Better Axial Stiffness of a Bicortical Screw Construct Compared to a Cable Construct for Comminuted Vancouver B1 Proximal Femoral Fractures.
biomechanical · Level V
Where this comes from
- Record sourced from PubMed, PMID 26239233.
- Also identified by DOI 10.1016/j.arth.2015.06.060.
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Abstract
The aim of this study was to biomechanically evaluate the Locking attachment plate (LAP) construct in comparison to a Cable plate construct, for the fixation of periprosthetic femoral fractures after cemented total hip arthroplasty. Each construct incorporated a locking compression plate with bi-cortical locking screws for distal fixation. In the Cable construct, 2 cables and 2 uni-cortical locking screws were used for proximal fixation. In the LAP construct, the cables were replaced by a LAP with 4 bi-cortical locking screws. The LAP construct was significantly stiffer than the cable construct under axial load with a bone gap (P=0.01). The LAP construct offers better axial stiffness compared to the cable construct in the fixation of comminuted Vancouver B1 proximal femoral fractures.
Medical subject headings
- Arthroplasty, Replacement, Hip
- Bone Screws
- Bone Wires
- Femoral Fractures
- Fracture Fixation, Internal
- Fractures, Comminuted
Anatomy
- femur
- hip