Alireza Birjandi


Background: Adjacent segment disease (ASD) is defined as degeneration that develops at mobile segments above or below a fused spinal segment and usually develops after spinal fusion or other back surgeries. Nearly 5 decades ago, the medical findings related to ASD were usually released in case reports as a relatively unusual complication of lumbar or lumbosacral fusions. Since the initial reports, ASD has been found to occur more often than the earlier predictions for its prospect incidence.  It is now considered a potential long-term complication of spinal arthrodesis.

Case presentation: Numerous biomechanical studies have reported that the fusion process imposes significant amounts of stress on the adjacent segments. Although there has been a great deal of research performed on ASD, the prevalence and the cause of the disorder are not yet well documented. However, occurrence and medical findings of ASD are one of the main reasons for developing the  motion-preserving techniques as an alternative to fusion surgery. Previous studies have proven the higher efficiency of the anterior lumbar interbody fusion combined with posterolateral lumbar fusion (ALIF+PLIF), as compared to the conventional method of posterolateral fusion alone in terms of outcome and cost-effectiveness.


How to Cite
BIRJANDI, Alireza. Adjacent Segment Degeneration. Journal of Injury and Violence Research, [S.l.], v. 4, n. 3, dec. 2012. ISSN 2008-4072. Available at: <http://jivresearch.org/jivr/index.php/jivr/article/view/355>. Date accessed: 22 oct. 2018.
Adjacent Segment Disease, Anterior Lumbar Interbody Fusion, Posterolateral Lumbar Fusion, Spinal Fusion
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