Abstract
Ankylosing spondylitis (AS) is a kind of chronic inflammatory disease, which usually results in spinal deformity. The feature of this deformity is a combination of severe thoracic kyphosis and flattening of the lumbar lordosis, accompanied with the head and neck thrust forward. As a consequence, patient’s truncal center of the body shifts downward and forward. To maintain the sagittal balance, the patient extensions hips, flexes knees, and plantar flexes ankles. AS patients cannot move the other spinal segment compensate. Patients in sagittal imbalance condition are hard to walk or stand erect without overwork of musculature. The compromised position leads to muscle fatigue and activity-related pain, restricts activities of daily living, and causes intra-abdominal complications [1–3]. The goal of surgical correction of these patients is to restore an optimal sagittal balance and retrieve spinal alignment and horizontal vision for obtaining satisfactory clinical results besides appearance [4–6].
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Zheng, G., Zhang, Y., Song, D., Wang, Y. (2019). Classification and Surgical Decision-Making for Ankylosing Spondylitis Kyphosis. In: Wang, Y. (eds) Surgical Treatment of Ankylosing Spondylitis Deformity . Springer, Singapore. https://doi.org/10.1007/978-981-13-6427-3_5
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DOI: https://doi.org/10.1007/978-981-13-6427-3_5
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