Robotics and Navigation as Learning Tools for Fellows Training in Hip Arthroplasty.

The Journal of the American Academy of Orthopaedic Surgeons
Jacob ShapiraBenjamin G Domb

Abstract

The association between implant malpositioning and complications has been repeatedly demonstrated. Recently, technological advancements have allowed for more consistent implant placement. Beyond this obvious application, these technologies may also serve as a learning tool. Thus, the aim of this study was to evaluate the accuracy of fellows' estimation of implant positioning using a robotic system. Data were prospectively collected for all patients undergoing total hip arthroplasty between September 2019 and December 2019. The fellow was blinded to the robotic system. Before reaming and broaching by the senior surgeon, the fellow was asked to place the reamer at 40° of cup inclination and 20° of version. The resulting values were recorded before the true measurements were revealed. A similar process was followed for femoral broaching. The mean difference between the estimated and actual cup inclination and version was 7.24° (P = 0.060) and 4.81° (P = 0.031), respectively. The mean difference in broach version was 7.00° (P = 0.159). Without the robotic system, 43.47% and 69.57% of patients would have had the cup placed outside of the safe zones described by Lewinnek and Callanan, respectively. The estimated anteversion of the ac...Continue Reading

References

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Mar 4, 2018·The Journal of Arthroplasty·Christopher R JamesBrett D Crist

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Citations

Mar 6, 2021·Der Orthopäde·Markus WeberTobias Renkawitz

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