Why the study?
To establish similarities and differences in ultrasound characteristics of extracranial brachiocephalic atherosclerotic lesions in patients with ischemic anterior versus posterior circulation stroke.
Are there differences in extracranial brachiocephalic atherosclerotic lesions on ultrasound between patients with anterior (carotid) and posterior (vertebrobasilar) circulation ischemic stroke?
Are there differences in extracranial brachiocephalic atherosclerotic lesions on ultrasound between patients with anterior (carotid) and posterior (vertebrobasilar) circulation ischemic stroke?
Patients with carotid territory ischemic stroke have a higher prevalence and severity of internal carotid artery atherosclerosis compared to those with vertebrobasilar stroke, although the frequency of high-risk plaque morphology is similar.
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Should not yet alter carotid imaging by stroke territory; leaves open whether echolucency or stenosis burden better predicts infarct location.
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Vishnyakova et al. (2021) studied this question.
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