Paley D, Tetsworth K
Division of Orthopaedic Surgery, University of Maryland, Baltimore.
Clin Orthop Relat Res. 1992 Jul(280):48-64.
Angular deformities of the tibia or femur in the frontal plane lead to mechanical axis deviation of the lower limb and malorientation of the joints above and below the level of deformity. Accurate correction of the malalignment and of the joint orientation is important for function and to prevent joint degeneration. An accurate yet simple method to determine the apex of deformity and the type of correction required is based on the joint reference lines of the hip, knee, and ankle, and the individual mechanical axis lines of each bone segment. If the osteotomy is performed at the level of the apex of the deformity, then the only correction needed is angulation. If the osteotomy is performed at a level proximal or distal to the apex, then translation in addition to angulation is necessary to accurately correct the deformity.
胫骨或股骨在额状面的角状畸形会导致下肢机械轴偏移以及畸形水平上下关节的方向异常。准确矫正排列不齐和关节方向对于功能以及预防关节退变很重要。一种准确而简单的确定畸形顶点和所需矫正类型的方法是基于髋、膝和踝关节的关节参考线以及每个骨段的个体机械轴线。如果截骨术在畸形顶点水平进行，那么唯一需要的矫正就是成角。如果截骨术在畸形顶点近端或远端水平进行，那么除了成角之外还需要平移以准确矫正畸形。
