Results of closing wedge osteotomy in the treatment of sagittal imbalance due to ankylosing spondylitis

Abstract

Objective: Ankylosing spondylitis is a systemic disease which affects the axial skeleton and may cause rigid spinal deformities in advanced cases. Clinical and radiological results of patients with ankylosing spondylitis who underwent pedicle subtraction osteotomy (PSO) were evaluated.