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Use of Weight Bearing Computed Tomography in Subtalar Joint Instability: A Cadaver Study

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Weight Bearing Cone Beam Computed Tomography (WBCT) in the Foot and Ankle

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Abstract

The aim of this study was to assess the ability of weight bearing computer tomography (CT) scans to detect subtalar joint instability. Seven pairs of fresh frozen male cadavers (tibial plateau to toe-tip) were tested. Eight radiographic measurements were performed to assess the congruency of the subtalar joint on digitally reconstructed radiographs (DRRs) and single CT images. Axial loading did not impact most measurements, whereas torque did impact most measurements. Measurements to assess the subtalar joint stability should primarily be performed at the subtalar joint level rather than at the ankle joint level when using weight bearing CT scans.

Based on Krähenbühl N, Burssens A, Davidson NP, Allen CM, Henninger HB, Saltzman CL, Barg A (2019) Can weight bearing computed tomography scans be used to diagnose subtalar joint instability? A cadaver study. J Orthop Res, 2019 Jul 19 [epub ahead of print]; and Krähenbühl N, Weinberg MW, Davidson NP, Mills MK, Hintermann B, Saltzman CL, Barg A (2018) Currently used imaging options cannot accurately predict subtalar joint instability. Knee Surg Sports Traumatol Arthrosc, 2018 Oct 26 [epub ahead of print]

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Authors and Affiliations

  1. University Orthopedic Center, University of Utah, Salt Lake City, UT, USA

    Alexej Barg

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  1. Alexej Barg
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Correspondence to Alexej Barg .

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Barg, A. (2020). Use of Weight Bearing Computed Tomography in Subtalar Joint Instability: A Cadaver Study. In: Weight Bearing Cone Beam Computed Tomography (WBCT) in the Foot and Ankle. Springer, Cham. https://doi.org/10.1007/978-3-030-31949-6_13

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  • DOI: https://doi.org/10.1007/978-3-030-31949-6_13

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  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-030-31948-9

  • Online ISBN: 978-3-030-31949-6

  • eBook Packages: MedicineMedicine (R0)

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