ArticleOperative neurosurgery (Hagerstown, Md.)2023
Novel Nerve-Sparing In Situ Assembly of an Expandable Titanium Cage to Maximize Endplate Coverage After Posterior Corpectomy for Comminuted Lumbar Burst Fractures.
Article in Operative neurosurgery (Hagerstown, Md.), 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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5 authors at 2 institutions in 1 country.
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Abstract
BACKGROUND AND
objectivesThe ability to maximize corpectomy cage endcap size and vertebral endplate coverage after corpectomy for lumbar burst fractures (L1-L5) is limited by the presence of lumbar nerve roots and the larger cross-sectional area of the lumbar endplates relative to the restrictive corridor for cage insertion. This work aims to provide details and clinical examples of a novel operative technique for 3-column reconstruction and stabilization of comminuted lumbar burst fractures.
methodsThrough a standard posterior midline approach and following posterior instrumentation and lateral extracavitary corpectomy, an in-situ assembly of a modular corpectomy cage that respects adjacent neural structures, restores segmental alignment, and maximizes endplate coverage across a lordotic segment is completed.
resultsRadiographic evidence of anatomic spinal reconstruction and stabilization with complete or near-complete endplate coverage without incurrence of new clinical deficit after this novel treatment of lumbar burst fractures.
conclusionThe fixation approach described in this report may be a valuable modification to a long-standing technique used for treating comminuted lumbar burst fractures (L1-L5) from a posterior-only approach without incurring additional neurological deficits and by improving endplate and apophyseal ring coverage.
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