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Oral Presentations 2014 AANS Annual Scientific Meeting San Francisco, California • April 5–9, 2014

Published online June 1, 2015; DOI: 10.3171/2015.6.JNS.AANS2014abstracts

decompression in surgically operated patients following anterior lumbar interbody fusion using radiographic measurement. Introduction A frequently quoted advantage for ALIF is indirect foraminal decompression although there are very few studies substantiating this statement. Also there are no clinical studies employing a standardized method to measure the foraminal area and correlating with disc height (DH) parameters. This study is proposed to measure the degree of indirect foraminal decompression radiologically using a standardized method and correlate with intervertebral