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引用次数: 0
摘要
背景:严格推导可用于胫骨畸形矫正的单刀旋转截骨术倾角的简便公式:方法: 使用三角函数等式和线性代数概念证明了三个定理。这些都得到了严格的证明。这三个概念是:如何将 AP/Lateral 平面上的畸形转换为具有真实畸形角度大小的斜面畸形;如何将一个角度量从一个平面投影到另一个平面;以及计算斜截骨平面的倾斜角。本文所有图表均由本文作者绘制:根据得出的公式,进行了统计 t 检验,结果显示本文得出的公式与 Sangeorzan 原文图表无显著差异(P=0.8782):本文所述公式是准确计算单刀旋转截骨术矫正胫骨畸形的截骨倾角的一种方法:临床相关性:这篇文章使人们对畸形矫正背后的基本概念有了更深入的了解,并提供了一种易于使用的数学公式来计算单刀旋转截骨术的截骨倾角。
Rigorous Mathematical Derivation of Inclination Angle for Single Cut Rotational Osteotomy for Tibia Deformity Correction.
Background: To rigorously derive easy to use formulae for the inclination angle for single cut rotation osteotomy that can be used for tibia deformity correction.
Method: Three theorems were proven using trigonometric identities and concepts of linear algebra. These were rigorously shown. The three concepts were how to convert deformities in an AP/Lateral plane to an oblique plane deformity with a true angular magnitude of deformity; how to project an angular quantity from one plane to another; and the calculation of the inclination angle for the oblique osteotomy plane. All figures in this article were created by the authors of this paper.
Results: From the formula derived, a statistical t-test was performed that showed no significant difference between the formula derived in this paper and the original Sangeorzan paper charts (p=0.8782).
Conclusions: The formulae described in this article are a method to accurately calculate the inclination angle of the osteotomy for a single cut rotational osteotomy for tibial deformity correction.
Clinical relevance: The article gives a deeper understanding of fundamental concepts behind deformity correction and provides an easy-to-use mathematical formula to calculate the osteotomy inclination for single cut rotational osteotomies.
期刊介绍:
Orthopedic Reviews is an Open Access, online-only, peer-reviewed journal that considers articles concerned with any aspect of orthopedics, as well as diagnosis and treatment, trauma, surgical procedures, arthroscopy, sports medicine, rehabilitation, pediatric and geriatric orthopedics. All bone-related molecular and cell biology, genetics, pathophysiology and epidemiology papers are also welcome. The journal publishes original articles, brief reports, reviews and case reports of general interest.