Circle of Willis Collateral Flow Investigated by Magnetic Resonance Angiography | Zendy

Monique J. Hartkamp | Zendy; Jeroen van der Grond | Zendy; Kaspar J. van Everdingen | Zendy; Berend Hillen | Zendy; Willem P.Th.M. Mali | Zendy

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Circle of Willis Collateral Flow Investigated by Magnetic Resonance Angiography

Author(s) -

Monique J. Hartkamp,

Jeroen van der Grond,

Kaspar J. van Everdingen,

Berend Hillen,

Willem P.Th.M. Mali

Publication year - 1999

Publication title -

stroke

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 3.397

H-Index - 319

eISSN - 1524-4628

pISSN - 0039-2499

DOI - 10.1161/01.str.30.12.2671

Subject(s) - medicine , circle of willis , internal carotid artery , posterior communicating artery , magnetic resonance angiography , magnetic resonance imaging , occlusion , angiography , anterior communicating artery , anterior cerebral artery , posterior cerebral artery , stenosis , radiology , collateral circulation , cerebral arteries , cardiology , middle cerebral artery , ischemia , aneurysm

The circle of Willis (CW) is considered an important collateral pathway in maintaining adequate cerebral blood flow in patients with internal carotid artery (ICA) obstruction. We aimed to investigate the anatomic variation of the CW in patients with severe symptomatic carotid obstructive disease and to analyze diameter changes of its components in relation to varying grades of ICA obstruction and in relation to the presence or absence of (retrograde) collateral flow.

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