Hemodynamic effects of innominate artery occlusive disease on anterior cerebral artery

Teng Yeow Tan, Li Ming Lien, Ulf Schminke, Paul Tesh, Patrick S. Reynolds, Charles H. Tegeler

Research output: Contribution to journalArticlepeer-review

5 Citations (Scopus)


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 waveforms 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.

Original languageEnglish
Pages (from-to)59-62
Number of pages4
JournalJournal of Neuroimaging
Issue number1
Publication statusPublished - 2002
Externally publishedYes


  • Alternating flow
  • Innominate artery
  • Stenosis
  • Subclavian steal

ASJC Scopus subject areas

  • Clinical Neurology
  • Radiology Nuclear Medicine and imaging


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