Oonk Joris G M, Stougie Shirley D, Dobbe Johannes G G, Ritt Marco J P F, Coert J Henk, Streekstra Geert J
Amsterdam UMC location University of Amsterdam, Biomedical Engineering and Physics, Amsterdam, the Netherlands.
Amsterdam Movement Sciences, Musculoskeletal Health - Restoration and Development, Amsterdam, the Netherlands.
J Hand Surg Eur Vol. 2025 Mar;50(3):393-402. doi: 10.1177/17531934241274142. Epub 2024 Oct 11.
This study reviews the performance of the Aptis distal radioulnar joint arthroplasty by comparing multiple kinematic and geometric measurements in the operated and contralateral healthy forearm to elucidate whether these are altered after arthroplasty. Forearm geometry and motion were captured using 3-D and 4-D computed tomography in 12 patients with unilateral Aptis arthroplasties. After segmentation and registration, the axis of forearm rotation, translation of the radius along the ulna and range of wrist flexion-extension were measured, and the Dice coefficient and Hausdorff distance were calculated. The forearm rotation axis in the corrected arm deviated 2.3° from the healthy contralateral rotation axis, radial translation along the ulna decreased by 45% and wrist flexion-extension also decreased significantly. Multiple intra-individual geometric differences were observed. The Aptis distal radioulnar joint arthroplasty considerably alters forearm kinematics, which can have clinical implications. IV.
本研究通过比较手术侧和对侧健康前臂的多种运动学和几何学测量结果，回顾了Aptis远侧尺桡关节置换术的表现，以阐明关节置换术后这些测量结果是否发生改变。对12例接受单侧Aptis关节置换术的患者，使用三维和四维计算机断层扫描来获取前臂的几何形状和运动情况。经过分割和配准后，测量前臂旋转轴、桡骨沿尺骨的平移以及腕关节屈伸范围，并计算骰子系数和豪斯多夫距离。患侧前臂旋转轴与对侧健康旋转轴相差2.3°，桡骨沿尺骨的平移减少了45%，腕关节屈伸也显著减少。观察到多个个体内部的几何差异。Aptis远侧尺桡关节置换术显著改变了前臂的运动学，这可能具有临床意义。四。
