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Related Experiment Videos

Carotid steal syndrome: a case study

R B Schwend1, K Hambsch, L Baker

  • 1Vascular Laboratory Scripps Clinic and Research Foundation La Jolla, Ca, USA.

Journal of Neuroimaging : Official Journal of the American Society of Neuroimaging
|July 1, 1995
PubMed
Summary

Subclavian artery stenosis can cause subclavian steal syndrome, altering blood flow to the brain. Combining Doppler evaluations helps track arterial disease progression and its impact on cerebral blood flow patterns.

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Area of Science:

  • Vascular Surgery
  • Neurology
  • Diagnostic Imaging

Background:

  • Subclavian artery stenosis can lead to subclavian steal syndrome, characterized by altered pressure gradients and reversed blood flow in the vertebral artery.
  • Stenosis in the innominate or common carotid arteries can similarly affect cerebral arterial flow patterns.
  • Peripheral arterial disease evaluation may incidentally reveal asymptomatic arterial stenosis.

Observation:

  • A 59-year-old male presented with symptomatic peripheral arterial disease.
  • Incidental asymptomatic stenosis was noted in the right innominate and left proximal subclavian arteries.
  • Cerebral vascular evaluation revealed a continuous right subclavian steal and a latent steal in the right internal carotid artery.

Findings:

  • Transcranial Doppler examination identified a transient steal in the terminal right internal carotid artery.

Related Experiment Videos

  • The combination of duplex and transcranial Doppler demonstrated sequential progression of arterial disease.
  • Altered flow patterns in cerebral vasculature were observed due to subclavian and innominate artery stenosis.

    • Implications:

    • Combined Doppler evaluations provide a comprehensive assessment of cerebrovascular hemodynamics in patients with arterial stenosis.
    • This approach allows for sequential monitoring of disease progression and its functional impact.
    • Understanding these flow alterations is crucial for managing patients with complex arterial disease and preventing neurological events.