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STUDY DESIGN An in vitro biomechanical study of the stabilizing effects of a different combination of cages and transpedicular instrumentation on experimental degenerative disc disease. OBJECTIVES To evaluate the biomechanical efficacy of the interbody fusion cage and unilateral posterior instrumentation on the stability of the spine-device construct. (More)
BACKGROUND Multiple osteoporotic vertebral compression fractures (VCFs) have been treated with polymethylmethacrylate augmentation; however, there are cement complications and long-term fracture healing that are unknown. Transpedicle body augmenter (a porous titanium spacer) has been reported as an internal support to reconstruct the vertebral body(More)
Dear Sirs: I appreciate your interest and comments regarding the article by Li et al. [1]. I received numerous comments about this paper. I and the other authors of that article believe more discussion and critical review will aid progress. In response to your concerns, first, delaying mobilization is against our principles. Our postoperative protocol is(More)
BACKGROUND Short-segment fixation alone to treat thoracolumbar burst fractures is common but it has a 20-50% incidence of implant failure and rekyphosis. A transpedicle body augmenter (TpBA) to reinforce the vertebral body via posterior approach has been reported to prevent implant failure and increase the clinical success rate in treating burst fracture.(More)
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