TY - JOUR
T1 - Degenerative facet joint changes in lumbar percutaneous pedicle screw fixation without fusion
AU - Proietti, Luca
AU - Tamburrelli, Francesco Ciro
AU - Sessa, Sergio
AU - Cerulli, Giuliano Giorgio
AU - Scaramuzzo, L.
PY - 2015
Y1 - 2015
N2 - Background
Aim of the study was to evaluate degenerative lumbar facet-joints changes after percutaneous pedicle screw fixation (PPSF) in the treatment of lumbar fractures.
Materials and methods
Thirty patients underwent short PPSF without fusion. CT-scan was performed in the pre- and post-operative time at four, eight and 12 months. The six zygapophyseal joints adjacent the fracture's level were evaluated.
Results
At four months patients showed no differences between pre- and post-operative joint radiographic aspect. At eight and 12 months, CT-scan demonstrated a progressive degeneration only in the middle joints respectively in 21.42% and in 76.92% of the cases. All 10 disrupted facet joints showed progressive degenerative changes at eight and 12 months.
Conclusion
Lumbar percutaneous fixation without fusion induces little degenerations essentially collocated in the middle joints close to fracture level at eight and 12 months. In the proximal and distal joints adjacent the screws degenerative changes can be seen only when associated to pedicle-screw encroachment.
Level of evidence
Level IV retrospective study.
AB - Background
Aim of the study was to evaluate degenerative lumbar facet-joints changes after percutaneous pedicle screw fixation (PPSF) in the treatment of lumbar fractures.
Materials and methods
Thirty patients underwent short PPSF without fusion. CT-scan was performed in the pre- and post-operative time at four, eight and 12 months. The six zygapophyseal joints adjacent the fracture's level were evaluated.
Results
At four months patients showed no differences between pre- and post-operative joint radiographic aspect. At eight and 12 months, CT-scan demonstrated a progressive degeneration only in the middle joints respectively in 21.42% and in 76.92% of the cases. All 10 disrupted facet joints showed progressive degenerative changes at eight and 12 months.
Conclusion
Lumbar percutaneous fixation without fusion induces little degenerations essentially collocated in the middle joints close to fracture level at eight and 12 months. In the proximal and distal joints adjacent the screws degenerative changes can be seen only when associated to pedicle-screw encroachment.
Level of evidence
Level IV retrospective study.
KW - Degenerative change
KW - Lumbar spine
KW - Percutaneous fixation
KW - Zygapophyseal joints
KW - Degenerative change
KW - Lumbar spine
KW - Percutaneous fixation
KW - Zygapophyseal joints
UR - http://hdl.handle.net/10807/65453
UR - http://www.sciencedirect.com/science/article/pii/s1877056815000699
U2 - 10.1016/j.otsr.2015.01.013
DO - 10.1016/j.otsr.2015.01.013
M3 - Article
VL - 2015
SP - N/A-N/A
JO - Orthopaedics and Traumatology: Surgery and Research
JF - Orthopaedics and Traumatology: Surgery and Research
SN - 1877-0568
ER -