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Erschienen in: Skeletal Radiology 5/2022

02.10.2021 | Scientific Article

Traumatic vertebra and endplate fractures promote adjacent disc degeneration: evidence from a clinical MR follow-up study

verfasst von: Xuan Lu, Zhiwei Zhu, Jianjiang Pan, Zhiyun Feng, Xiaoqiang Lv, Michele C. Battié, Yue Wang

Erschienen in: Skeletal Radiology | Ausgabe 5/2022

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Abstract

Objectives

The integrity of endplate is important for maintaining the health of adjacent disc and trabeculae. Yet, pathological impacts of traumatic vertebra and endplate fractures were less studied using clinical approaches. This study aims to investigate their effects on the development of adjacent disc degeneration, segmental kyphosis, Modic changes (MCs), and high-intensity zones (HIZs).

Materials and methods

Magnetic resonance (MR) images of patients with acute traumatic vertebral compression fractures (T11-L5) were studied. On MR images, endplate fractures were evaluated as present or absent. Disc signal, height, bulging area, sagittal Cobb angle, MCs, and HIZs were measured on baseline and follow-up MR images to study the changes of the disc in relation to vertebra fractures and endplate fractures.

Results

Ninety-seven patients were followed up for 15.4 ± 14.0 months. There were 123 fractured vertebrae, including 79 (64.2%) with endplate fractures and 44 (35.8%) without. Both the adjacent and control discs decreased in signal and height over time (p < 0.001), and the disc adjacent to vertebral fractures had greater signal and height loss than the control disc (p < 0.05). In the presence of endplate fractures, the adjacent discs had greater signal decrease in follow-up (p < 0.05), as compared to those without endplate fractures. Sagittal Cobb angle significantly increased in segments with endplate fractures (p < 0.05). Vertebra fractures were associated with new occurrence of MCs in the fractured vertebra (p < 0.001) but not HIZs in the adjacent disc.

Conclusions

Traumatic vertebral fractures were associated with accelerated adjacent disc degeneration, which appears to be further promoted by concomitant endplate fractures. Endplate fractures were associated with progression of segmental kyphosis.
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Metadaten
Titel
Traumatic vertebra and endplate fractures promote adjacent disc degeneration: evidence from a clinical MR follow-up study
verfasst von
Xuan Lu
Zhiwei Zhu
Jianjiang Pan
Zhiyun Feng
Xiaoqiang Lv
Michele C. Battié
Yue Wang
Publikationsdatum
02.10.2021
Verlag
Springer Berlin Heidelberg
Erschienen in
Skeletal Radiology / Ausgabe 5/2022
Print ISSN: 0364-2348
Elektronische ISSN: 1432-2161
DOI
https://doi.org/10.1007/s00256-021-03846-0

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