SACCULAR (BERRY) ANEURYSM

• Most commonly at branch point between anterior and middle cerebral arteries; caused by a defect in the vessel wall
• Aneurysms are present in 5% of adults (25% are multiple, 20% are bilateral)
• Only 12/100,000 rupture per yr; 30% mortality within the first 24 hr; 60% within the first 30 days

主動脈剝離計算流體力學數值模擬研究：現狀與進展.pdf