Weight-bearing restrictions with distal radius wrist-spanning dorsal bridge plates
The Journal of Hand Surgery May 23, 2021
Raducha JE, Hresko A, Molino J, et al. - This study was undertaken to explore whether using a stiffer bridge plate construct results in less fracture deformation with loads required for immediate crutch weight-bearing. Researchers developed a comminuted, extra-articular fracture in 7 cadaveric radii, which were fixed applying for dorsal bridge plates. They assessed axial load and mode of failure using 2- and 5-mm osteotomy deformations as cutoffs. It was shown that all constructs failed by plate bending at forces not significantly greater than the 50% body weight force required for full crutch weight-bearing. This study’s findings demonstrate that bridge plates supported forces significantly greater than the 22% body weight required for walker weight bearing 6 of 7 times when 5 mm of deformation was applied as the failure cutoff.
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