2024
DOI: 10.21037/jss-23-106
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Expandable cages that expand both height and lordosis provide improved immediate effect on sagittal alignment and short-term clinical outcomes following minimally invasive transforaminal lumbar interbody fusion (MIS TLIF)

Khanathip Jitpakdee,
Fabian Sommer,
Edna Gouveia
et al.

Abstract: Background Failure to restore lordotic alignment is not an uncommon problem following minimally invasive transforaminal lumbar interbody fusion (MIS TLIF), even with expandable cages that increase disc height. This study aims to investigate the effect of the expandable cage that is specifically designed to expand both height and lordosis. We evaluated the outcomes of MIS TLIF in restoring immediate postoperative sagittal alignment by comparing two different types of expandable cages. One cage is d… Show more

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Cited by 4 publications
(3 citation statements)
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“…However, this simplistic structure posed challenges in achieving significant changes in the lordotic angle, height, and footprint. Recently, more complex expandable cages with locking systems have been developed, which allow greater expansion than that of early versions of expandable cages [37]. Expandable cages with a low height and narrow width are inserted into the disc space, which expand in both height and width within the disc space [38,39].…”
Section: Current Status Of Expandable Cagesmentioning
confidence: 99%
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“…However, this simplistic structure posed challenges in achieving significant changes in the lordotic angle, height, and footprint. Recently, more complex expandable cages with locking systems have been developed, which allow greater expansion than that of early versions of expandable cages [37]. Expandable cages with a low height and narrow width are inserted into the disc space, which expand in both height and width within the disc space [38,39].…”
Section: Current Status Of Expandable Cagesmentioning
confidence: 99%
“…To restore lumbar lordosis during spinal fusion, it is advisable to use cages with a significant lordotic angle; however, posterior approaches face limitations due to narrow corridors. Expandable cages can be safely inserted in a collapsed state and expanded to create lordotic angles of >20 • [37]. Therefore, even without the use of anterior or lateral approaches, achieving substantial lordotic angles is possible using expandable cages [37,39].…”
Section: Advantages Of Expandable Cagesmentioning
confidence: 99%
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