Abstract
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 8 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 pro vide quick and accurate treatment plans for pelvic fracture patients, which is necessary for recovery.
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