Biomechanical effects of posterior lumbar interbody fusion with vertical placement of pedicle screws compared to traditional placement

doi:10.12998/wjcc.v12.i20.4108

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World Journal of Clinical Cases

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2307-8960

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Baishideng Publishing Group Inc, 7041 Koll Center Parkway, Suite 160, Pleasanton, CA 94566, USA

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World J Clin Cases. Jul 16, 2024; 12(20): 4108-4120
Published online Jul 16, 2024. doi: 10.12998/wjcc.v12.i20.4108

Table 6 Vertebral load displacement ratio (unit: N/mm)

TSA	Extension	Flexion	Right lateral bending	Left lateral bending	Right rotation	Left rotation
0 degrees	1827.29 ± 114.78	261.87 ± 16.01	318.39 ± 20.71	307.10 ± 21.09	273.52 ± 18.13	264.10 ± 17.33
17 degrees	1443.65 ± 83.75	274.79 ± 18.53	344.18 ± 27.18	327.74 ± 23.35	283.45 ± 17.06	281.93 ± 21.99
F	134.605	6.144	229.409	97.584	3.775	8.134
P value	0.000	0.012	0.000	0.000	0.027	0.001

TSA: Transverse section angle.

Citation: Jiang JH, Zhao CM, Zhang J, Xu RM, Chen L. Biomechanical effects of posterior lumbar interbody fusion with vertical placement of pedicle screws compared to traditional placement. World J Clin Cases 2024; 12(20): 4108-4120
URL: https://www.wjgnet.com/2307-8960/full/v12/i20/4108.htm
DOI: https://dx.doi.org/10.12998/wjcc.v12.i20.4108