Whiddon David R, Bono James V, Lang Jason E, Smith Eric L, Salyapongse Aaron K
Naval Medical Center Portsmouth, Portsmouth, Virginia, USA.
Am J Orthop (Belle Mead NJ). 2011 Aug;40(8):395-8.
Digital radiography is becoming the standard of care for many hospitals and clinics worldwide. The introduction of this new standard has led to the development of arthroplasty templating software. We sought to compare our results using the standard acetate method with the new software method. Our digital preoperative plan was accurate to within 1 size in 78% of the acetabular components and 90% of the femoral components. The manually templated plan was accurate to within 1 size in 67% of the acetabular components and 82% of the femoral components. There did not appear to be any correlation between body mass index and inaccuracies in the preoperative template. Digital templating is an accurate tool to preoperatively plan total hip arthroplasty. The accuracy demonstrated in this study should be achieved easily with any digital templating software. The benefit comes from the ability to scale the templates to the actual x-ray magnification. We expect that this improved accuracy over traditional acetate templating will enhance our ability to restore normal hip biomechanics.
数字放射成像正成为全球许多医院和诊所的护理标准。这一新标准的引入促使了关节置换模板软件的发展。我们试图将使用标准醋酸酯法的结果与新软件法的结果进行比较。我们的数字化术前规划在78%的髋臼组件和90%的股骨组件中尺寸误差在1个单位以内。手工模板规划在67%的髋臼组件和82%的股骨组件中尺寸误差在1个单位以内。体重指数与术前模板的误差之间似乎没有任何关联。数字模板是术前规划全髋关节置换的一种准确工具。本研究中所展示的准确性使用任何数字模板软件都应能轻松实现。其优势在于能够根据实际X射线放大倍数调整模板。我们预计，相较于传统醋酸酯模板，这种提高的准确性将增强我们恢复正常髋关节生物力学的能力。
