Prognostic Value of Carotid CEUS in Acute Ischemic Stroke Patients

Recruiting

Phase N/A Results N/A

Eligibility Criteria

Inclusion Criteria

1. Patients older than 19 years presenting acute ischemic stroke.
2. Compatible neurologic symptom within 14 days
3. Compatible MRI finding (one or more positive DWI lesions in the territory of unilateral ICA: ACA or MCA territory) - interpretable MRI image obtained in SNUBH or outside hospital
4. Etiology of acute ischemic stroke: except cardioembolic stroke (Atrial fibrillation) and other determined etiology
5. Ipsilateral extracranial carotid artery stenosis on MRA (CE-MRA), CTA or Doppler ultrasound

Exclusion Criteria

1. History of ipsilateral carotid stent or endarterectomy
2. Carotid intervention during hospital stay
3. Contraindication to ultrasound contrast agent (SonoVue) A. Right to left, bi-directional, or transient right to left cardiac shunts B. History of hypersensitivity reactions to sulfur hexafluoride lipid microsphere components or any ultrasound contrast agent C. Pregnant or lactating woman D. Unstable cardiopulmonary conditions (acute myocardial infarction, acute coronary artery syndromes, worsening congestive heart failure, or serious ventricular arrhythmias)
4. Expected life span less than 12 months