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To the Editor A corollary to the recommendation for anticoagulant persistence1 is a recognition that the time is long overdue for inclusion of evaluation of the extracranial carotid artery for evidence of high-grade (ie >50% occlusion) carotid artery stenosis (CAS). The following is the rationale for the latter recommendation:
Among patients aged >70, high-grade CAS has a prevalence of 12% among men and 11% among women.2
Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.
Competing interests None declared.
Patient and public involvement Patients and/or the public were not involved in the design, or conduct, or reporting, or dissemination plans of this research.
Patient consent for publication Not required.
Provenance and peer review Commissioned; internally peer reviewed.
Author note Identification of the coexistence of high-grade carotid artery stenosis and atrial fibrillation generates an opportunity to implement measures that might mitigate the risk of subsequent occurrence of disabling stroke.
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