Assessment of scapular morphology and bone quality with statistical models

The design of total shoulder arthroplasty implants are guided by anatomy. The objective of this study was to develop statistical models to quantify shape and material property variation in the scapula. Material-mapped models were reconstructed from CT scans for a training set of subjects. Statistica...

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Bibliographic Details
Published inComputer methods in biomechanics and biomedical engineering Vol. 22; no. 4; pp. 341 - 351
Main Authors Burton, William S., Sintini, Irene, Chavarria, Jason M., Brownhill, James R., Laz, Peter J.
Format Journal Article
LanguageEnglish
Published England Taylor & Francis 12.03.2019
Taylor & Francis Ltd
Subjects
Biomedical materials
Bone implants
bone morphology
bone quality
Computed tomography
Elongation
glenoid
Joint surgery
Material properties
Mathematical models
Morphology
Scaling
Scapula
Statistical analysis
statistical intensity modeling
Statistical models
Statistical shape modeling
Surgical implants
Transplants & implants
bone morphology
bone quality
glenoid
scapula
statistical intensity modeling
Statistical shape modeling
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Summary:The design of total shoulder arthroplasty implants are guided by anatomy. The objective of this study was to develop statistical models to quantify shape and material property variation in the scapula. Material-mapped models were reconstructed from CT scans for a training set of subjects. Statistical shape (SSM) and intensity (SIM) models were created; SSM modes described scaling, changes in the medial border and acromial process, and elongation of the scapular blade. SIM modes captured bone quality changes in the anterior and inferior glenoid. Bone quality was independent of scapular morphology. Variation described by the statistical representations can inform implant design and sizing.
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ISSN:1025-5842
1476-8259
DOI:10.1080/10255842.2018.1556260