Intracranial Atherosclerotic Disease

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 inc...

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Main Authors: Maria Khan, Imama Naqvi, Asha Bansari, Ayeesha Kamran Kamal
Format: Article
Language:English
Published: Wiley 2011-01-01
Series:Stroke Research and Treatment
Online Access:http://dx.doi.org/10.4061/2011/282845
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author Maria Khan
Imama Naqvi
Asha Bansari
Ayeesha Kamran Kamal
author_facet Maria Khan
Imama Naqvi
Asha Bansari
Ayeesha Kamran Kamal
author_sort Maria Khan
collection DOAJ
description 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. Among Asians, cilostazol has shown a favorable effect on symptomatic stenosis and is of benefit in terms of fewer bleeds. Moreover, aggressive risk factor management alone and in combination with dual antiplatelets been shown to be most effective in this group of patients. Interventional trials on intracranial atherosclerotic stenosis have so far only been carried out among Caucasians and have not yielded consistent results. Since the Asian population is known to be preferentially effected, focused trials need to be performed to establish treatment modalities that are most effective in this population.
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spelling doaj-art-1ef03a0b908941bea64b0cca243d881e2025-02-03T01:26:39ZengWileyStroke Research and Treatment2042-00562011-01-01201110.4061/2011/282845282845Intracranial Atherosclerotic DiseaseMaria Khan0Imama Naqvi1Asha Bansari2Ayeesha Kamran Kamal3Fellow International Cerebrovascular Translational Clinical Research Training Program, Stroke Service, Aga Khan University Hospital, Karachi 74800, PakistanResearch Officers, Medical College, Aga Khan University Hospital, Karachi 74800, PakistanResearch Officers, Medical College, Aga Khan University Hospital, Karachi 74800, PakistanDirector Stroke Service and Vascular Fellowship Program, Section of Neurology, Department of Medicine, Aga Khan University Hospital, Karachi 74800, PakistanIntracranial 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. Among Asians, cilostazol has shown a favorable effect on symptomatic stenosis and is of benefit in terms of fewer bleeds. Moreover, aggressive risk factor management alone and in combination with dual antiplatelets been shown to be most effective in this group of patients. Interventional trials on intracranial atherosclerotic stenosis have so far only been carried out among Caucasians and have not yielded consistent results. Since the Asian population is known to be preferentially effected, focused trials need to be performed to establish treatment modalities that are most effective in this population.http://dx.doi.org/10.4061/2011/282845
spellingShingle Maria Khan
Imama Naqvi
Asha Bansari
Ayeesha Kamran Kamal
Intracranial Atherosclerotic Disease
Stroke Research and Treatment
title Intracranial Atherosclerotic Disease
title_full Intracranial Atherosclerotic Disease
title_fullStr Intracranial Atherosclerotic Disease
title_full_unstemmed Intracranial Atherosclerotic Disease
title_short Intracranial Atherosclerotic Disease
title_sort intracranial atherosclerotic disease
url http://dx.doi.org/10.4061/2011/282845
work_keys_str_mv AT mariakhan intracranialatheroscleroticdisease
AT imamanaqvi intracranialatheroscleroticdisease
AT ashabansari intracranialatheroscleroticdisease
AT ayeeshakamrankamal intracranialatheroscleroticdisease