Patella fracture fixation with a non-locked anterior plating technique: A biomechanical study
Injury Nov 27, 2020
Elkin DM, Galloway JD, Koury K, et al. - The purpose of this study was to compare the biomechanical attributes of patella fracture fixation with either anterior plating utilizing two parallel, longitudinal 2.0 mm plates technique versus a cannulated screw tension band technique. Five matched pairs (ten specimens) of fresh frozen cadavers were utilized. The results of this study demonstrated that patella fixation with anterior plating technique statistically conducted equivalent to cannulated screw anterior tension band in ultimate load to failure strength and fatigue endurance under cyclical loading. According to the results, no failures were found a cyclic simulated active range of motion in the anterior plate group. In the plate fixation group, there was a trend towards improved fatigue endurance, nevertheless, this did not reach statistical significance. For the treatment of transverse patella fractures, the plate fixation technique represents a low-profile implant option, which may allow for early active range of motion, and these data support biomechanical equivalency to standard of care.
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