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No influence of Global sagittal Balance on clinical outcome following pedicle screw instrumentation in degenerative thoracolumbar cases
Author(s): ,
N. Lange
Affiliations:
Klinikum Rechts der Isar, Neurosurgery, Munich, Germany
,
A.-K. Jörger
Affiliations:
Klinikum Rechts der Isar, Neurosurgery, Munich, Germany
,
A. Wagner
Affiliations:
Klinikum Rechts der Isar, Neurosurgery, Munich, Germany
,
B. Meyer
Affiliations:
Klinikum Rechts der Isar, Neurosurgery, Munich, Germany
E. Shiban
Affiliations:
Klinikum Rechts der Isar, Neurosurgery, Munich, Germany
EANS Academy. Lange N. Oct 21, 2018; 226034; EP2037
Nicole Lange
Nicole Lange
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Abstract
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Objective
The significance of global sagittal balance (GSB) in degenerative spine is still highly controversial. We analyzed the impact of GSB on clinical outcome following degenerative thoracolumbar instrumentation.

Methods
A prospective observational study was from January 2015 to January 2016 was performed. GSB using long-standing radiographs and clinical assessment (SF12, ODI and pain VAS) were obtained before surgery and at one-year follow-up.

Results
37 patients were analyzed. The mean age was 69 (range 47 to 83). 59% of cases showed GSB. Sagittal balance improved, was unchanged, or worsened in 11%, 84% and 5%, respectively. At last follow up GSB was associated with superior clinical outcome (SF12 PCS: 39 vs 32, p=0.34; ODI: 23 vs. 32, p=0.48; and pain VAS: 4 vs 5, p=0.58).


Conclusion
Global sagittal balance remained unchanged in most cases following thoracolumbar instrumentation and has no influence in clinical outcome.
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