Biomechanical Comparison Between Posterior Long-Segment Fixation, Short-Segment Fixation, and Short-Segment Fixation With Intermediate Screws for the Treatment of Thoracolumbar Burst Fracture: A Finite Element Analysis

Worawat Limthongkul; Nutthee Wannaratsiri; Chamaiporn Sukjamsri; Chi-na Benyajati; Pimpa Limthongkul; Teerachat Tanasansomboon; Wicharn Yingsakmongkol; Weerasak Singhatanadgige

doi:10.14444/8441

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Figure 1
Total displacement after applying load (mm). (a) Long-segment fixation, (b) short-segment fixation, and (c) short-segment fixation with intermediate screws.
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Figure 2
Stress in the rods after applying load (MPa). (a) Long-segment fixation, (b) short-segment fixation, and (c) short-segment fixation with intermediate screws.
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Figure 3
Stress in the T11 vertebral body after applying load (MPa) in long-segment fixation.
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Figure 4
Stress in the T12 vertebral body after applying load (MPa). (a) Long-segment fixation, (b) short-segment fixation, and (c) short-segment fixation with intermediate screws.
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Figure 5
Stress in the L1 vertebral body after applying load (MPa) in short-segment fixation with intermediate screws.
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Figure 6
Stress in the L2 vertebral body after applying load (MPa). (a) Long-segment fixation, (b) short-segment fixation, and (c) short-segment fixation with intermediate screws.
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Figure 7
Stress in the L3 vertebral body after applying load (MPa) in long-segment fixation.
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Figure 8
Stress in the bones after applying load (MPa). (a) Long-segment fixation, (b) short-segment fixation, and (c) short-segment fixation with intermediate screws.