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Orthopaedic Proceedings
Vol. 96-B, Issue SUPP_11 | Pages 184 - 184
1 Jul 2014
Hydorn C Nathe K Kanwisher M DesJardins J Rogers M Bertram A
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Summary Statement

This study examined the fixation stiffness of 13 tibial and 12 femoral Salter-Harris fracture fixation methods, and determined that screws and screws+ k-wires methods provided the highest stability. In situations where k-wire use is unavoidable, threaded k-wires are preferable.

Introduction

Salter-Harris fractures of the proximal tibia and distal femur are common in pediatric patients that present to orthopedic surgeons. Salter-Harris type I fractures are characterised by breaks that extend only through the physis while Salter-Harris II fractures are the most common, accounting for 85% of Salter-Harris fractures, and extend past the growth plate, exiting through the metaphyseal bone. Fixation of these fracture types can be accomplished using a variety of methods including the use of Kirschner wires, cannulated screws, and a combination of both materials. Stability of fracture fixation is of utmost importance as persistent motion at the fracture margin leads to deformity. The purpose of this study is to analyze the biomechanical efficacy of various fixation methods used to stabilise Salter-Harris I and II fracture patterns in both the proximal tibia and distal femur. Stiffness, the primary gauge of efficacy, will be tested in flexion and extension, varus and valgus movement, and internal and external rotation and will be compared to determine the optimal fixation method.