Transcription of The Clinical Relevance of Vertebral Artery Hypoplasia
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The Clinical Relevance of Vertebral Artery Hypoplasia
Review Article 1. The Clinical Relevance of Vertebral Artery Hypoplasia Yu-Ming Chuang1,2,3, Lung Chan1, Hung-Ming Wu1, Siu-Pak Lee1, Yiu-Tong Chu1. Abstract Congenital Vertebral Artery (VA) Hypoplasia is an uncommon embryonic variation of posterior circulation. The frequency of this congenital variation was reported to be 2-6% from autopsy and angiograms. Is it a congenital risk factor of ischemic stroke? In this review, we gave an overview of the literature concerning Vertebral Artery Hypoplasia . VA Hypoplasia served as an independent factor of a reduction of the posterior circulation blood flow velocity. VA Hypoplasia can play a negative role in cases of occlusion of a major brain vessel since it limits the potential of compensatory blood circulation.
1 Acta Neurologica Taiwanica Vol 21 No 1 March 2012 Abstract Congenital vertebral artery (VA) hypoplasia is an uncommon embryonic variation of posterior circulation.
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