Optimal Screw Fixation in Treating Jones Fractures:

Foot & Ankle Orthopaedics

AliHosseini¹ 

关键词: Screw Fixation;    Jones Fractures;    fifth metatarsal;   

DOI  :  10.1177/2473011417S000197

学科分类：医学（综合）

来源: Sage Journals

【 摘 要 】

Category:Midfoot/ForefootIntroduction/Purpose:Jones fractures are among the most common fractures in the foot, mainly occurring in athletes. In order to facilitate return to sport and good functional outcomes, management with intramedullary screw fixation is often recommended [1-3]. While optimal screw dimension and location parameters have varied in the literature, it is clear that maximizing pull-out strength, providing adequate compression across the fracture, and minimizing irritation to surrounding soft tissue structures are of paramount importance. The aim of this study was to improve our guidelines regarding optimal insertion trajectory and screw parameters of Jones fractures by more accurately defining the bony and soft tissue anatomy of the fifth metatarsal bone and its intramedullary canal.Methods:21 fifth metatarsal bones were harvested from cadaveric feet. Three reference screws were placed on each bone for registration. 3D CT model of each bone with outer cortex, intramedullary canal and the ...

【 授权许可】

CC BY