patients with asymptomatic carotid artery stenosis with MRI-detected intraplaque hemorrhage
Conditions
Interventions
None listed
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Patients with asymptomatic atherosclerotic carotid artery stenosis with area stenosis of more than 60% as diagnosed by carotid artery ultrasonography, and who will be undergoing medical treatment. 2. Patients who have undergone MRI during the course of treatment, and in whom MRI plaque assessment has revealed the presence of IPH. 3. Patients who have provided sufficiently informed consent to participate in the study. 4. Patients who are capable of attending outpatient appointments and are expected to live more than 5 years after enrollment.
Exclusion criteria
Exclusion criteria: 1. Patients who cannot undergo MRI 2. Patients who have previously undergone or are currently receiving radiotherapy to the head and neck region. 3. Patients who have undergone CEA or carotid artery stenting for the carotid artery stenosis concerned. 4. Patients judged by an investigator or subinvestigator to be ineligible for any other reason.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| cerebral infarction, transient ischemic attack, or amaurosis fugax resulting from carotid artery stenosis | — |
Secondary
| Measure | Time frame |
|---|---|
| any cerebral infarction or any other condition that in the judgment of the attending physician requires revascularization (endarterectomy or stenting) | — |
Countries
Japan
Contacts
Kyoto University Graduate School of Medicine neurosurgery