Innominate artery occlusion: a case study

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.