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Development and application of the average pelvic shape in virtual pelvic fracture reconstruction
Author(s) -
Ead Maha S.,
Palizi Mehrdad,
Jaremko Jacob L.,
Westover Lindsey,
Duke Kajsa K.
Publication year - 2021
Publication title -
the international journal of medical robotics and computer assisted surgery
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.556
H-Index - 53
eISSN - 1478-596X
pISSN - 1478-5951
DOI - 10.1002/rcs.2199
Subject(s) - pelvic fracture , computer science , orthodontics , joint (building) , fracture (geology) , pelvis , medicine , anatomy , geology , structural engineering , geotechnical engineering , engineering
Background With unilateral pelvic fractures, the contralateral hemipelvis can be used as a template in virtual reconstruction; however, this cannot be applied for bilateral fractures. Therefore, statistical shape modelling was used to build average pelvic shapes that can serve as templates when reconstructing bilaterally fractured pelvises. Methods Four average shape models were created for male and female, left and right hemipelves from 20 male and 20 female subjects. They were used as templates to reconstruct eight unilaterally fractured pelvises. Results The average root‐mean‐square of deviations between the reconstructed and intact hemipelves was 1.46 ± 0.32 mm, which is less than the 2 mm threshold for causing hip joint complications. Conclusion This indicates that the reconstructions are reliable and the average shape models can be used to reconstruct bilaterally fractured pelvises. The proposed technique can potentially provide quick and accurate treatment plans for pelvic fracture patients, which is necessary for recovery.

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