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Case Reports
Hemodynamic effects of innominate artery occlusive disease on anterior cerebral artery.
- Teng-Yeow Tan, Li-Ming Lien, Ulf Schminke, Paul Tesh, Patrick S Reynolds, and Charles H Tegeler.
- Department of Neurology, Chang Gung Memorial Hospital, 123 Ta-Pei Road, Niao-Sung Hsiang, Kaohsiung Hsien, Taiwan. tengyeowtan@yahoo.com
- J Neuroimaging. 2002 Jan 1; 12 (1): 59-62.
AbstractStenoses 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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