Biomechanical evaluation of paracoccygeal transsacral fixation

Journal of Spinal Disorders & Techniques
Burak AkesenEnsor E Transfeldt

Abstract

This is a biomechanical study using human cadaveric lumbar spine. To evaluate the biomechanics of paracoccygeal transsacral rod fixation. Various types of transsacral fixation either by posterior and paracoccygeal approaches have been described in the literature. The biomechanical advantage of transsacral rod fixation is the preservation of supporting structures at L5-S1 level. No biomechanical data on human cadavers have been reported in the literature. The aim of this study is to evaluate the biomechanics of the transsacral rod fixation. Six fresh human cadaveric L5-S1 motion segments (mean age 67.5 y; range 46 to 82 y ) were used in the study. Unconstrained and nondestructive pure moments in axial torsion (AT), lateral bending (LB), and flexion-extension (FE) were applied to each specimen after applying transsacral rod and after additional augmentation methods, including bilateral screws, facet screws, and pedicle screw and rod system. Range of motion (ROM) was calculated for each surgical treatment. The disc space was measured with lateral plain radiographs of intact specimens and after transsacral rod insertion to evaluate the amount of distraction. The mean ROM of the intact specimens was 3.5, 6.4, and 11.0 degrees in AT,...Continue Reading

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Citations

Jul 3, 2010·Surgical and Radiologic Anatomy : SRA·Patrick M Foye
Apr 9, 2009·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·Serkan ErkanEnsor E Transfeldt
May 11, 2012·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·Oheneba Boachie-AdjeiAkilah B King
Jan 1, 2011·Medical Devices : Evidence and Research·Steven M RappJon E Block
May 24, 2011·Journal of Neurosurgery. Spine·Emily M LindleyVikas V Patel
Oct 4, 2011·Neurosurgical Focus·Christoph P HofstetterRoger Härtl
Jun 25, 2013·Journal of Neurosurgery. Spine·Geoffrey SiegelRakesh Ramakrishnan
Aug 27, 2013·Journal of Neurosurgery. Spine·Christoph P HofstetterRoger Härtl
Mar 19, 2014·Journal of Neurosurgery. Spine·William D ToblerRichard J Nasca
Nov 30, 2011·The Spine Journal : Official Journal of the North American Spine Society·Peter C GersztenRichard J Nasca
Oct 26, 2010·The Spine Journal : Official Journal of the North American Spine Society·Xiujun ZhengEnsor E Transfeldt
Sep 28, 2010·The Spine Journal : Official Journal of the North American Spine Society·Richard J Nasca
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May 30, 2009·The Spine Journal : Official Journal of the North American Spine Society·Serkan ErkanEnsor E Transfeldt
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Nov 22, 2018·Clinical Anatomy : Official Journal of the American Association of Clinical Anatomists & the British Association of Clinical Anatomists·Yang LiLijun Wu
Nov 8, 2013·Journal of Spinal Disorders & Techniques·Peter G WhangJeffrey S Fischgrund

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