Turkish neurosurgery · 2017
Comparison of the Rigid Rod System with Modular Plate with the Finite Element Analysis in Short-Segment Posterior Stabilization in the Lower Lumbar Region.
Сравнительное исследованиеСтатьяНазвание и аннотация: Перевод в очереди
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Yaldiz Can, Ozkal Birol, Guvenc Yahya, Senturk Salim, Erbulut Deniz, Zafarparandah Iman, Yaman Onur, Solaroglu Ihsan, Ozer Fahir
Аннотация
AIM: Many studies are available in the literature on posterior spinal instrumentation, though the use of a rod and a plate is still controversial in the literature. In this study, a finite element analysis of the strength and superiority of modular rigid plate and rod systems, which are used in the lower lumbar region, in comparison with each other was used.
MATERIAL AND METHODS: A Ti6Al4V (Grade 5) titanium biocompatible alloy anterior plate was used for the lumbar spine fixation device, and a finite element analysis was conducted on the human lumbar spine model. In this study, an intact spine, a rigid system fixed with a rod, and modular plate systems were evaluated at flexion, extension, lateral bending, and axial rotation.
RESULTS: They did not show statistically significant superiority over one another in terms of limitations in movement during the range of motion exercises and rigidity.
CONCLUSION: The posterior rigid stabilization system and novel stabilization system do not have a significant superiority over one another. Equivalent results in the limitation of movement and rigidity allow for the use of these systems for short-segment posterior spinal instrumentation with the same indications.
MATERIAL AND METHODS: A Ti6Al4V (Grade 5) titanium biocompatible alloy anterior plate was used for the lumbar spine fixation device, and a finite element analysis was conducted on the human lumbar spine model. In this study, an intact spine, a rigid system fixed with a rod, and modular plate systems were evaluated at flexion, extension, lateral bending, and axial rotation.
RESULTS: They did not show statistically significant superiority over one another in terms of limitations in movement during the range of motion exercises and rigidity.
CONCLUSION: The posterior rigid stabilization system and novel stabilization system do not have a significant superiority over one another. Equivalent results in the limitation of movement and rigidity allow for the use of these systems for short-segment posterior spinal instrumentation with the same indications.