Finite element analysis of the lumbar destabilization following pedicle subtraction osteotomy

Highlights • Spinal osteotomies are complex procedures with a high-rate of complications. • PSO performed both on L3 and L4 induce a major destabilization of the lumbar spine. • The osteotomy in L3 may reduce the overload acting on the device.

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Bibliographic Details
Published in:Medical engineering & physics 2016-05, Vol.38 (5), p.506-509
Main Authors: Ottardi, Claudia, Galbusera, Fabio, Luca, Andrea, Prosdocimo, Liliana, Sasso, Maurizio, Brayda-Bruno, Marco, Villa, Tomaso
Format: Article
Language:English
Subjects:
Adult
Biocompatibility
Biomedical materials
Calibration
Destabilization
Finite Element Analysis
Finite elements
Humans
Instability
Lumbar spine
Lumbar Vertebrae - physiology
Lumbar Vertebrae - surgery
Male
Mathematical analysis
Mathematical models
Nonlinear Dynamics
Osteotomy
Pedicle Screws
Pedicle subtraction osteotomy
Prosthesis Failure
Radiology
Range of Motion, Articular
Risk
Subtraction
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Description
Summary:Highlights • Spinal osteotomies are complex procedures with a high-rate of complications. • PSO performed both on L3 and L4 induce a major destabilization of the lumbar spine. • The osteotomy in L3 may reduce the overload acting on the device.
ISSN:1350-4533
1873-4030
DOI:10.1016/j.medengphy.2016.02.002