Heterotopic ossification is related to change in disc space angle after Prestige-LP cervical disc arthroplasty

To investigate the influence of the immediate post-operative change in disc space angle relative to preoperation on heterotopic ossification (HO) occurrence following cervical disc arthroplasty (CDA) and on clinical and radiographic outcomes. Eighty-four patients with single-level Prestige-LP arthroplasty were retrospectively reviewed. HO was assessed based on McAfee classification. Radiological parameters, including index disc space angle...