BACKGROUND Finite element analysis results will show significant differences if the model used is performed under various material properties, geometries, loading modes or other conditions. This study adopted an FE model, taking into account the possible asymmetry inherently existing in the spine with respect to the sagittal plane, with a more geometrically realistic outline to analyze and comp...

11 Vertebroplasty is a minimally invasive procedure with many benefits. However, the 12 procedure is not without risks and complications. Leakage of the cement out of the 13 vertebral body and into the surrounding tissues is one of the most serious compli14 cations of vertebroplasty. Cement can leak into spinal canal, venous system, soft 15 tissues, lungs and intradiscal space, causing serious ...

Objectives. This study aims to evaluate the effect of intradiscal electrothermal therapy (IDET) applied in patients with chronic low back pain using two heating protocols. Methods. In this study, data of 50 patients who were exposed to percutaneous IDET using two heating protocols were retrospectively analyzed. The patients were divided into two groups: in Group 1 (n=25), maximum 750C catheter ...

OBJECTIVE To investigate the biomechanical effects of the lumbar posterior complex on the adjacent segments after posterior lumbar interbody fusion (PLIF) surgeries. METHODS A finite element model of the L1-S1 segment was modified to simulate PLIF with total laminectomy (PLIF-LAM) and PLIF with hemilaminectomy (PLIF-HEMI) procedures. The models were subjected to a 400N follower load with a 7....

This study reports on the development and validation of a new computer model for simulating human postures at work, and assessing the reaction forces and bending moments in 43 human articulation joints. The proposed model estimates the intradiscal pressure in the vertebral column in response to external loading forces encountered during human interactions with work objects or processes. The mod...