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  • Title: Hemodynamic effects of innominate artery occlusive disease on anterior cerebral artery.
    Author: Tan TY, Lien LM, Schminke U, Tesh P, Reynolds PS, Tegeler CH.
    Journal: J Neuroimaging; 2002 Jan; 12(1):59-62. PubMed ID: 11826600.
    Abstract:
    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.
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