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Intracranial Atherosclerotic Disease, Maria Khan, Imama Naqvi, Asha Bansari, Ayeesha Kamran Kamal
Intracranial Atherosclerotic Disease, Maria Khan, Imama Naqvi, Asha Bansari, Ayeesha Kamran Kamal
Department of Medicine
Intracranial atherosclerotic disease (ICAD) is the most common proximate mechanism of ischemic stroke worldwide. Approximately half of those affected are Asians. For diagnosis of ICAD, intra-arterial angiography is the gold standard to identify extent of stenosis. However, noninvasive techniques including transcranial ultrasound and MRA are now emerging as reliable modalities to exclude moderate to severe (50%-99%) stenosis. Little is known about measures for primary prevention of the disease. In terms of secondary prevention of stroke due to intracranial atherosclerotic stenosis, aspirin continues to be the preferred antiplatelet agent although clopidogrel along with aspirin has shown promise in the acute phase. …