TOAST I Large-artery Atherosclerosis
大動脈(large arteries)因為粥狀硬化(atherosclerosis)而逐漸狹窄乃至阻塞
(progressive narrowing to complete arterial occlusion)
與brain相關的large arteries:
Large arteries，就是aorta 往上流的動脈 (supra-aortic large arteries)，包含
顱內主要動脈: Intracranial main arteries , 即 MCA,ACA,PCA, PICA, basilar artery, SCA, AICA, PICA.
顱外動脈: Extracranial arteries, 即 CCA, ICA, vertebral arteries, bilateral subclavian arteries.
其引起ischemic infarction的機轉(mechanisms)包含 :
Mechanism 1: progressive narrowing to complete arterial occlusion (symptoms vary depending on the quality of collateral circulation. (from hemodynamic border zone infarctions, to no any infarction)
Mechanism 2: thromboembolism
Mechanism 3: combination of both mechanisms
----------------(Stroke-manual.com)
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- 位置
-
- 資料夾名稱
- TOAST classifcation
- 上傳者
- 沈戊忠
- 單位
- 醫學影像部 (1R60)
- 建立
- 2025-09-06 11:57:53
- 最近修訂
- 2026-07-28 11:53:15