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Innominate artery occlusion: a case study.

Mohamed Nashnoush1, Hosna Sahak2, Yoojin Shin3

  • 1School of Health Sciences, Dalhousie University, Halifax, Canada.

Journal of Ultrasonography
|February 29, 2024
PubMed
Summary
This summary is machine-generated.

This case report details diagnosing innominate artery occlusion in an asymptomatic patient using carotid duplex and hemodynamic assessments. Key findings highlight imaging and physiological methods for evaluating this rare cerebrovascular condition.

Keywords:
CTbrachiocephalic artery occlusioncarotid ultrasoundinnominate artery occlusionsubclavian steal syndrome

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Area of Science:

  • Vascular Surgery
  • Neurology
  • Diagnostic Imaging

Background:

  • Innominate artery occlusion (IAO) is a rare condition potentially causing cerebrovascular events.
  • Early diagnosis and assessment of collateralization are crucial for management.
  • This report focuses on an asymptomatic patient with IAO.

Observation:

  • A 64-year-old male with a history of cardiovascular risk factors presented for carotid ultrasound.
  • The patient was asymptomatic despite the presence of innominate artery occlusion.
  • Carotid duplex and hemodynamic patterns were evaluated.

Findings:

  • Carotid duplex imaging revealed specific hemodynamic patterns indicative of IAO.
  • Transient end-diastolic flow reversal and tardus parvus waveforms were noted.
  • Brachial pressures and transcranial Doppler supported the diagnosis and assessed disease extent.

Implications:

  • Comprehensive assessment using imaging and physiological methods is vital for IAO diagnosis.
  • Understanding hemodynamic patterns aids in evaluating collateralization before intervention.
  • This case underscores the importance of thorough vascular assessment even in asymptomatic individuals.