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Vertebrobasilar ischaemia 

Vertebrobasilar ischaemia
Chapter:
Vertebrobasilar ischaemia
Author(s):

Hugh Markus

DOI:
10.1093/med/9780199658220.003.0042
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date: 18 October 2019

Posterior circulation stroke account for 20% of all stroke but is less well understood than anterior circulation stroke. It presents challenges in diagnosis and optimal treatment strategies are less well established. This chapter explores vertebrobasilar ischaemia, including anatomy of the vertebrobasilar circulation, causes of vertebrobasilar stroke, clinical presentation and difficulties in diagnosis, and investigation. It also covers more recent data on recurrent stroke risk after vertebrobasilar transient ischaemic attack (TIA) and stroke, which shows that the presence of atherosclerotic stenosis is associated with a high risk of early recurrent stroke, with a similar temporal profile to carotid stenosis, and optimal management. of vertebral stenosis.

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