• Andrew Wu, Abhijith V Matur, Kelly Childress, Syed Khalid, Rebecca M Garner, Phillip Vorster, Xu Tao, Geet Shukla, Louisa Onyewadume, Benjamin Motley, Justin Virojanapa, Joseph S Cheng, and Owoicho Adogwa.
• Department of Neurosurgery, University of Cincinnati College of Medicine, Cincinnati, Ohio, USA.
• World Neurosurg. 2024 Mar 1; 183: e51e58e51-e58.

BackgroundEhlers-Danlos syndrome (EDS) is a collection of connective tissue disorders which are often associated with tissue laxity and disc degeneration. However, the implications of EDS on the risk of adjacent segment disease (ASD) after transforaminal lumbar interbody fusion (TLIF) are not well described. The objective of this study is to compare the rates of ASD among patients with EDS and those without EDS.MethodsPatients who underwent 1-3 level TLIF for degenerative disc disease between 2010-2022 were identified using the PearlDiver Mariner all-claims insurance database. Patients with all types of EDS were included. Patients undergoing surgery for tumors, trauma, or infection were excluded. 1:1 propensity matching was performed using demographic factors, medical comorbidities, and surgical factors which were significantly associated with ASD in a linear regression model. The primary outcome measure was the development of ASD. The secondary outcomes were the development of pseudoarthrosis, medical complications, and surgical complications.ResultsPropensity matching resulted in 2 equal groups of 85 patients who did or did not have EDS and underwent 1-3 level TLIF. Patients without EDS were less likely to experience ASD (RR 0.18, 95% CI 0.09-0.35, P < 0.001). There was no significant difference between the 2 patient groups with regards to a diagnosis of pseudoarthrosis, and there was no significant difference for all-cause medical and surgical complications between the 2 patient groups.ConclusionsAfter propensity matching to control for confounding variables, the findings of this study suggest that EDS may be associated with an increased risk of ASD following TLIF. Future studies are needed to corroborate these findings.Copyright © 2023. Published by Elsevier Inc.

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