Lumbar Disc Geometry Affects the Risk for Rod Fracture in Adult Spinal Deformity (ASD) Surgery

BACKGROUND CONTEXT: Rod fracture (RF) has significant consequences for patients, including pain, loss of correction, and revision surgery. Risk factors associated with RF include previous spine surgery, insufficient sagittal vertical axis (SVA) correction and pedicle subtraction osteotomy (PSO). Increased lumbar disc geometry, regardless of PSO, SVA or previous surgery, may be a risk factor affecting RF rates.

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