHYSICS
Nazanin Daneshvarhashjin , Philippe Debeer , Michael S. Andersen , Filip Verhaegen , Lennart Scheys
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引用次数: 0

Abstract

Glenohumeral osteoarthritis affects glenohumeral kinematics, but these changes in functional arm positions during upright-standing remain poorly documented. We aimed to explore the use of a biplanar radiography-based methodology for semi-static three-dimensional reconstructions of six degrees of freedom glenohumeral kinematics and to document its reliability for patients with osteoarthritis. Using computed tomography images of ten patinets with glenohumeral osteoarthritis, three-dimensional models of the humerus and scapula were reconstructed, and their anatomic coordinate systems were defined. Subjects underwent low-dose biplanar radiography in eight functional arm positions: relaxed standing, 45 degrees of extension, 45, 90, and 120 degrees of flexion (45F, 90F, and 120F), and abduction (45AB, 90AB, and 120AB). Two raters, with one performing a repeated measurement, used custom-software to register the three-dimensional models to biplanar image pairs for each arm position and measure the corresponding semi-static glenohumeral kinematics. Based hereon, inter- and intra-observer reliability was assessed. Our results show that translational kinematics can be measured with moderate to excellent reliability across all arm poses except for 120F and 120AB. Caution should be taken when reconstructing the joint in 90F and 90AB, as the low ICC confidence intervals indicate the need for additional attention and further observer training. Furthermore, three-dimensional glenohumeral translations were more reliable than rotations with an average ICC of 0.77 compared to 0.62, respectively. Particularly, glenohumeral internal/external rotation proved to have poor reliability. The outcomes highlight the importance of reliability assessment in patients with osteoarthritis and support future research on integrating functional measurements into total shoulder arthroplasty preoperative planning.
双平面x线摄影对肩关节骨性关节炎患者六自由度肩关节运动学的体内评估:一项观察者内部和观察者之间的可靠性研究
肩关节骨关节炎影响肩关节的运动学,但直立站立时功能性手臂位置的变化仍然缺乏文献记载。我们的目的是探索使用基于双平面x线摄影的方法对六自由度盂肱关节运动学进行半静态三维重建,并记录其对骨关节炎患者的可靠性。利用10例盂肱骨关节炎患者的ct图像,重建肱骨和肩胛骨的三维模型,并定义其解剖坐标系。受试者在8种功能臂位下进行低剂量双平面x线摄影:放松站立、45度伸展、45度、90度和120度屈曲(45F、90F和120F)和外展(45AB、90AB和120AB)。两名评分员,其中一人进行重复测量,使用定制软件将三维模型注册到每个手臂位置的双平面图像对,并测量相应的半静态肩关节运动学。在此基础上,评估了观察者之间和观察者内部的信度。我们的研究结果表明,除了120F和120AB之外,平移运动学可以在所有手臂姿势中以中等到优异的可靠性进行测量。在90F和90AB条件下重建关节时应谨慎,因为较低的ICC置信区间表明需要额外的注意和进一步的观察者训练。此外,三维盂肱平移比旋转更可靠,平均ICC分别为0.77和0.62。特别是,盂肱内/外旋转被证明可靠性较差。结果强调了骨关节炎患者可靠性评估的重要性,并支持了将功能测量纳入全肩关节置换术术前计划的未来研究。
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来源期刊
Journal of biomechanics
Journal of biomechanics 生物-工程:生物医学
CiteScore
5.10
自引率
4.20%
发文量
345
审稿时长
1 months
期刊介绍: The Journal of Biomechanics publishes reports of original and substantial findings using the principles of mechanics to explore biological problems. Analytical, as well as experimental papers may be submitted, and the journal accepts original articles, surveys and perspective articles (usually by Editorial invitation only), book reviews and letters to the Editor. The criteria for acceptance of manuscripts include excellence, novelty, significance, clarity, conciseness and interest to the readership. Papers published in the journal may cover a wide range of topics in biomechanics, including, but not limited to: -Fundamental Topics - Biomechanics of the musculoskeletal, cardiovascular, and respiratory systems, mechanics of hard and soft tissues, biofluid mechanics, mechanics of prostheses and implant-tissue interfaces, mechanics of cells. -Cardiovascular and Respiratory Biomechanics - Mechanics of blood-flow, air-flow, mechanics of the soft tissues, flow-tissue or flow-prosthesis interactions. -Cell Biomechanics - Biomechanic analyses of cells, membranes and sub-cellular structures; the relationship of the mechanical environment to cell and tissue response. -Dental Biomechanics - Design and analysis of dental tissues and prostheses, mechanics of chewing. -Functional Tissue Engineering - The role of biomechanical factors in engineered tissue replacements and regenerative medicine. -Injury Biomechanics - Mechanics of impact and trauma, dynamics of man-machine interaction. -Molecular Biomechanics - Mechanical analyses of biomolecules. -Orthopedic Biomechanics - Mechanics of fracture and fracture fixation, mechanics of implants and implant fixation, mechanics of bones and joints, wear of natural and artificial joints. -Rehabilitation Biomechanics - Analyses of gait, mechanics of prosthetics and orthotics. -Sports Biomechanics - Mechanical analyses of sports performance.
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