Key result
In patients with ischemic stroke, the anterior cerebral artery was the most common site of intracranial stenosis in those without carotid stenosis, whereas the middle cerebral artery was the most common site in those with carotid stenosis.
Why the study?
Does the presence of carotid stenosis influence the site of intracranial stenosis in patients with ischemic stroke?
Cross-Sectional (n=38)
Yes
Does the presence of carotid stenosis influence the site of intracranial stenosis in patients with ischemic stroke?
Answers are grounded in this paper and cite their sources.
The presence of carotid stenosis in ischemic stroke patients is associated with a different pattern of intracranial stenosis, predominantly affecting the middle cerebral artery.
INTRODUCTION: Carotid stenosis is a major risk factor for ischemic stroke. However, the effect of carotid stenosis on the site of stroke is still under investigation. AIMS: This study aimed to elucidate how the presence of carotid stenosis influenced the pattern of stroke and also how it interacted with other risk factors for stroke. MATERIALS AND METHODS: Thirty-eight patients with ischemic stroke were included in this study and were investigated with carotid artery Doppler and magnetic resonance angiography for carotid stenosis and intracranial stenosis in the circle of Willis, respectively. Other known risk factors of stroke were also studied in and compared between the subgroups with and without carotid stenosis. RESULTS: In patients without carotid stenosis, anterior cerebral artery was the commonest site of stenosis. In patients with carotid stenosis, middle cerebral artery was the commonest site of stenosis. Overall, middle cerebral artery was the commonest territory of stroke. Patients with hypertension, diabetes and history of smoking had preferential stenosis of the anterior cerebral artery.
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Chatterjee et al. (2015) conducted a cross-sectional in Ischemic stroke (n=38). Carotid stenosis vs. Absence of carotid stenosis was evaluated on Site of intracranial stenosis. In patients with ischemic stroke, the anterior cerebral artery was the most common site of intracranial stenosis in those without carotid stenosis, whereas the middle cerebral artery was the most common site in those with carotid stenosis.
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