Hypothesis: It remains unknown if the increasing use of carotid artery stenting (CAS) has caused a change in the population-based use of carotid endarterectomy (CEA). We sought to examine national trends in carotid revascularization. Design: Retrospective cohort study. Setting: Academic research. Main Outcome Measures: We examined the frequency of CEA and CAS using Current Procedural Terminology codes for CEA, peripheral stent insertion, and cerebrovascular disease. To exclude patients who

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... went stenting of a peripheral artery other than the carotid artery, we excluded all patients with a primary diagnostic code for peripheral vascular disease.