Int J Comput Assist Radiol Surg - A laboratory comparison of computer navigation and individualized guides for distal radius osteotomy.

Tópicos

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Resumo

RPOSE: This article presents the results of a multiuser, randomized laboratory trial comparing the accuracy and precision of image-based navigation against individualized guides for distal radius osteotomy (DRO).METHODS: Six surgeons each performed four DROs using image-based navigation and four DROs using individualized guides in a laboratory setting with plastic phantom replicas of radii from patients who had received DRO as treatment for radial deformity. Time required and correction errors of ulnar variance, radial inclination, and volar tilt were measured.RESULTS: There were no statistically significant differences in the average correction errors. There was a statistically significant difference in the standard deviation of ulnar variance error (2.0 mm for navigation vs. 0.6 mm for guides). There was a statistically significant difference in the standard deviation of radial inclination error ([Formula: see text] for navigation vs. [Formula: see text] for guides). There were statistically significant differences in the times required (705 s for navigation vs. 214 s for guides) and their standard deviations (144 s for navigation vs. 98 s for guides).CONCLUSIONS: Compared to navigated DRO, individualized guides were easier to use, faster, and produced more precise correction of ulnar variance and radial inclination. The combination of true three-dimensional planning, ease of use, and accurate and precise corrective guidance makes the individualized guide technique a promising approach for performing corrective osteotomy of the distal radius.

Resumo Limpo

rpose articl present result multius random laboratori trial compar accuraci precis imagebas navig individu guid distal radius osteotomi dromethod six surgeon perform four dros use imagebas navig four dros use individu guid laboratori set plastic phantom replica radii patient receiv dro treatment radial deform time requir correct error ulnar varianc radial inclin volar tilt measuredresult statist signific differ averag correct error statist signific differ standard deviat ulnar varianc error mm navig vs mm guid statist signific differ standard deviat radial inclin error formula see text navig vs formula see text guid statist signific differ time requir s navig vs s guid standard deviat s navig vs s guidesconclus compar navig dro individu guid easier use faster produc precis correct ulnar varianc radial inclin combin true threedimension plan eas use accur precis correct guidanc make individu guid techniqu promis approach perform correct osteotomi distal radius

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