ArticleNeurospine2024
Radiographic Characteristics of Caudal Segment in Multilevel Anterior Cervical Discectomy and Fusion: The Bony Buttress Formation.
Article in Neurospine, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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1 citing paper in PubMed.
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Authors and funding
5 authors.
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No grant is acknowledged in the PubMed record.
Abstract
objectiveAnterior cervical discectomy and fusion (ACDF) with anterior plating is a commonly performed procedure for cervical disc diseases. While the clinical outcomes of most reported multilevel ACDF cases are excellent, symptomatic pseudarthrosis remains a challenge, often requiring revision surgeries. This study aims to present the radiological characteristics of multilevel ACDF constructs, which can be considered during intraoperative management to prevent pseudarthrosis.
methodsThis retrospective cohort study included patients who underwent multilevel (3 or 4 levels) ACDF with anterior plating between June 2010 and August 2022. Patients were regularly followed at 4 months, 12 months, and then annually postoperation. Fusion rates and characteristic radiological patterns, such as the formation of bony buttresses underneath the anterior plate, were graded and evaluated.
resultsA total of 163 patients were included in the study. Overall fusion rates were 26.38%, 64.34%, and 81.58% at 4-month, 1-year, and the final follow-up, respectively. Nonunions at 4-month follow-up with tightly engaged anterior plate with bony buttress formation were more likely to fuse in the later period (Buttress grade 0 vs. 1; p=0.01, odds ratio [OR], 5.70, Buttress grade 1 vs. >2; p<0.01, OR, 12.00).
conclusionThis study emphasizes the significance of pseudarthrosis following multilevel ACDF. Pseudarthrosis predominantly occurs in the caudal-most segment of the construct, particularly when it terminates at C7. Constructs that are not tightly engaged and lack bony buttress formation in the caudal part of multilevel ACDF are more likely to develop pseudarthrosis.
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