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The Use Of X-Shaped Cross-Link In Posterior Spinal Constructs Improves Stability In Thoracolumbar Burst Fracture: A Finite Element Analysis, Alizadeh M, Kadir Mr, Fadhli Mm, Fallahiarezoodar A, Azmi B, Murali Malliga Raman, Kamarul T
The Use Of X-Shaped Cross-Link In Posterior Spinal Constructs Improves Stability In Thoracolumbar Burst Fracture: A Finite Element Analysis, Alizadeh M, Kadir Mr, Fadhli Mm, Fallahiarezoodar A, Azmi B, Murali Malliga Raman, Kamarul T
Murali Malliga Raman
Posterior instrumentation is a common fixation method used to treat thoracolumbar burst fractures. However, the role of different cross-link configurations in improving fixation stability in these fractures has not been established. A 3D finite element model of T11-L3 was used to investigate the biomechanical behavior of short (2 level) and long (4 level) segmental spine pedicle screw fixation with various cross-links to treat a hypothetical L1 vertebra burst fracture. Three types of cross-link configurations with an applied moment of 7.5 Nm and 200 N axial force were evaluated. The long construct was stiffer than the short construct irrespective of whether …