Influence of contralateral carotid artery occlusions on short- and long-term outcomes of carotid artery stenting: a retrospective single-center analysis and review of literature

Patients with a preexisting CCO did not show a significative increased risk of procedural adverse events after CAS both in the immediate and long-term follow-up, but on the long term they are more likely to experience restenosis. CCO condition should be considered always as a clinical manifestation of a more aggressive carotid atherosclerosis.