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Paraspinal muscle volume in patients with Scheuermann's Kyphosis

Publication at First Faculty of Medicine, Third Faculty of Medicine |
2016

Abstract

To measure the cross-sectional area (CSA) of para-spinal muscles in Scheuermann's kyphosis patients. Preoperative MRI images of 16 Scheuermann's kyphosis patients were analysed and compared to 16 patients with normal MRI images (control group).

The CSAs were measured at L3-4 and L4-5. Both groups showed similar demographics and patient characteristics.

The multifidus muscles CSA were found to be significantly smaller at L3/4 level in Scheuermann's kyphosis patients (p = 0.022 on the left and p = 0.016 on the right side compared to control group). There was no significant change in multifidus CSA found at L4/5.

The mean CSA of the extensor spinae muscles group were significantly smaller at all levels in Scheuermann's kyphosis patients : p = 0.001 bilaterally at L3/4 and p = 0.015 right side and p = 0.009 left side at L4/5 level. This study shows that patients with Scheuermann's kyphosis deformity have significantly smaller CSA of lumbar multifidus and extensor spinae muscles.