• World Neurosurg · Feb 2023

    Upper Instrumented Vertebrae, Number of Levels Fused, and Plate Morphology Do Not Affect Severity of Chronic Dysphagia after Anterior Cervical Spine Surgery.

    • John C Wuellner, Pope Rodnoi, Adam M Wegner, Shumon Ian Dhar, Dagoberto Pina, Hai Le, Machelle D Wilson, Peter C Belafsky, and Eric O Klineberg.
    • Department of Orthopaedic Surgery, UC Davis Medical Center, Sacramento, CA, USA.
    • World Neurosurg. 2023 Feb 1; 170: e510e513e510-e513.

    BackgroundDisordered swallowing, or dysphagia, is the most common complication after anterior cervical spine (ACS) surgery. Many operative factors are associated with development of dysphagia. The aim of this study was to explore how number of levels instrumented, specific levels fused, and plate morphology affect chronic dysphagia after ACS surgery.MethodsConsecutive patients referred to a tertiary center for otolaryngology evaluation for chronic dysphagia after ACS surgery between 2012 and 2017 were enrolled. Basic demographic data were obtained. Plain radiographs were reviewed for number of levels fused, upper instrumented vertebrae, and plate morphology. Plate morphology was categorized as a closed, small window, large window, or no profile plate. The 10-item Eating Assessment Tool (EAT-10) was used to assess dysphagia severity.ResultsOf 171 patients referred for dysphagia, 126 met inclusion criteria; 54% were female, with a mean age of 63 years (range, 32-88 years). Mean EAT-10 score was 18.5 ± 10.1. Mean time from spine surgery to videofluoroscopic swallow study for dysphagia was 58.3 months. Mean number of levels fused was 2.2 ± 0.9. There were no significant differences in EAT-10 scores in single-level versus multilevel fusion (19.0 vs. 18.4, P = 0.76) as well as with regard to upper instrumented vertebrae or plate morphology.ConclusionsIn this series of patients with chronic dysphagia following ACS surgery, the severity of dysphagia as measured by the EAT-10 was not affected by upper instrumented vertebrae, number of levels fused, or plate morphology.Copyright © 2022 The Authors. Published by Elsevier Inc. All rights reserved.

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