Vertebroplasty and kyphoplasty affect vertebral motion segment stiffness and stress distributions: a microstructural finite-element study.


STUDY DESIGN The mechanical behavior of a thoracic motion segment following cement augmentation was studied using the finite-element method. OBJECTIVE To examine effects of cement augmentation on motion segment stiffness and load transfer. SUMMARY OF BACKGROUND DATA Vertebroplasty and kyphoplasty procedures are meant to stiffen and strengthen the… (More)


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