| Budget Amount *help |
¥4,680,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥1,080,000)
Fiscal Year 2018: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2017: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2016: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
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| Outline of Final Research Achievements |
Our observational study of intracranial artery dissection (IAD) showed that the identification of intramural hematoma of dissociated intracranial artery by high-resolution 3D T1-weighted imaging was very useful for diagnosing IAD. Follow-up evaluation of blood flow velocity by carotid ultrasound was useful to identify the appearance and progression of intracranial vertebral artery stenosis. In IAD patients with ischemia stroke or headache alone, the clinical course was generally favorable regardless of antithrombotic treatment.
We enrolled 50 patients (500 cases in total) to an international observational study of IAD. We plan to show the pathophysiology and clinical course of IAD, which has been mostly reported by East Asian countries including Japan, and clarify racial differences.
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