2008 – Validating predictive models of spino-pelvic alignment: pre- and post-operative analysis of 70 adults suffering from sagittal plane malalignment

Mar 26, 2012 by

Summary: Pedicle subtraction osteotomy (PSO) is increasingly used in the surgical treatment of adult deformity. Goals in such procedures include restored spino-pelvic alignment. However, the prediction of post-operative alignment remains challenging. Using existing predictive models in a multi-center study (70 patients), it was possible to correctly predict the post-operative results (‘good’ vs. ‘poor’ alignment) in 83% of cases. This study has offered validation of formulas for predicting post-operative spino-pelvic alignment and is certain to improve surgical planning and outcomes.

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