Correlation Between Sagittal Spinopelvic Parametersand Oswestry Disability Indexafter Thoracal and Lumbar Spine Stabilization and Fusion

Yudistira Prama Tirta • Ifran Saleh
Journal article eJournal Kedokteran Indonesia • April 2017


Spinopelvic parameter consists of sagittal vertical axis (SVA), pelvic incidence (PI), pelvic tilt (PT), sacral slope (SS) which are measured by whole-spine-lateral-view radiograph in standing position. Measurement of the separameters is pivotalas the land mark analysis toachieve correct sagittal balance. The objective of the study is to analyze the correlation between PI, PT, SVA and SSwith theclinical outcomes which was measured usingOswestry Disability Index (ODI) scoring system.This is a cross-sectional study involving 19 patients who underwent thoracal and lumbar fusion surgery in our centerduring 2012-2014. Radiographi cevaluation of SVA, PI, PT, and SS and ODI score were performed 1 year after surgery. Pearson test was conducted to determine the correlation between SVA, PI, PT, and SS with ODI score.There wasa strong correlation between ODI withSVA and PI (p<0.001,r=0.866; p=0.006; r=0.603, respectively). There was no correlation between other parameters with ODI.Based on this study, spinopelvic parameters that can represent the clinical outcome after thoracal and lumbar fusion and stabilization surgeries are SVA and PI.




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