Incidence and Time Course of Adjacent Segment Disease After Anterior Cervical Fusion: A Multimodal Assessment in 400 Patients.
STUDY DESIGN Retrospective cohort study. OBJECTIVE To evaluate the incidence and time course of adjacent segment disease (ASD) after anterior cervical fusion (ACF) using radiographic, MRI, clinical, and reoperation endpoints. SUMMARY OF BACKGROUND DATA ASD is a recognized concern after ACF, but reported rates vary...