• Eur Spine J · Oct 2023

    Abdominal aortic calcification is independently associated with lumbar endplate degeneration.

    • Lukas Schönnagel, Maximilian Muellner, Phillip Suwalski, Jiaqi Zhu, Ali E Guven, Thomas Caffard, Soji Tani, Gaston Camino-Willhuber, Henryk Haffer, Erika Chiapparelli, Krizia Amoroso, Artine Arzani, Manuel Moser, Jennifer Shue, Ek Tsoon Tan, Andrew A Sama, Federico P Girardi, Frank P Cammisa, and Alexander P Hughes.
    • Department of Orthopaedic Surgery, Hospital for Special Surgery, Weill Cornell Medicine, New York City, NY, USA.
    • Eur Spine J. 2023 Oct 1; 32 (10): 338733933387-3393.

    BackgroundAbdominal aortic calcification (AAC) is associated with lower back pain, reduced bone mineral density of the spine. Vascular changes could also affect the already sparsely perfused intervertebral endplate and intervertebral disc.MethodsLumbar MRIs and lateral radiographs of patients with lower back pain were retrospectively analyzed. AAC was assessed on lateral lumbar radiographs according to the Kauppila score, with a maximum score of 24. Patients were grouped into no (AAC = 0), moderate (AAC 1 to ≤ 4), and severe AAC (AAC ≥ 5). Endplate and disc degeneration were classified according to the total endplate score (TEPS) and Pfirrmann classification. The associations between AAC and degenerative changes was analyzed with a generalized mixed model and was adjusted for age, sex, body mass index as well as diabetes mellitus, and smoking status.ResultsA total of 217 patients (47.9% female) were included in the analysis, totaling 1085 intervertebral levels. Of those, 45 (20.7%) patients had moderate, and 39 (18%) had severe AAC. The results of the generalized mixed model showed no significant association between AAC and disc degeneration (p > 0.05). In contrast, a significant positive association between AAC and the severity of TEPS (β: 0.51, 95% CI: 1.92-2.12, p = 0.004) was observed in the multivariable analysis.ConclusionsThis study demonstrates an independent association between AAC and endplate degeneration. These findings expand our knowledge about the degenerative cascade of the lumbar spine and suggest that AAC might be a modifiable risk factor for endplate changes.© 2023. The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature.

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