Why the study?
What is the prevalence and clinical relevance of high-grade carotid stenosis in ischemic stroke patients with nonvalvular atrial fibrillation?
What is the prevalence and clinical relevance of high-grade carotid stenosis in ischemic stroke patients with nonvalvular atrial fibrillation?
High-grade carotid stenosis is present in about one-quarter of ischemic stroke patients with NVAF and is associated with worse clinical outcomes and more cortical infarctions.
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Should not yet change practice; leaves open whether carotid stenosis modifies NVAF stroke outcomes.
Chang et al. (2002) studied this question.
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