Incidence and outcomes of posterior circulation stroke following traumatic vertebral artery injury: A 6-year single-center retrospective cohort study

POCS occurred in 30% of patients who sustained a VAI in this study. It carried significant morbidity and mortality for the patients who suffered this potentially devastating complication. Clinicians involved in the care of patients with cervical spine trauma should be aware of the risk factors for VAI and ensure to be suspicious of POCS in patients who have proven VAI.