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KMID : 0895820160260010095
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Journal of Oriental Rehabilitation Medicine
2016 Volume.26 No. 1 p.95 ~ p.102
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The Correlation between Cross-sectional Area of Lumbar Paraspinal Muscles and Sponylolisthesis; A Retrospective Study
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Park Hye-Sung
Kim Je-In
Kim Koh-Woon
Cho Jae-Heung
Song Mi-Yeon
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Abstract
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Objectives : To investigate correlation between slip percentage (SP) of spondylolisthesis and cross-sectional area (CSA) of lumbar paraspinal muscles; psoas major (PM), multifidus (MU) and erector spinae (ES).
Methods : A retrospective study was carried out in 120 spondylolisthesis patients who had visited the Spine center of Kyung Hee University Hospital at Gangdong and had taken lumbar MRI. CSA of lumbar paraspinal muscles was measured from axial T2-weighted MRI and divided by CSA of vertebral body to avoid weight’s influence. SP was also measured from sagittal MRI.
Results : SP increase has significant correlation with decreased CSA-MU (r=0.37, p ＜0.01) and increased CSA-ES (r=0.19, p＜0.05). There was no significant correlation between SP and CSA-PM.
Conclusions : MU atrophy and ES hypertrophy have significant correlation with SP of spondylolisthesis. CSA of lumbar paraspinal muscles can be a risk factor of progression of spondylolisthesis and compensation for the instability. (
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KEYWORD
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Paraspinal Muscles, Psoas Muscles, Spondylolisthesis, Muscular Atrophy, Magnetic Resonance Imaging
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