Moojen Thybout M, Snel Jeroen G, Ritt Marco J P F, Venema Henk W, Kauer John M G, Bos Kurt E
Departments of Plastic, Reconstructive and Hand Surgery, Academic Medical Center, Amsterdam, The Netherlands.
J Hand Surg Am. 2003 Jan;28(1):81-7. doi: 10.1053/jhsu.2003.50009.
Techniques have been developed very recently with which it is possible to quantify accurately in vivo 3-dimensional (3-D) carpal kinematics. The aim of this study was to evaluate the feasibility of our novel 3-D registration technique by comparing our data with data found in the literature.
The right wrists of 11 healthy volunteers were imaged by spiral computed tomography (CT) during radial-ulnar deviation and 5 of those wrists were imaged also during flexion-extension motion. With a matching technique relative translations and rotations of the carpal bones were traced. We compared our in vivo results with data presented in the literature.
We found our in vivo data largely to concur with in vitro data presented in the literature. In vivo studies revealed only larger out-of-plane motions within the proximal carpal row than described in most in vitro studies. In vivo studies also showed larger interindividual variations.
A single functional model of carpal kinematics could not be determined. We expect that in vivo 3-D CT studies on carpal kinematics, especially when applied to dynamic wrist motion, will have future diagnostic applications and provide information on long-term results of surgical interventions.
最近已开发出一些技术，借助这些技术能够在体内精确量化三维（3-D）腕骨运动学。本研究的目的是通过将我们的数据与文献中的数据进行比较，评估我们新颖的三维配准技术的可行性。
11名健康志愿者的右手腕在桡尺偏斜过程中通过螺旋计算机断层扫描（CT）成像，其中5名志愿者的手腕在屈伸运动时也进行了成像。采用匹配技术追踪腕骨的相对平移和旋转。我们将体内研究结果与文献中的数据进行了比较。
我们发现体内数据在很大程度上与文献中呈现的体外数据一致。体内研究仅显示近端腕骨排内的平面外运动比大多数体外研究中描述的要大。体内研究还显示个体间差异更大。
无法确定单一的腕骨运动学功能模型。我们预计，关于腕骨运动学的体内三维CT研究，尤其是应用于动态腕部运动时，将具有未来诊断应用价值，并能提供手术干预长期结果的信息。
