Normative contact mechanics of the ankle Joint: Quantitative assessment utilizing bilateral weightbearing CT

Peiffer, Matthias; Ghandour, Samir; Nassour, Nour; Taseh, Atta; Burssens, Arne; Waryasz, Gregory; Bejarano-Pineda, Lorena; Audenaert, Emmanuel; Ashkani-Esfahani, Soheil; DiGiovanni, Cristopher W.

doi:10.1016/j.jbiomech.2024.112136

Cited by 1 publication

(2 citation statements)

References 41 publications

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“…• 3D bone absolute and relative relationships reporting [16,21,22,26,[52][53][54][55][56][57][58][59][60][61][62][63][64] • 3D Joint space width (3D-JSW) mapping: distance mapping [65][66][67][68][69] • Coverage mapping [70] • Surface measurements…”

Section: • Techniques For Image Acquisitionmentioning

confidence: 99%

“…This tool is based on analyzing the surfaceto-surface distance map within any given weight-bearing joint. The sum of all these point-by-point distances adds up to a 3D joint space width map, which explains why it has been dubbed 'distance mapping' [66,67,69], '3D joint space width' [65,68,89,90] or a mix of both in the literature. Originally developed as way to visualize regions of bony approximation, authors presented ways to also use it as a quantification tool for such conditions as PCFD or cavovarus deformity, by averaging the distances in reproducible in pre-defined anatomical quadrants within the joints of interest (Figure 9).…”

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confidence: 99%

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Recent Innovations Brought about by Weight-Bearing CT Imaging in the Foot and Ankle: A Systematic Review of the Literature

Lintz,

de Cesar Netto,

Belvedere

et al. 2024

Applied Sciences

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The decade from 2010–2020 has seen the development of cone beam weight-bearing CT (WBCT) as a major innovation in the foot and ankle realm, becoming an important modality for bone and joint imaging. The ability to provide three-dimensional images of the naturally loaded skeleton has enabled several subsequent innovations to arise with aims to hasten image processing and to extend the clinical applications of WBCT. The objective of this work was to identify, categorize and explain those emerging techniques. We performed a structured review of the literature according to PRISMA standards, finally including 50 studies. We subsequently proposed a classification of these techniques. Segmentation and distance mapping were identified as key features. We conclude that although WBCT has already been adopted in a number of clinical communities with an immediate improvement in patient workflows, adoption of advanced techniques is yet to come. However, that relies mostly not on the technology itself, but on improvements in AI software allowing practitioners to quickly process images in daily practice and enabling the clinicians to obtain an accurate three-dimensional evaluation of the segment considered. Standardization will be paramount to amass large amounts of comparable data, which will fuel further innovations in a potentially virtuous circle.

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