Fusion has been the gold standard for treatment of various disorders associated with the spine especially at intervertebral disc level. The surgical procedure for fusion often requires fixation of the anterior column of the defected segment with interbody fixation devices such as cages. Anterior (ALIF), transforaminal (TLIF) and lateral (LIF) lumbar interbody fusion are some of the most common techniques for segmental fixation. The unacceptably low fusion rate with the interbody cages, when used as standalone, has led to the practice of combining these devices with posterior instrumentation. The segmental kinematics, the load distribution on the vertebral endplate and on the components of the posterior instrumentation are the key biomechanical parameters which can help to evaluate the performance of interbody fixation techniques with posterior instrumentation. We conducted a finite element (FE) study to compare biomechanics of these fixation methods.
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ASME 2012 Summer Bioengineering Conference
June 20–23, 2012
Fajardo, Puerto Rico, USA
Conference Sponsors:
- Bioengineering Division
ISBN:
978-0-7918-4480-9
PROCEEDINGS PAPER
Effect of Different Fixation Techniques on Segmental Kinematics and Load Sharing of Lumbar Spine: A FEM Study
A. M. Kiapour,
A. M. Kiapour
University of Toledo, Toledo, OH
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S. Garfin,
S. Garfin
University of California San Diego, San Diego, CA
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T. Allen,
T. Allen
University of California San Diego, San Diego, CA
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V. K. Goel
V. K. Goel
University of Toledo, Toledo, OH
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A. Kiapour
University of Toledo, Toledo, OH
A. M. Kiapour
University of Toledo, Toledo, OH
H. Serhan
DePuy Spine Inc., Raynham, MA
S. Garfin
University of California San Diego, San Diego, CA
T. Allen
University of California San Diego, San Diego, CA
V. K. Goel
University of Toledo, Toledo, OH
Paper No:
SBC2012-80882, pp. 1127-1128; 2 pages
Published Online:
July 19, 2013
Citation
Kiapour, A, Kiapour, AM, Serhan, H, Garfin, S, Allen, T, & Goel, VK. "Effect of Different Fixation Techniques on Segmental Kinematics and Load Sharing of Lumbar Spine: A FEM Study." Proceedings of the ASME 2012 Summer Bioengineering Conference. ASME 2012 Summer Bioengineering Conference, Parts A and B. Fajardo, Puerto Rico, USA. June 20–23, 2012. pp. 1127-1128. ASME. https://doi.org/10.1115/SBC2012-80882
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