The Salford technique of correction of rotational malalignment in lower limbs

Abstract

Derotational osteotomies of lower limb are widely used to correct rotational deformity and the ability to translate pre-operative plan to accurate intra-operative correction remains challenging in these situations. Salford technique uses pre-operative CT scan, limb length radiographs and PACS tools to calculate a correction distance that can be marked on the surface of bone at the osteotomy site intra-operatively to obtain accurate correction. The calculation is based on the two dimensional geometrical formulae of a circle. We present this case report of a patient who underwent derotational osteotomies of femur and ipsilateral tibia along with Medial patellofemoral ligament reconstruction using this technique. Salford technique is simple, reproducible and cost effective in allowing surgeons to accurately correct rotational deformity of lower limbs without the need for specialist equipment.