Biomechanical effects of the body augmenter for reconstruction of the vertebral body

Spine
Hsiang-Ho ChenTain-Hsiung Chen

Abstract

An in vitro biomechanical study of the stabilizing effects of the body augmenter and posterior instrumentation on experimental thoracolumbar fractures with vertebral defects. To evaluate the effects of the body augmenter and instrumentation on the stability of the spine-device construct. Posterior instrumentations alone are widely used to accomplish spinal reduction and provide stability for an injured spine; however, implant failure rates have been reported to be approximately 20%. Transpedicular discectomy and bone graft has reported only 33% fusion rates. Combined anterior bony strut and posterior instrumentation was a challenge to geriatric patients with vulnerable medical conditions and possible vascular and pulmonary complications. Therefore, a new design, the body augmenter, tries to reconstruct the vertebral body through internal mechanical support and also encourage bony fusion. This study is to evaluate its initial mechanical effects. Twenty fresh porcine T11-L3 vertebrae were harvested. The L1 vertebra with one third or one half corpectomy was performed to simulate a fracture injury with vertebral defects. Posterior instrumentation alone (PI group), posterior instrumentation with body augmenters (BA group), and anter...Continue Reading

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Citations

Mar 29, 2006·European Spine Journal : Official Publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society·Kung-Chia LiChih-Hung Chen
Dec 21, 2006·European Spine Journal : Official Publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society·Shiu-Bii LienShing-Sheng Wu
Jan 26, 2007·European Spine Journal : Official Publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society·Murat AltayA Yalçin Tabak
Oct 5, 2013·European Journal of Orthopaedic Surgery & Traumatology : Orthopédie Traumatologie·Umut CanbekMustafa Incesu
Jan 30, 2008·Journal of Clinical Neuroscience : Official Journal of the Neurosurgical Society of Australasia·Xiang-Yang WangYong-Long Chi
Jan 8, 2019·Clinical Spine Surgery : a Spine Publication·Felipe ItuarteAli Nourbakhsh
Apr 7, 2020·Journal of Clinical Neuroscience : Official Journal of the Neurosurgical Society of Australasia·Seung-Ryul ShinJung-Kil Lee

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