Stability potential of spinal instrumentations in tumor vertebral body replacement surgery

Spine
M J Vahldiek, M M Panjabi

Abstract

The multidirectional stability potential of anterior, posterior, and combined instrumentations applied at L1-L3 was studied after L2 corpectomy and replacement with a carbon-fiber implant. To evaluate the biomechanical characteristics of short-segment anterior, posterior, and combined instrumentations in lumbar spine tumor vertebral body replacement surgery. The biomechanical properties of many different spinal instrumentations have been studied in various spinal injury models. Only a few studies, however, investigate the stabilization methods in spinal tumor vertebral body replacement surgery. Eight fresh frozen human cadaveric thoracolumbar spine specimens (T12-L4) were prepared for biomechanical testing. Pure moments (2.5 Nm, 5 Nm, and 7.5 Nm) of flexion-extension, left-right axial torsion, and left-right lateral bending were applied to the top vertebra in a flexibility machine, and the motions of the L1 vertebra with respect to L3 were recorded with an optoelectronic motion measurement system after reconditioning. The L2 vertebral body was resected and replaced by a carbon-fiber cage. Different fixation methods were applied to the L1 and L3 vertebrae. One anterior, two posterior, and two combined instrumentations were teste...Continue Reading

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Citations

Feb 2, 2010·Archives of Orthopaedic and Trauma Surgery·Padhraig F O'LoughlinMusa Citak
Dec 31, 2010·Archives of Orthopaedic and Trauma Surgery·Nesrin UksulMusa Citak
Jul 10, 2004·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·Ulrich SchreiberRudolf Beisse
May 16, 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·Uta LangeMichael Blauth
Jan 16, 2008·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·A C DischW Schmoelz
Oct 19, 2011·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·Benjamin UlmarWerner Schmoelz
Aug 29, 2006·Medical & Biological Engineering & Computing·Tian-Xia QiuQing-Hang Zhang
Jan 22, 2004·Journal of Spinal Disorders & Techniques·Peter A RobertsonAlastair T Hadlow
Jul 2, 2005·Spine·Christian H FlammeNadine von der Heide
Aug 11, 2005·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·Christian H FlammeChristof Hurschler
Jun 26, 2003·The Kaohsiung Journal of Medical Sciences·Chung-Nan LinShen-Long Howng
Mar 19, 2013·The Spine Journal : Official Journal of the North American Spine Society·Fernando TechyRobert F McLain
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Aug 2, 2015·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·Khalid M I Salem, Charles G Fisher
Apr 6, 2000·The Tohoku Journal of Experimental Medicine·E AbeK Okuyama

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