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Significance of paraspinal muscle quality in risk between single and multiple osteoporotic vertebral fractures

Authors
Kim, Hong JinYang, Jae HyukChang, Dong-GuneSuk, Se-IlSuh, Seung WooSong, Kwang-SupKang, Kyung-ChungKim, Young-Hoon
Issue Date
May-2023
Publisher
Springer Verlag
Keywords
Osteoporotic vertebral fractures; Paraspinal muscle quality; Fatty degeneration; Multifidus; Spine
Citation
European Spine Journal, v.32, no.5, pp 1763 - 1770
Pages
8
Indexed
SCIE
SCOPUS
Journal Title
European Spine Journal
Volume
32
Number
5
Start Page
1763
End Page
1770
URI
https://scholarworks.korea.ac.kr/kumedicine/handle/2021.sw.kumedicine/62976
DOI
10.1007/s00586-023-07670-z
ISSN
0940-6719
1432-0932
Abstract
Purpose To compare paraspinal muscle quality between patients with single and multiple osteoporotic vertebral fractures (OVFs) and evaluate the role of the paraspinal muscles in OVFs. Methods A total of 262 consecutive patients with OVFs were retrospectively analyzed in two groups: those with single OVF (n = 173) and those with multiple OVFs (n = 89). The cross-sectional area (CSA) and fatty degeneration of the paraspinal muscles were calculated from axial T2-weighted magnetic resonance imaging at the level of the L4 upper endplate by manual tracing in ImageJ software. Pearson’s correlation analysis was performed to analyze correlations of paraspinal muscle quality to multiple OVFs. Results FD in all the paraspinal muscles was significantly higher in the multiple OVF group than the single OVF group (all p < 0.005). The functional CSA (fCSA) of the paraspinal muscles was significantly lower in the multiple OVF group than the single OVF group (all Ps < 0.001), except for the erector spine (p = 0.304). The Pearson’s correlation analysis showed significant positive inter-correlations for the fCSAs of all the paraspinal muscles and the occurrence of multiple OVFs. Conclusions The pure muscle volumes of the multifidus, psoas major, and quadratus lumborum were lower in patients with multiple OVFs than in those with a single OVF. Furthermore, the inter-correlation among all the paraspinal muscles indicate that the muscle-bone crosstalk profoundly existed in vertebral fracture cascade. Therefore, special attention to paraspinal muscle quality is needed to prevent progression to multiple OVFs.
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Yang, Jae hyuk
Anam Hospital (Department of Orthopedic Surgery, Anam Hospital)
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