Effect of halo-vest components on stabilizing the injured cervical spine

Spine
Paul C IvancicLisa Tweardy

Abstract

An in vitro biomechanical study. The objectives were to develop a new biofidelic skull-neck-thorax model capable of quantifying motion patterns of the cervical spine in the presence of a halo-vest; to investigate the effects of vest loosening, superstructure loosening, and removal of the posterior uprights; and to evaluate the ability of the halo-vest to stabilize the neck within physiological motion limits. Previous clinical and biomechanical studies have investigated neck motion with the halo-vest only in the sagittal plane or only at the injured spinal level. No previous studies have quantified three-dimensional intervertebral motion patterns throughout the injured cervical spine stabilized with the halo-vest or studied the effect of halo-vest components on these motions. The halo-vest was applied to the skull-neck-thorax model. Six osteoligamentous whole cervical spine specimens (occiput through T1 vertebra) were used that had sustained multiplanar ligamentous injuries at C3/4 through C7-T1 during a previous protocol. Flexibility tests were performed with normal halo-vest application, loose vest, loose superstructure, and following removal of the posterior uprights. Average total range of motion for each experimental condit...Continue Reading

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Citations

Oct 24, 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·Paul C Ivancic
Feb 2, 2010·Spine·Paul C Ivancic, Connor J Telles
Aug 25, 2009·BMC Musculoskeletal Disorders·Hai-Qiang WangZhuo-Jing Luo
Jan 18, 2014·Orthopaedics & Traumatology, Surgery & Research : OTSR·P C Ivancic
Mar 15, 2018·Journal of Investigative Surgery : the Official Journal of the Academy of Surgical Research·Xinwei ShaoXinjia Wang
Feb 28, 2009·Spine·Paul C IvancicBrandon D Lawrence
Dec 21, 2011·Journal of Orthopaedic Surgery·Chin-Hung HoHung-Hei Kwan
May 15, 2021·Operative Neurosurgery·William W WroeJoseph C Hsieh

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