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Asymmetry of the cross-sectional area of paravertebral and psoas muscle in patients with degenerative scoliosis

Cited 42 time in Web of Science Cited 42 time in Scopus
Issue Date
2013-06-01
Publisher
Springer-Verlag
Citation
European Spine Journal Vol.22 No.6, pp. 1332-1338
Keywords
의약학Degenerative scoliosisPsoasMultifidusErector spinaeParavertebral muscleCross-sectional areaFatty degeneration
Abstract
PURPOSE: This study was undertaken to assess the change of psoas and paravertebral muscles in patients with degenerative scoliosis.METHODS: Eighty-five patients with degenerative scoliosis were evaluated with simple radiography for the location and direction of the apex of scoliosis, coronal Cobb's angle, rotational deformity and lumbar lordosis, and with magnetic resonance imaging scan at the apex level of each patient, the cross-sectional area (CSA) and the fatty infiltration rate (FI) of bilateral paravertebral and psoas muscles were measured and the values of convex and concave side were compared.RESULTS: Fifty-three patients had apex of curves on the left side and thirty-two patients on the right. The mean Cobb's angle was 17.9°. The difference index of CSA (CDI) of psoas and multifidus muscle at apex of curvature level was significantly larger in convex side rather than that in concave side (by 6.3 and 8.4 % with P = 0.019 and 0.000, respectively). FI of each muscle showed no significant difference.CONCLUSIONS: Hypertrophy of the muscles on the convex side is suggested as the explanation of this asymmetry rather than atrophy of the muscles on the concave side as muscle atrophy is known to be associated with increased fatty infiltration.
ISSN
0940-6719(Print)
1432-0932(Online)
Language
English
URI
https://hdl.handle.net/10371/83271
DOI
https://doi.org/10.1007/s00586-013-2740-6
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College of Medicine/School of Medicine (의과대학/대학원)Orthopedic Surgery (정형외과학전공)Journal Papers (저널논문_정형외과학전공)
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