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KMID : 0361620230580040279
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Journal of the Korean Orthopaedic Association
2023 Volume.58 No. 4 p.279 ~ p.287
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Computer Simulation for Surgical Correction of Kyphotic Deformity in Ankylosing Spondylitis: A Narrative Review
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Choi Sung-Hoon
Kim Min-Woo
Park Ye-Soo
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Abstract
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Ankylosing spondylitis is a chronic systemic rheumatic disease that mainly affects the sacroiliac joints and the skeleton. When advanced, it results in cervical and thoracolumbar kyphosis and ankylosis. In ankylosing spondylitis, the main purpose of deformity correction surgery is to deter the progressive spasticity of the spine and to restore the alignment in the coronal and sagittal planes. Successful corrective surgery enables patients with ankylosing spondylitis to improve disability, pain, quality of life, as well as lung function. For successful deformity correction surgery in ankylosing spondylitis patients, a detailed preoperative evaluation of underlying medical diseases and complications related to anesthesia is essential. Also, the use of computer-assisted simulation programs to calculate the level of osteotomy correction and the operator's experience for precise planning of the level of correction can be beneficial. A computer simulation program for preoperative preparation for successful surgery of kyphosis due to ankylosing spondylitis, analysis of spinal sagittal alignment factors and compensation mechanisms, and determination of correction angles are introduced, and representative open and closed wedge osteotomy techniques are described.
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KEYWORD
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ankylosing spondylitis, kyphosis, computer simulation, spine, corrective surgery
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