Vertebral artery hypoplasia(VAH)may lead changes of hemodynamic status in the posterior circulation,promote occurrence of intracranial atherosclerotic disease and formation of thrombi,hence result in hypoperfusion and infarction in posterior circulation cerebral tissue,which is potentially associated with posterior circulation cerebral vascular degeneration,vertebral artery dissection,cardiac disease and so on,also is a risk factor for posterior circulation infarction(PCI).The progresses of imaging researches revealing the association between VAH and PCI were reviewed in this article.
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