Extracranial Carotid Artery Disease: Risk Factors and Outcomes in Patients With Acute Critical Hemispheric Ischemic Stroke

Journal of Ultrasound in Medicine : Official Journal of the American Institute of Ultrasound in Medicine
Siew-Na LimShinn-Kuang Lin

Abstract

The prevalence of carotid disease in stroke patients has been underestimated because most stroke patients who receive carotid sonography have already survived the acute event. Little is known about the extracranial carotid arteries of patients with acute stroke who need intensive care. This study reviewed color-coded carotid duplex sonographic examinations of the extracranial carotid arteries of patients with acute critical hemispheric ischemic stroke. We retrospectively reviewed 30 consecutive patients who had acute critical hemispheric ischemic stroke and received color-coded carotid duplex sonography in the intensive care unit. The presence of occlusive carotid artery disease was correlated with clinical features, vascular risk factors, and outcomes. Overall, 57% of the patients (17 of 30) had an occlusive internal carotid artery, and 44% of patients with atrial fibrillation (7 of 16) also had occlusive carotid disease. Eventually, 73% of the patients (21 of 30) had poor outcomes, and 57% (17 of 30) died. The contributing factors to a poor outcome were older age, an initial conscious disturbance, endotracheal intubation, and occlusive carotid disease, with the most significant factor being older age (P = .022; odds ratio, 27...Continue Reading

References

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