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Hemodynamic Effects of Innominate Artery Occlusive Disease on Anterior Cerebral Artery
Author(s) -
Tan TengYeow,
Lien LiMing,
Schminke Ulf,
Tesh Paul,
Reynolds Patrick S.,
Tegeler Charles H.
Publication year - 2002
Publication title -
journal of neuroimaging
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.822
H-Index - 64
eISSN - 1552-6569
pISSN - 1051-2284
DOI - 10.1111/j.1552-6569.2002.tb00091.x
Subject(s) - medicine , transcranial doppler , stenosis , cardiology , hemodynamics , magnetic resonance angiography , cerebral arteries , anterior cerebral artery , magnetic resonance imaging , radiology , duplex scanning , angiography , subclavian artery , middle cerebral artery , ischemia
Stenoses of the innominate artery (IA) may affect flow conditions in the carotid arteries. However, alternating flow in ipsilateral anterior cerebral artery (ACA) due to IA stenosis is extremely rare. A 49‐year‐old woman who was evaluated for symptomatic cerebrovascular disease presented with right latent subclavian and right carotid system steal. Transcranial Doppler examination displayed systolic deceleration wave‐forms in the right terminal internal carotid artery and alternating flow in the right ACA. Magnetic resonance angiography demonstrated tight stenosis of the right IA. For a thorough study of the hemodynamic effects of IA stenosis, a combination of duplex and transcranial Doppler examination is required.