Journal article
Vertebroplasty plus short segment pedicle screw fixation in a burst fracture model in cadaveric spines
Journal of clinical neuroscience, Vol.22(5), pp.883-888
05/2015
DOI: 10.1016/j.jocn.2014.11.031
PMID: 25769251
Abstract
The current project investigates the role of vertebroplasty in supplementing short segment (SS) posterior instrumentation, only one level above and below a fracture. In the treatment of thoracolumbar burst fractures, long segment (LS) posterior instrumentation two levels above and below the fracture level has been used. In our study, burst fractures were produced at L1 in eight fresh frozen human cadaveric spines. The spines were then tested in three conditions: 1) intact, 2) after LS (T11–L3), 3) SS (T12–L2) instrumentation with pedicle screws and rods, and 4) short segment instrumentation plus cement augmentation of the fracture level (SSC). LS instrumentation was found to significantly reduce the motion at the instrumented level (T12–L2) as well as the levels immediately adjacent in flexion, extension and lateral bending. Similarly, SSC augmentation was found to significantly reduce the motion compared to intact at T12–L2 but still maintained the adjacent level motion. However, SS instrumentation alone did not significantly reduce the motion at T12–L2 except for left lateral bending. While LS instrumentation remains the most stable construct, SS instrumentation augmented with vertebroplasty at the fracture level increases rigidity in flexion, extension and right lateral bending beyond SS instrumentation alone.
Details
- Title: Subtitle
- Vertebroplasty plus short segment pedicle screw fixation in a burst fracture model in cadaveric spines
- Creators
- Andrew J Grossbach - Department of Neurosurgery, Carver College of Medicine, The University of Iowa, 200 Hawkins Drive, 1826 JPP, Iowa City, IA 52242, USAStephanus V Viljoen - Department of Neurosurgery, Carver College of Medicine, The University of Iowa, 200 Hawkins Drive, 1826 JPP, Iowa City, IA 52242, USAPatrick W Hitchon - Department of Neurosurgery, Carver College of Medicine, The University of Iowa, 200 Hawkins Drive, 1826 JPP, Iowa City, IA 52242, USANicole A DeVries Watson - Center for Computer Aided Design, The University of Iowa, Iowa City, IA, USANicole M Grosland - Center for Computer Aided Design, The University of Iowa, Iowa City, IA, USAJames Torner - Department of Neurosurgery, Carver College of Medicine, The University of Iowa, 200 Hawkins Drive, 1826 JPP, Iowa City, IA 52242, USA
- Resource Type
- Journal article
- Publication Details
- Journal of clinical neuroscience, Vol.22(5), pp.883-888
- DOI
- 10.1016/j.jocn.2014.11.031
- PMID
- 25769251
- NLM abbreviation
- J Clin Neurosci
- ISSN
- 0967-5868
- eISSN
- 1532-2653
- Publisher
- Elsevier Ltd
- Language
- English
- Date published
- 05/2015
- Academic Unit
- Roy J. Carver Department of Biomedical Engineering; Iowa Technology Institute; Epidemiology; Orthopedics and Rehabilitation; Surgery; Injury Prevention Research Center; Neurosurgery
- Record Identifier
- 9983995047402771
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