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Comparison of cannulated screws with FiberWire or stainless steel wire for patella fracture fixation: A pilot study
Tony L Bryant1, Christopher L Anderson1, Christopher G Stevens1
1Department of Orthopaedics and Rehabilitation, Divisions of Trauma and Research, University of Florida, Gainesville, FL 32608, USA.
Purpose:
This pilot study tested whether FiberWire provides similar protection to steel wire against repair displacement in patella fractures.
Methods:
Thirteen cadaver knees were cyclically loaded with 10 cycles (0-90° flexion) and fracture displacement was recorded. Fixation methods were also tested in load to failure (>3 mm displacement).
Results:
There was no difference between wire types in fracture displacement (1.4 mm ± 0.33 mm vs 1.2 mm ± 0.34 mm, respectively; p = 0.418) or in the load to failure (714.7 N ± 110.9 N vs 744.5 N ± 92.8 N, respectively; p = 0.360).
Conclusion:
FiberWire provides similar protection to steel wire against repair displacement after fixation of patellar fractures.
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