Bone Mineral Density Testing in Patients Undergoing Total Ankle Arthroplasty: Should We Pay More Attention to the Bone Quality?

So, Eric; Rushing, Calvin J.; Prissel, Mark A.; Berlet, Gregory C.

doi:10.1053/j.jfas.2020.10.002

Cited by 5 publications

(1 citation statement)

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“…Exploring the link between mechanical and structural properties can aid predicting surgical outcomes [ 49 ]. Higher bone density and trabecular thickness may be beneficial for the performance of arthroplasty and arthrodesis by improving fixation into the bone, reducing the risk of loosening [ 50 ].…”

Section: Discussionmentioning

confidence: 99%

Changes in subchondral bone morphology with osteoarthritis in the ankle

Koria,

Farndon,

Jones

et al. 2024

PLoS ONE

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Significant alterations to subchondral trabecular bone microarchitecture are observed in late-stage osteoarthritis (OA). However, detailed investigation of these changes to bone in the ankle are under-reported. This study aimed to fully characterise the trabecular morphology in OA ankle bone specimens compared to non-diseased (ND) controls using both standard and individual-trabecular segmentation-based (ITS) analyses. Ten ND tibial bone specimens were extracted from three cadaveric ankles, as well as five OA bone specimens from patients undergoing total ankle arthroplasty surgery. Each specimen was scanned using microcomputed tomography from which a 4 mm cuboidal volume was extracted for analysis. Morphological parameters for the subchondral trabecular bone were measured using BoneJ (NIH ImageJ) and 3D ITS for whole volumes and at each depth level in 1 mm increments. The results show an overall increase in bone volume fraction (p<0.01) and trabecular thickness (p<0.001) with OA, with a decrease in anisotropy (p<0.05). ITS analysis showed OA bone was composed of more rod-like trabeculae and plate-like trabeculae compared to ND bone. Numerous properties were depth dependent, but the results demonstrated that towards the subchondral bone plate, both rod- and plate-like trabeculae were thicker, rods were longer and plates had increased surface area. Overall, this study has verified key microstructural alterations to ankle subchondral bone that are found in other OA lower-limb joints. Depth-based analysis has highlighted differences of interest for further evaluation into the remodelling mechanisms that occur with OA, which is critical to understanding the role of subchondral bone microarchitecture in the progression of the disease.

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Section: Discussionmentioning

confidence: 99%