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Stroke is the leading cause of disability and the third leading cause of death in the United States. More than 700,000 persons per year suffer a first-time stroke in the United States, with 20% of these individuals dying within the first year after the stroke. Ischemic stroke accounts for majority of cases of stroke and within this subgroup also, anterior circulation stroke involving the middle cerebral artery (MCA) is the commonest one. There has been no speculation so far as to why this anatomical preponderance to middle cerebral artery exists in thrombotic stroke. While the role of nitric oxide (NO) as a vasculoprotective molecule has been well established, understanding the stimulus for its release and anatomical course of middle cerebral artery can provide a good justification for the clinical finding mentioned above. This bench to bedside correlation not only explains the predilection of ischemic thrombotic stroke to MCA but also highlights the significance of NO as a vasculoprotective molecule in cerebrovascular disease which has not been emphasized earlier. Copyright © 2012 Elsevier Ltd. All rights reserved.


Sadip Pant, Abhishek Deshmukh, Pritam Neupane. Middle cerebral artery preponderance in ischemic stroke: a coincidence or fate? Medical hypotheses. 2012 Jul;79(1):63-4

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PMID: 22534486

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