2009 – Pre-operative pelvic parameters must be considered to achieve adequate sagittal balance after lumbar osteotomy

Mar 26, 2012 by

Summary: PSO procedure is now commonly used for realignment of patients with marked sagittal mal-alignment. It is also commonly accepted that patients with different sagittal deformities will require different surgical procedures. This study focuses on patients with large pre-operative imbalance and aims to identify the key parameters that lead to successful post-operative alignments based on pre-operative sagittal spino-pelvic parameters. This study demonstrated that patients with large pre-operative pelvic tilt required a larger PSO resection of reach an acceptable post-operative alignment

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