Hip involvement negatively impact the postoperative radiographic outcomes after lumbar pedicle subtraction osteotomy in ankylosing spondylitis patients with thoracolumbar kyphosis-a retrospective study
Abstract:Background: Lumbar pedicle subtraction osteotomy (PSO) can significantly correct thoracolumbar kyphosis and relieve compensatory backward pelvic tilt (PT). However, hip involvement for some advanced ankylosing spondylitis (AS) patients can restrict the rotation of the pelvis around the femoral heads, which may affect the postoperative radiographic outcomes after lumbar PSO. Objective: To identify whether hip involvement negatively impacts the postoperative radiographic outcomes after lumbar PSO in AS patients … Show more
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